Note: Descriptions are shown in the official language in which they were submitted.
02-05-1992 10:08 203 527 5029 CHILTON ALIX VANKIRK P.04~48
", ~
2a~5~
~o~ ~XY~LINI~ BAlrl5~Y ~Yg~ll~l i
ISO~ A88~y T~ rO~
~okgxound o~ ~cho Y~v~utlon
~ hl~ inv~nt~orl r0late~ g~nexally to oA~e~y sy~3~5 ~ncl
d~Yices for en~3Uring the sa~ety of Wor~cers whlle po~sitionecl on a
roo~ . More particularly, the pre~on~ lnven~ion rel~tss g~nerally
to ~a~ety sys~m~ Rnd device~ for p~eventing roo~e:rE~, ;
con~truction work~r~ ~r th~ liXo P~m ac¢ident~lly ~allLng ~rom a
pl~hed roo~. j
A nu~ o~ de~ 4~ hav~ baen om~loy~d ~o pre~nt roofer~,
conBtrUC~tiC~n workers ~nd other lndividu~l~ from ~ aentally
f~lling o~ ~oo~ ~uring Gonstruotion~ maln~RnarSCe clr ~her
ac~l~ritie-. Pltched roo~s which have ~igni~icarlt pl~hed
portlon~ or ~ev~e pl~ch an~lQ~ m~y pC~8~E! very h~z~r~ous s~leks to
th~ safety o~ ~ work~r. ~he dang~r potonkial a~soc~ ed with a
pitched rao~ working ~n~ lronment ha~ b~oom~ wldsly :~c~gniæ~d,
an~ ther~a ha~ ~en an inGra~ed regula~ry ~ocus cn I ~n~uring
~a~ety ~or pltçh~d ~o~ ~ructure~
T.,i~elin~ Whl~h may be ratrEIctable and various~Pety r~lls
ha~ collv~ntionally b¢~n ~mploy~d ~s sa~ety d~vicesl in conn~ction
wi~h 'ch~ ~QT~strua~lon ~n~ main~enanc:~3 a~ pi~oh~ ro~ . In
;
.. ..... .
02-05-1992 10:09 203 527 5029 CHILTON ALIX VANKIRK P.05/48
, , . , ~ ~ `; .
. ' .
Z ~ J"~
conventional 8a~3ty ~yst~m~, the lifeline~ ~re ri~ ly anchor~d
to a f~xed struc~ur~ and oonnect with a ~ety balt: ~o~n by the
work~r. The extend~bl~ leng~h o~ th~ ellne i9 ~ eo~ively
restricted so ~h~ an accidental fall or rapid ~h~n~e oS posl~lon
o~ ~he wor~er i~ pr~ven~ed by autom~tlc loakin~ o~ bhe po~ition
o~ the li~elin~ or ~he poEIition o~ an auxlliary lil.~lin~ carried
by a prinalpal ~ety c~ble. One o~ the crltic~1 p~Dblem~ which
1~ enaount~r~d ln connection wi~h ~uah safety ~y~t~m~ is
anchoring ~e safety d~vice to ~he roo~ ~trua~ure E~d that ~e
~a~ety devlce remain~ ~nchore~ should i~ be 8UbjeGt ~to ~evere
loa~in~ due to an accld~ntAl ~all or u~ge in an en~qrge~y
~ltuAtion. I
Bu~axy ~t th~ ~nY~nti~n
Bri~ly ~a~ed, the lnv~n~ion in a pre~r~ed ~'~r~ i~ a
~a~ety ~y~t~m whi~h i8 esp~clally adaptable fo~ U~ !in qonnection
wit~ 8 pitched roo~. The syst~m ~mpl4ys a lifellne! l~hich iB
recei~sbls in a çasing iand i~ extendabl~ and ~etrac:~ble 80 as ~o
pr~ido a variabl~ l~ng~h P~om ~n anchoring poa~tio~ a~ th~
requiremen~ o~ ~ gi~en ~ob may dictat~. T~ may be a
~el~-contain~d ~ntri~ugi~l lo~ln~rewinding ~y~teml~hi~h ~mploys
~ ~kainles~ 8t~el ~ . The li~eline i8 mounted in ~n uprigh~
brack~ embly ~r di~po~iti~n generslly ~ov~ atlth~ p~ak o~
~he ~4~ The li~ellne houslng i~ ured t~ th~ ket
m~31y.
.
02-05-1992 10:09 203 527 5029 CHILTON ALIX VANKIRK . P.06/4a
A frame or ~ho~ r~celve~ th~ eline hou~ing gn th~ th~
llne o~tl~t ~rom the houslng 1~ or~nted upw~rdly ~r~m the roo~
peaX. Shouldsr~ extend from ~he frAml3 ~n~l are ~ri~n~t~d fo~
surPaGe-to-~urfEIce engAgement on opp~ inçJ ~ide~ o~ the pltched
roo~ . Anchor~ a~e ~ n~artad thro~gh 4paning~ o~ the ~shoul~ers and
ar~ 6ecured t~ th~ r~o~ ~or an4horing the brac:lcet a~embly and
hence th~ lifeli~e to the roo~. A eprlng is moun~e~ proximats
the outpu~ po~tion of th~ housing surrounding the proximal
p~rtlons o~ the ex~endable. ll~elinQ ~:o a~ ~ ensu:te! rtha~ the
line 15 E~aced above the roof. A 140p or ~ara~lner at the
end o~ the li~line at~ache6 to a ~a~ety beIt worn b~ ~he wor~cer.
An ~nc5hor bol~ ~or ~ec:uring ~he braclcet a~6emb~y ~o ~he roo~
oompriE~3 a generally J-sh~p~d mem~cr cc~npr~Rlng an j~lon~ated
~h~n~ having ~ thxeade~ Bur~ace and a hook whlch en~es the
under~ide of a roo~ raft~r. A plate havin~ an opes~ mounted
the shan~ ~y in~erting ~he shank through th~ openlng. A nut
1~ thread~bly engageabl~ w~th th~ thread~d ~rf~ce ~ ~he shank
for l~ngitudi~al displaceman~ ther~al~ng UpO~ appllc~tion o~ a
~orque to th~ nut. The under~id~ o~ th~ n~t i3 en~ag~a~l~
agaln6t th~ top o~ the plate. The nut comprlses a ~r o~ arm~
ext~ndlng ~en~ra~ly tr~n~v~sely there~o ~or torqui~g ~he nut.
~he upper por~ion o~ ~h~ anchor texminate~ in an ey~. Variou~
cable~ and li~eline~ may be oonnected ~h~ough the ~ye.
The anch4r i~ dimen~i~ned ~o that it may be mo~n~e~ in place
by ins~rtlng th~ tal hoo~ po~tion through ~n 4p~in~ ln th~
roo~ an~ poaitioning th~ hoo~c p~rtio~ he ~n~horl~o ~!18 to
e~2-~i5-1992 10:10 2i33 527 5Q~29 CHILTON ALIX VANKIRK P. 07/48
~ngage the tmd~r~id~ ~f' thql roo~' r~ft~r, ~rhe platel ~ng~e~ the
exteri~r rr~o~ ~nd dch~ nut i~ ht~ned ~g~in~t th~ ~te to
th~r~sby ~u~ly an~h~r th~ ~n~ho~ bolt t~ thl~ roof'.l
In ano~her ~ dim~n~ ~ pair- of podE~ ~r~ ~ivotal~ly mounted
ta ~ shoe which r2Cse!i~r8E~ the ll~line hou~ing. ~h~pod~ ~an
hav~ a pai~ o~ g~ whlch ~onr~ect at ~n ol~ ue ~nc~e with a
plate. Th~ pla~e~ ar0 pivotal ~or ~n~age~n~nt agairl~ oppoE;ing
6ides of' the plk;:hed roo~ at a v~ri~y angles. ThE~ Iplat~s al~o
include op~nings ~'or r~a~iving anchor ~olt a~ nbl~.e~3 to anchor
~h~ pl~te~ to th~ roof ~ Tha open~ng~ $un~tion a c:~$ar slo~e
snd tha pla~s are plYotsl to a mutually engage~ po~l~ion wher~ln
. th~ ~lot~ ~lign ~o p~mlt tran~ort o~ ~h~ ~rac~
. A a;upport bra::ket msy ~l~o ~e ~nount~ to th~ :L1Eollrlæ
h~u~lng tc~ moun~ ~ ooil ~pring Ad~a~:enlt the hous~nq !~utl~ ~or
thç li~ ne aable. A plug i~ disposQd ~t ~h~ int~rior o~ the
~pring. ~hs }if~line t~abl~ traver~es ~hrough ~ bo~ and the pluç~
~nd axially ~rough the ~oil ~pring- j
An ~nc:ho~ a8~ y.~OX' anchorln~ th~ br~ck~t ~ to the
roof may employ a plate h~vln~ an ~pQr~u~e whl~h i3j r~ red by
thq J-~olt ~hank. ~h~ plate al~o ha~ a p~ir o~ upk~rned ~lange6
and an anchorlng ~oop dispo~ stw~en the ~lange~ to p~ovide an
anchor point ~ A lu~ hqv~rlg a 1: or~ may al40 ~e empl~yed to
provide the elnchor po1n~ . 8wlvel q~nnec:~ors may CD1~15!~t a~ the
an~h4~ point ~or R~choring a ~e~y rope. The hook! portion of
~h~ J-bolt may alco be tap~ to ~ci~ltate manlpu~lation o:e the
hook ~or at~aohing th2 h~o~c portlon to th4 b4am~ P and an
. . .. .
.
02-05-1992 10:1~ 203 527 5029 CHILTON ALIX VANKIRK : P.08~48
2~
Indica~or pin which allgn~ wi~h th~ hook por~ion ma~ be loa~ted
at the top of khe Ei;hank. A w~ghted win~ nut ~nd el i~ash~r having
c:ollar ~or ~ea~ing in a pla~ openlng i~ captured !C~ the ~bolt
~hD.nlc. A ~econd r~3kain~r pla~e includinq a tang ~5ld ~ wing whlch
~orm~ aperture may al60 be mounted to th~ J-boll: lshank or
alnmping the ~ lt to th6~ top and bottom portiot~ a be~m
durin~ lnltial con5tru~ ion ~t~gs~ o~ th~ xoo~. Th~: ~ing
apertur~ m~y thu~s provide a ~ec:ur~ t~e-o~ point .
In another embodim~nt, a ba~e i~ ~dapted ~o oor~ec:t with
four cantilever antls whlch a2~e anchor~d by count~ weight~. Th~
~a~e receives an upwar~ly dl~posed ~hoe for mountln~ B
r~traatable li~elins. I
An o~ect ~ h~ invention i~ to provide a new, ~nd impro~d
~a~ety ~y~t~n~ whlch i~ ad~ptable ~or a pitche~ rDO:E!~ protect
work~r6 ~r~m ~alling. I
Another o~j cot of the invention i~ to pro~.rlde q new and
improved an~hor s~embly o~ ~f ~ ient construction :eDr anohoring
a ~a~ety 6ystem t~ a roof in ~ sia~ and ~eliable mi~ner~
A ~urthQr ob~ ect o~ tha invention 1~ to provil1q A n~w and
lmprove~ mean~ ~ar moun~lng a r~tri~c~elble li~allne ~plo~ing ~
cen~ri~Ugi~l lockin~7/rewin~ g 3y8t~m ~ n ~ secure ~ e~ pos:Ltion
on a r~v~. I
Other ~b~e~.ves and advant:~ge~ o~ the inventicln will become
~ppRrent ~rom ~he ~rawlng~ ~nd th~ 6peci~ici~tlon.
02-~5-1992 10: 12 203 527 5029 CHILTON ALIX VANKIRK P.09~48
.
2r'~
oss~ iOn ~ ~;h~ g~ !
~ igur~ a per~peatlve view c~ th4 roo~ E~lin~ sz~ y
~y~tem ~nd ~wo ~4nchor~ 'chQr~or ln a4c:0rd~n;:e with ~h~ pr~s~n~
inv~nt~on~ ~a~ ~y~tem bein~ u~trAtQ~ con~unr~4n with a
pitched roo~.
. Figur~ 2 i~ ~n enli~rge~ o~ctlonal vi~w o~ an a~hor o~
~lgu~e 1 isnd ~ portion o~ tho p1tcl~ad roo~ illu~tril ln5~ th~
mounted con~i~ur21tlon of the ah~hor;
Figure 3 i~ an enl~rgad fragmentary sid~ elevi~t~ onal 'Vi8W,
pa~tly brolsen awA!~ l o~ th~ el ln~ Ba~ty ~y~tem o Flgur~ 1;
ure 4 i~ an enlarg~ fragmentary end view, El~rtly broken
~way and partly in ~tion, o~ the 1~ lin~ sa~ety Ely~tem o~
Fig-lr~ 1 I
Figur~ 5 1B a per~pe~iY~ w of an ~n~hor al3~1y:
~ l~ure S i~ an ~nd elevat~onal view, partly b:r~ n away and
partly in ph~ntom, c~ a $econd embodiment o~ th~ ro~f l~slln~
~a~ety ~y~t~m in accor~ance with ~h~ ~nventlon, sai~l ~ystem b~in~
illU trated in con~unction wi~h a pi~oh~d roo~ and in e~
non-arl~hore~!l mod~; !
Fig~lr~ 7 i~ a side el~v~tional view, partly b:rak~n away and
p~rtly in ph~n~om, o~ ~h6~ roo~ line sa~y syet~m h~ pitch~d
X~OO~ 0~ 6 ~ !
~ igur~ a pe~p~c~ive ~rlow c~ a ~ on~ emb~lment o4 ~he
anchor a~ ly )
~ lgur~ g iZ!t an anlArg~ ~scti~nAl view ~ ~n u};p~r p~rtion
o~ the~ el~n~ E~a~ety ~y~m o~ Figur~ 1 talc~n alo~ the lin~
~-9 the~eo~; t
.
. .
02-05-1992 10:12 203 527 5029 CHILTON ALIX VANKIRK : P.10/48
~igur~ 10 ia an enlar6~ed ~tional v~ ew o~ the~ ell~e
~aPety 6y&tem oS Figure 9 t~XQn along th~ lin~ lO-l~ thereo~,
Pigur~ sn ~nlarq~d p~r~p~ctiv~ ~riew o~ mp plata;
~ $gur~ side eleva~lonal vi~w o~ a thll~d eml~o~imen~
of th~ anahor a~E~em~ly amploying ths plate of Figur~ 11, SRi~
~nc:h~r ~ 5E!J~ y be~ng mounte~ to ~ ~eam illu~tr~tefl ~ seotlon;
~ i~ure 13 i~ a ~ld~ alevational ~iew o~ a ~ou~.~h ~mbodlment
o~ an an~hcr a~;~em~ly and a ~oclzlte~ pl~e, ~aid a~e~1y ~nd
pl~t~ b~ng mounted to a b~am ~n~ roo~ illu~trated ~ seotion.
Figure 14 i~ ~ p~r~pQctlve ~i~w o~ th~ ~nchor o~ Figur~ 13
illust~ated in con~unation with a second embo~iment: ID~ the ~la~ap
plat~ o~ Figur~ nd ~u~thar illu~trating an appl~c~tion o~ the
anchor and plEIt~ assem~ly: ,
Figur~ A perspe~tlva view o~ a fifth embddim~n~ 4~ the
anchor a~sembly: 1
F~ure 16 iA A to~ plan view, p~r~ly in phantomJ par~ly in
~tlon ~nd pa~tly brc}can aw~y, lllu~trating a ~e !~or a i~l~t
roof embodim~nt of A ro~ic ii~elinR ~afe~y system t~th~ w~ th
v~r Arm/c:tsunt~3r w~ ight unit ) and
Figure 17 i~ a E~ide el~v~onal vl~w, pe.rtly :L~ phantom,
p~rtly in ~a~on ~nd partly ~roken ~w~y, o~ the ~lsæ o~ F.Lgur~
llo~ ~o~orlptlosl o~ th~ ~ro~arr~ ~o~ t
W~th r~erence to th~ ~rAw~ngs wherein liko Jlu~r~l~
rep~esen~ lilca part~; throu~houk ~hs ~ev~rAl flgur~ eline
sa~ety ~y~m in ~oc:4rdanae with th~ pre~e~t 1nY~n1ciDrl iB
.: . ,.:., .,. ~- . '
02--05--1992 10: ~3 203 527 5029 CHILTON ALIX VANKIRK P. 11/4~3
2a~
gçnexally d~ nated by ~he numeral 10. ~he ~af~ty!sy~em lo i9
generally ad2pted to provid~ a 1~ ~llna ~or Rn indi.uiclual workln~
on a pit,chea roo~ l~ havin~ a p~ak 14. ~he lllu~trq~d pltche~
~oo~ 12 ~ in~endsd So be illus~ra~tve o~ a pre~e~rq~ ~nvironment
~or the invention and i~ n4t a llmitation o~ ~h~ ap~liCR~ lity of
th~ invention. ~h~ Worxer pr~fRrably w~r~ a ~a~et:~ ~elt or
ha~ness ~not 111UBtrat~d) whlch connects with th~ Qlin~
~ he ~afe~y system 10 comprlse6 a mount~n~ ~rac:~R~ a6~embly
20 whl~h i6 suppor~d ~y a pair of gen~rally xecta~ lA~ ba~
plat~s Z2 ~ a4~ The ba~e plate~ a~e d~ po~e~ at a~ an~l~ which
i~ pr~f~rahly ~ub~tantially equal to thq ~ngle of ~h~
intRrseqtion at th~ pe~ o~ th~ pitched por~lon~ o~ roo~.
The ~9~ plate~ may b~ conneat~d by a h~.nge ~ ~o ~hat ~he angle
m~y ~e vari~d t~ acqommodat~ ~ giYen ~oof pitch. E~ch o~ ~he
~a6e plate~ 2~ an~ 24 engagR oppo~ing pl~c~ed portL~n~ oP the
ro4f in g~ner~lly ~ur~ace-to-~ur~acs aontact~ E~hlba~ pl~te
has an opening 2~ ~Flg. ~) ~or rec~ g an anchor ~s d~t~lled
bel~w. I
A box like ~amQ 30 ~x~en~s ~er~ica~l~ upwar~ om the
base plat~ ~n~ i~ g6nRrally symm~triq to ~ ver~ic~ p~a~
throu~h the int~r~eation o~ th~ b~e plat~ he ~r~me 3
inalud~ opposiny ~ront an~ ~ear panels 32 and 34 ~d
~ub~n~ially iden~ia~l end panels 3fi~ opening~ ma~ be ~orm~d in
~h~ panel~ t~ allow. ~or w~er drain~e~ The p~nel~!extend
v~tia~lly ~nd ~o~perats to $~m ~n ~ncl~gura ha~ln~ R
rectang~lAr ~pen ~nd ~ the t~p ~he~eo~. ~h~ ~r~nt p~n~l 32
m~y be hing~a to th~ ba~ plate 2~.~or a bra~k~t a3~embly
,
- ,: . .
. .
02-05-1992 10:14 20~ 527 5029 CHILTON ALIX VANKI~K . P.12~48
embo~1men~ whioh aacommQdate~ varlou6 pitch a~ For a f ixed
pi~oh embcdimsn~, th~ panels ~re ~ oined ~long ~h~ir Ibottom ed~e
po~t$on~ ~o ~he ~ase plate~ and ~rs c~n~igured to ~Iqaommodata the
pltched orien'ca~ion o~ th~ ba~ p~ates. In ~om~ eiu~7D~lim~nt~, the
~rame 30 may be ro~Ated 90 rel~1~iv~ ~o th~ base pl~s in
aomparison t~ ~he orient~ion illu~trat~d in ~ths ~lr~ ng~.
Th~ ~rama op~ning 3~ and th~ ~rAme plate3 ar~ dlmensioned ~o
~losely rec:eive the ca~ing or hou~3ing or a retrac1:qlbla li:~eline
sy6tem 5~ elin~ ~y~tern SO may b~ a cwnventionc~ lifeline
~uch as the ~IN~O Mo~el 64 :Retrat~ A-Ma~icTM li~ e m~r~eted
by the a~ign~ae o~ ~he pre~ent in~en~ion, Ths llf~ e ~y-tem
include~3 c~ ~e~l houstng 52 whi~h houses a s~lf-~on~ined 3~16
inc:h s~eel ~Able 54 . ~rh~ ~abl~ te~nina~ with a c~ab l ner 56
Por c~nnec:ting the cabl~3 with a ~a~ety b~lt or harn~s~ Thq
c:~ble 54 or li~lin~ t ~ wound on a re~l wi~hin the ~usin~ and is
~xt~naablel ~d retractable ~o provid~ a llmited lsu~h a~
re~uirçd ~or w~r~ting on th~ ~oo~. A cen~rl~ugal I ~
loc:king/rewindln~ as~embly au~omat~cAlly pr~v~nl~ sao~den~l
~all~ by loclcing the cable a~ ~n ~ttsined l~ngth upwl rapld
acceler~tion tæn~lin~ to un~nd ~l~n~then) tn~ el~ne aa~le.
The li~line aabl~ p~o~ect~ throu~h a gromm~ ke outlet 58
. in th~ hou~in~ A gromm~t h~ving an inside dlam~te~ 0.05 lnchss
g~ater than th~ ~tiam~ter o~ th~ cabl~ o~ O . 05 gre~er thAn the
~ut~ide diame~er o~ ~he ~prirlg ~0 may 1~ employe~ L cc~iled
~prlng 60, wh~ah extend~ n~r~1y vertically elppro~ln~cely 6
02--Q15--199Z 10:14 203 527 5029 CHILTON ALIX VANKIRK ' P. 13/48
7~L
inche~, Rt ~he lower end mount6 ~t the outlet. ~h~ leprirl~ 60
~urround~ the proxlm~l pori:lon o~ ths l~llne ~ab~ dhich i~
~l~p~d ~xteriorly ~ro~ th~ hou~ g 52~ ~he hou~ lnt~grally
form~ an eye 62 tFig. 3) at a po~itlon tbottc)m in F~g. 1)
generslly diamatric;~lly oppo$1te the o~tlet 58 ~o i^~c:llltate
~n~untiny ~r ar.~h~in~ tha li~eline ~s~m~ly,
A pin 155 i8 in~er~d through opposed aligned opanin~5 o~ the
~rame panels 3a and 34 an~ the eye ~2 o~ tha lif~l~rte ~sg~ y to
~3ecure the li~lin~ a~mbly to the ~r~o~t ~oe7r~ . Other
me~ns o~ ~ecuring the l:LfRlln~ A~sem~ly to the ~ra~ ay al80 be
employ~d. T~e li~eline ~sembly i~ upri~h~ly o~ieJ~ d and
con~trsin6~d by ths ~ra~ne ~o that the outlet 58 ~or ~e li~elin~
c ble i ori~anted ~enarally v~r~Gally a~ thQ top ot th~
housing~ Tha coil ~prlng 60 extend~ in a g~nerAlly ~upwa~d
~ient~ttol~ to 1~.RE~ proxi~nal portion~ of ~he li~elir~s ~o a
po~ition v~rti¢ally position~d above the outlet ~ 1'1~ ~pring ~o
~hu~ func~ion~ to prevent th~ eline cable 54 :eron~ contacting
th~ roo~ when properly 44upled to th~ saf~ty belt o~ harn~ worn
by th~ wor}c~r ~ ~h~ spring 60 al~o p~ov~nt~ th~ c~bll~ ~rom
kinkin~ by cc~n~rvll~ly ~l~xing ~ownw~rdly ~o pr~v~n'~ a ~ r~
Qngul~r b~nd in ~he cable., I
~ h~ bra~t a~emb~y 20 i~ ~eo~lrq~. ~o the roo~ loc:EItions
on cppo~ e~ o~ the peak by m~ns oi:` a palr oi~ ~;an¢hor
~ssem~lies de~igna~ en~rally by the numsral 70. Il~ith
addlt~iona~ re~e~enc6~ to F-~ g~3 . 2 em~ S, ~ach an~hor ~~ y 70
~mpri~R~ ~ gen~rally ~-3haped ~nchor ~ 72 wh~hlla lr~serted
: ~o
: -
02-05=1992 10:15 203 527 50~9 CHILTON ~LIX OANKIRK . P. 14~4
through ~n openln~ a~ ln ~he ~e pl~oe and throu~ n op~nlng
O~ bor~ 18 drill~d ln the roo~. ~ wing nuk 80 thr~3~d~ to the
anahor bol~ 72 i~ ~or~uQd ~gain~t th~ ~a~ pl~ curely
~n~hor the bxacket ~embly to ~he ~oo
Wlth ~dditlon~l r~sr~nce ~ Figu~ 2, tha anchDr a~embly
70 aomp~i~es a t~nerally ~-shaped Rnch4r ~2 bnlt ml~nu~acture~ o~
~tqel or other ru~ged high~tranyth mat~rlal. The anchor ~olt 72
i8 ~on~lgur~d ~o lnt~ludta A lower hoo~ 74, an int~r~n~ te
lon~ltudinally ex~end~ng shanX 7Ç a~d an lnteg~al u ~ Rr eye or
conn~c~in~ ring 78. ~h~ dlam~ter of the conn~ctlnt3jrlng op~nin~
may ~ 2 3/4 in~he~ to 3 inche~ o ~ht~ rinq will ac~ept sa~y
snap hoo~ havin~ ~nti-rollou~ ~atUre~. ~ thread~ ~ur~ac~ 77
i~ ~ormed on th~ sh~nk. ~ha nu~ ~O ha~ ~n in~erlo:rlthr~aded
sur~oe whi~h aompl~ments thQ thr~ad~d aur~ACe o~ t~ ~olt. A
pair ~ wlng arms 82 ~n~ 8~ proje~t generally ~ran~rs~ly f~om
the body portion of the nut to fa~llitat~ ~anu~lly ~pply~y a
torqu~ to ~he nut. ~n ~ ~on~ention~l fash~on, the ~u~ i~
po~i~ionable along ~he 6hank by manuall~ ~rasplng t~ wing arms
~2 and 84 o~ th~ nu~ to torq~e t~ nut to ~h~ ~e~lr~d po~ition.
~ ith re~erenc~ to ~yur~ 3, the ~n~hor a3s~bl~ i~ moun~e~
in po~i~ion by d~illin~ ~n opening or bor~ 1~ throu~h ~he ~oo~
sub~ra~ 15 in clo~ proximity to ~ ~upport ra~erll7. The bolt
7~ i5 dimen~on~d ~or engagement with a ra~t0~ whic~
Conv~n~ionA~ ,ither ~ inch x 8 inah o~ a 2 ino~ x 10 in~h
woo~ ~am ~prior ~o mlll~ng) althou~h th~ ~n~ho~ maF b~
applic~ble ~nd accordingly ~imen~ione~ ~o accommo~ oth~r
-
02-05~ 992 10:16 203 527 5029 CHILTON ALIX VANKIRK : P.15~48
Z~ 7~.
~uppox~ ~tm~ture ~ype~ ~nd dim~n~ion~. The anchor~bolt 72 is
inaer~d ~hrough th~ ~a~o pl~t~ op~nlng 2~ and th~ ~oo~ open~ng
1~ and i~ rot~ted ~nd po~itioned ~o thnt th~ hook 74! snga~e~ th~
un~ar~lfle o~ th~ r~fte2 17 and c~t~he~ the oppo~in~ ow~r ~i~e.
~he hoo}c 74 pre~erably hAs ~Iuaru corn~r~ ~o alos~Ly con~orm to
the ~n~ge~ portion~ ~ th~ raft~3r. ~hla wln~ nut 1~ i& then
to~3ued ~gain6~ th~ bas~ pïat~ ~2 to thereby ancho~ he ba~
pl~e to the raf~er ~n~ adjaaent ~uctures of ~he ~oo~. The
thr~ded Yl~r~aa~ 77 ex~ends to ~ pr~-~stabl~sn~d 1~ liml~ ~o
a~ to provid~ R 6~ety indi~a~or. I~ tha nu~c botto~ oul: ~1; the
lowar limit, the in~t~ r will know that the bolt ~ ot
prop~rly engaged tha r~f~e~
~ ith rQ~Qren::~ t~ Figure 5, ~h~ 2nchor may ~sq be empl~yed
wikh oth~r ~ppliqation~. ~or ex~mpl~, th~ an¢hor ~ mbîy mby b~
employed ~ ~n indepl3ndent ~n~hor ~or a cros~ r~ ~r o~her
~uppor~ing ca~l~ tnot l~.lu~tr~t~. For ~uch ~ppll~ztlon~,
plate go whi~h in~lud~ an openin~ g2 dlm~n~ioned t~ p~rmit
in~rtion 1~y the ~nehor sh~t may ~loo ~e mounted ~q the an~h~r
bolt. A bo~e i~ drilled in the roof ~d~ac~nt th~ r~t~r 17 or
o~he~ ~uppor~ me~r. The an~hor b~lt i~ th~n ins~a thro~lgh
tha op~nlng Arl~ pCE~it;ibned ~,~ pre~ utlly d~sorib~d ~ eng~gement
b~ the r~f~r 3.7~ ThR wlng nut 80 is ~hen tor~ue~ in~t ~he
top o~ th~ pl~ 90 to provl~lq a ~ecur~ ~ixed mour~ with the
roo~.
12
.
.
02-05-1992 10:17 203 527 5029 i CHILTON ALIX VANKIRK P.16~4a
2~
The ey~ or ~onnector rin~ 78 whlch pr~rably ~ gr~ïly
extend~ ~rom ~e ~hA~t 7~ ~y b~ Qmployed ~or rec~:i~ng a ca~le
connector or other ~4nnector elem~n~ or ~he cable may be inserted
through th~ rlng and ~ecured in v~rlou2; manners.
With re~erence to Figu~4~ 6 and 7, a ~e~ond elnb~diment of a
lif~line ~a~ety ~yst~3m adapted fox ~ pltched roo~ ation ls
generally designa~e~ by the numeral 100. Th~ unl:ed br~ ke~
aeæembly 102 i8 adap~e~ ~or mounting to ~ pitched xoo~ ~or
ecllrins~ a r~rac:~able li~eline system 50. ~he braa~k~t a~embly
::om~rl~Qs a reGt~ngular sho~ 104 which i~ simllar ~ orm and
function to ~r~m~ 30. A palr o~ pods llo and 120 ~ p~votally
mounted to tha sho~ Rt oppo~d lower ~pi~a~d l~ati~ s by ~ ns o~ -
pivot pins 11~ an~ 122. End p~nel~ of the ~hoe lol~ ihave s;:utout3
106 to ac:commod~1:e ~e protruding r~al axle o~ th~ e. The
pivot pins 112 ~n~. 122 exk~nd tra~er~Rly ~t~rough th~ ~n~ p~nels
of the ~hoe. ~he pod~ inc:lud~ opposed pairs of trav~ersely spaced
legs 114 and 1~4 whi~h ~xtend ~om 'ch~ ~hoe ex~erior.. 'rh~ lqgs
114 ~r~d 12d~ ext~nd a uniform digtance ~rom 'ch~ pivot~ axe~ and are
re6p~tively joined ~t ~ixe~ o~lique ~ngla~ to sub~;~ntially
ldent~c21 ~uppo~ pla~e~ 116 and 1~ ~ . In a pre~err~l ~m~odiment,
~h~ lnterlor an~ b~cw~en th~ logE~ ~nd the support~ pla'ce are
ehch approxlm2l~ely 30, ~he BUpport pla~a~ are ad~ d ~or
~n~Agin~ oppo~ed ~d~ o~ ~ p:ltched roof in genera:LLy
~ur~e-to-su~ac~a relationshiP~ 'rhe roo~ anohor~ not
illu~tra~d ln Fi~res 6 ~nd 7.
. ~3
.. ..
0Z-05-19S2 10:17 203 527 5029 CHILTON ALIX VANKIRK ' . P.17~48
~ he support pl~Æ ~16 and 126 each h~ve an oblong ~lot 12
whlch ~unction~ ~!IB bo~h a ~rr~r elot ~or ~ran~po.c~;; and ~n
aperture ~or a roo~ arlchor. A lat~ral ac~e~s 81OI; ~2~ la~d~ from
one ~id~ o~ th~ ~;uppo~t plate to~th~ ~nl~rqed ~lo~ . The
610tB 1~8 ~nd 12~ zlr~ ~m~n~ion~d to r~c~ * a mountlng bolt,
~u~h a6 anahor a~sembly 70 pr~vlou~ly describ~d or bther anchor
a6~emblles d~crib~d ~elow, for anchorlnq ~he BUppO:l~t pl~e~ to
th~ roo~ . Pre~erably, the ~nch~r bolts ar~ pro-mo1l~ted to th4
roo~ ~nd the ~ntir~ bracke'c frame ~embly ~02 is ~zms~rE;Ply
di~pl~t3ed ~n the dlre~tlon o~ the Figure 7 &rrow un'çil th- ~noho~
bolt: i0 l~c:ated ln the ~lot 128. Ths oblong slot~ ~2~ are ~l~o
d~m~n~ioned ~nd located Elt~ that when the pods ~ra Pi~rot~ in -he
d~ection o~ $ha ~rrow6 ln Figurla ~, ~he ~lates 11~ land
eng~ga in gen~r~lly 3ur~ac~o-sur~ace relation~hlp~ and th~
~lot~ ~re ~enerally align~bl~ ~o provide a h~aldle ~ r ~rA~p~n~ by
the work~r $e~r ~xAnOEportlng th~ br~cket a3~embly tl~ ' ~nd ~rom th~
wo~k 8:Lt8. l~he Elho~ 104 i~ es~enti~l~ y lnvert~ad d~l~ing
tran~?or~. Th~ E~$de~ he plAi:e~ n~l 126 arls 1 b~nt upw~rdly
t~ ~orm ~lang~ ~17 and 127 to enhanl::e the r~idity ~ of ~h~
plat~
With ~ddition~ rence 'co Figux~ 6, 7, 9 ;R~lld 10, a
~prir~g mount ~ss~mbly 130 ~ompr:lsa ~ pair ~ compl~monta~y,
.
g~ne~ly inver~ed, ~r_~hAp~ ~upport br~c:~ce~ 13~ an~l 13~ which
Rt~ach to the top o~ ~h~ lino h~uf~in~ ad~ac~nt ~ho out~et.
The ~brAc)c~t~3 13~ ar~ 3g ~oop~ra~l3 tc~ form a clo~e ~itt~ng sleBve
~. -
:.
02-05 1992 10:18 2~3 52-7 5~29 CHILTON ALIX VANKIRK ! P.1~48~
2~
mount ~or ths ~prin~ 136. The brac:}cetE~ ~r~ ~oined ~o th~
n~ houoing 52 by ~a~ten~x~ 140. Th~ upper po~tions o~ the
brac:k2t3 ~r~ clamE: ~d tog~th~r and ~ec~red by bol~ and nuts
l44. The ~le~v~ ~ g~ner~ loc~tsd c:oaxl~lly with the outl~t
~hu lif~line hou~ing. I
A rubb~r plu~ lS0 l~ axially lnsRr~ed through ts~ pring ~or
~ng~g~men~ Rt ~he lowl3r ~p~ing por~ion ilgain~3t 'che ~ou~i~ng around
the housing 4utlet. ~he rubber pluç~ 150 ~ri~tlona.~y enga~e~ the
lnt:~rlor o~ the ~pring coil~ an~ inc:lud~!3 an axi~l ~PDr~3 ~5~
through wh~ch th~ llfeline cable pAssell~. The plug 1~ gener~lly
~unction~ to pre~ent WAt~r ~rom enteril~g ~h* lif~ll~ hou~lng an~
al~ ~unctions to ~ ylatQ ~br~6ive ~ng~g~ nt ~e~sen the
llf~lin~ cal:~le S4 and the lnt~rlor surfa~es of the cDll pring
36~ .
Ni~h additional r~f~rQns~ o Figure~ ~ ~ 11 and ,12, ~he
li~eline ~fety a~eml~lle~ ~0 Rnd 100 may al60 be a~chorgd to tl~e
roo~ by mean~ o~ ~n ancho~ a~em~ly d~E~igna~ed gen~rally ~y th~
num~ral 17 0 . ~ lea t ~wo anchor a~;~em~ re re~ ed ~or eaoh
ins ~3a~ety a~6embly~ Anchor ~;3~T~1y 170 ~n~lu~es a
~a~i-J-~haped ~olt comp~ing ~ ~hre~dl3d 3~4 inch ~d-liX~ ~t~el
~hank 17Z. P. ~.pe~ed plate 174 whle;~h may tap~r ~ro~L
~pproximAtqly c~n~3 inch to on~ hal~ inch~i~ W~ldqd a~: one ~nd
~h~ sh~n~, ~he t;!lpe~d ah~pe ~a~ a~ m~nlpul~t,~on during
installak~n, Th~ pla~s 174 ~xt~n~6; to ~orm ~n up~ ed tang 17
~ ' , ,
: ~ '
02-05-1992 1~:19 203 527 5029 CHILTON ALIX VANKIRK P.l9/4~
a~ p~eviou~ly ~escr$~ed ~or J-bol~ E~138131llbly 70. A ~ing mlt l80
iB thr~z~ded ~o ~ho ~hank and i~ axl~lly ~plac~ab:l~ thereon.
Th~ hook and tang ~rs ~lco d~m~nalonad tc ~a~.itak~ in~artlon c~f
the 3'-bolt ~hrough th~ op~h~n~ O~ the roo~ !
A E~zur~m~ni: pl~ 0 i~ ~u~th3r moun~e~ to k~ ~hA~t 170
ar~ lock~d to th~ ~ol1: l~y the nut 180 ~n~l a washer lBa. ~hc
~curem~nt pla~ 190 i~ ~p~cially ad~p~qd ~or use ~ith ~he
bolt to ~ecur~ the braa~c~t aa~i~mbly 102 to the roclI but al
ha~ oth~r ~pl;lcaitlon~. 'rhe ~oiurçment plate 190 h~ an Elpert~r~
dimeneiion~d ~o r~ lv~ the~ sha~t 172 o~ tha J-~olt. I q~h~ ap~rture
i~ syn~ne~rio lly located betw~n a p~i~ of tranever~ly ~pac~d
upturn~d ~ide i~ ngCl~G 1~94 arld 1~6. ~hs ~l~n~o~ 1~41 ~nd 1~6
xein~o~e ~h~ plate . ~n anohor loop lg8 hav~ ng a ~n~r~lly
~: lnv~rt~d U-~;haped con~igurat~on is w~lded to the pl~te ln ~eneral
alignmen~ w~th tha aperture and midway between the ~lan~eçl~ ~he
an;:horin~ loop lg8 may thu~ ~un~tion a~ An anahor~:nq point for a
uspended ~aa~old a~ ly, swing 6ta~ or ~or o~h~r
lne~llation~ and applia~iOn~. i
Th~ wlng nu~ ~.80 ha~ ~ pair o~ diam~tria~llY o~posed win~
18~ ~n4 186 whiGh ~xtondi upwelrdly and kr~novçi~ely to
~al~itste tor~uing 'en~ nu~ ~o~ mounting And ~ismou:~tin~
p~rp~ae~. The wln~ a~lR msy aon~tltu~ R pair o~ b~nt ro~s whlch
r~ welded to ~h~ n~lt.. 'rhq~ wing a~ 4 and ~86 ar~ a~nfigured
o; ~C~Ommodats th~ h~Adroom qon~traln~ b~tw~o~ th~l po~ iiig6 and
J ,~
___
02 - 05-1992 1~:19 203 527 5029 CHILTON ALIX VANKIRK ~ P.20~48
Z~
~aoili~t~ torquing ~he nut upon imp~c~ by a m~ c ~I Dr othær
~uita~10 lmp~ct tool. Alt~rn~t~ly~ nuk 1~0 m~y ~e 2~ c~mmer~ial
w~ighte~ wlng nut D6M mArxeted by ~ m~ Form ~nl~in~ing Corp.
oP ~and F~apid~ sichl5~sn~ - j
With r~f~rence to ~iguræs ll and 1~ ~ ~n upper ql~mp E~l~te
200 i~ alao mountA~lq to th~ ~ha~ 172 o~ th~ J-bql~ in pl~e c~
~aur~m~nt plat~ l~0. ~lamp pl~te ~00 ha~ R downt~ ng ~02
and an opp~ng angled wing 204 whi~h ha~ an apartux~ 206. A
guid~ Ble~v2 208 i~ W~ld~ to a c:~nt~al pl~n~ por~iion ~o pro~ride
guideway ~or tb~ J-l: olt shank 17~
As lllu~r~ted, ~n Fig~lra l~, ~he upper alamp p~te 200 is
d;men~onad and c~n~igur~d ~or on~aging th~ upp~r po~tlorl o~ a
beelm l~ ~uch as, ~or ex~mpl-, may b~ a ~omponent ~l ~ roo~
tru~3~ ~rhe J-bolt a~3ssmbly i~ clamped to ~h~ 3~eam ~9 by ~he
oo~pex~ti~r~ eng~gem~n~ J-bolt pl~t~ 17~ ~nd th~ uppe~ olamp ~00.
h~ illus~ra~ed ms~unt~n~ ¢onfig~ation m~y b~ employe~ to ob~ain
a t~e-o~ poln~ ~h~ough ap~rture 20h be~or~ ~hR ~oot ~hQathin~ l~
s~allqd. Thu~ ~he anchor bolt a~Bem~ly iE~ capabl~ o~ pro~iding
a tl~-of~ ~o ~n~:u~e worker ~a~ty ~lur~ng th~ inl~la,l roo~
con~ruct~cn ~tag~. A~r the roo~ ~h~Q~h~ng ~ all~d, tne
upp~r olamp plat~3 ~00 i~ rcmoved ~hd ~¢~em~nt pla~ 190 zlnd
wing nut 180 arq ~unt~d to th~ bolt in a l008e ~ A53e.
Alterna~ely, ~h~ n~.re~ bolt~el~mp pl~te ~o~ombly~ ~y bo
di~mount~ A~t~r .a p~ir ~ th~ J-bolt ~embl~e0 ~u~h z~, ~or
XamP}Q~ ~5~ ly 170 illustrA~ed in ~i.g-lre 8, ar~ ~o~eely
02-05-1992 10:20 203 527 5~29 CHILTON ALIX VANKIRK ~ P.~1~48
2~ ~ J ~
~n~ he li~elin~ 1~racket a~ mbly 102 ~ tr;~r~el~ mo~rad
80 that th~ J-~olts pa~ hrou~h ~ç~ lo~s 1~9 ~ he ~hank
eventually pro~ eatE!I through th~ ~lots la8 . The wlns~ nut~ 180 ~re
th~ urQly l~ck~ to anchor the l~f~line ~racke~ ! n~ em~ly ~o
the roo~
Wi~h re~ n~e to Figure 1~, anchor a~embly 3~0 comprise~
J-bol~ 302 having a lower foo~ or h~ok 04 which i~3l~imensloned
tr~n~ver~:~ly ex~e~d the thic)cne~ o~ two waod b~ r
r~er~. An opening 30~ ~typi~Ally 1 ~4 ~nch~ llad ~ ~ ~he
rvo~ 2Idjz~cent ra~ter 307. Th~ J-bolt i~ ~ecu~ed b~a wsiyhted
wln~ nut ~0~ threaded to the 3han~c 3D8. ~hs w~ight~ wlng nut
tor~ue~ agalnet a w~sh~r 310 havlng an inner coll~r 1312 which ~q
6~At~d ln ~he open~ng of the an~hor plate 314. ~aGher 310 may
~l~o be emp~oy~d wi~h plat~ 116 and ~26 with the cdell~r 31~
e~n~lally lo~a~lng the washe~ in the ~lots 1~ Ihe weighted
w~ng nut i8 re~;ist0nt to loo~laning du~ to vlbratory!~orc~
,.,~/, "~. , .
A pla~lc reba~ t:ap 316 1~ mounted to thl3 top *f ~he ~,hank
of J-bolt, A lo~tor pin 31~ ecured to the ~3h2~ and exteJ ds
~ .: ... . .
t~rough ~n opening in the ~ide o~ tha r~bar t;:ap at ~ob~tantl~lly
.
a righ~ angl~ to th~3 shAnlc~ Th~ pin 318 i~ orisnt~d ~0 an~ularlY
ali~n wl~h ~he ~an~ver~ely projec:ting ~oo~ 304 ~o ~at during
n8t~ tlon, wh~n th~ ~not i~ not r~3~dily vi~ibl~ h~ in~taller
Will know the angular Po~iti~n o~ ~h~ ~oot. It wi:Ll llk~wiee be
ppr~iAt~d th~ ~h~ winy nu~ 30~ and thla wa~her 3:lO ~re
¢s~nti~ly ~p~ure~ on the ~hank o~ thO ~-bolt~ 1
02-05-1992 10:21 203 527 5029 CHILTON ALIX VANKIRK P.22/48
7~
~ he anchor plAt~ 3 ~ O in~ludes a pair o~ upturn~d
~elnforcement ~lang~ 3~2 And 3~4 ~nd a p~ir o~ op~ lng n~il
h~ 32~. A n~ll 3~a ~nay b~ drivar~ throu~h A hol~s 1326 into th~
wood~n raft~r 307 ~ lxing th~-po3i~ion o~ t:h~ ~ndlor pl~ 3~0
on th~ roc~ a6~ b~ lllus~a~d ln Fi~ur~ 13.
With r~3~ar~n~ ~o Fi~ure 141 anchor bolt aGsem~ly 350
acmprl~s a ~-bolt 35a and an anchor plate 354 which ~r~ ~ecured
to a ra~ter ~s~em~ly o~ a roof beam fram~ 355, ~uch l ~5 may be in
place prio:r tc) $n~;tall~10n o~ th~ xoo~. ~h~3 3-bolt lnclud~
~oot 356 whlc~h i~ Porm~d ~rom ~n elongat~d ~trip o:E l~el.
M~dlal portlons~ the ~trip ~re bont arour~d th~ lo~ ~r~lon o~
khe ~h~nk an~ w~l~led in pla~e. ~h~ uppc~ed o~ O;~ Ith~ ~t~ip
have a gr~atsr width to form l:hee hç~ok tang. ~rh~ foat has a
t~p~re~ tal ~nd 3 58 which ~omrerg~ in a V-shap~3
con~gu~ ti~n whtch io al~o weld2d.
A 6wivel qonneator 360 may ~ bo~Lted to thQ an~or plate
thxough an ap~ure of ~he ~ncho~ plake and conne~t~ with a
cara~ r 3 ~2 ~or anchor~ ng a ~ ty xope 364 .
Wi~h re~e~encs to F~ g~r~ 15, A :~amp pl~te 370 l lnclu~e~ a
p~i~ o~ n~ hol~ 37~ ~n~ an upw~x~ projsc~ing lu~ which 1
~iepcs~d betwe~n reihP~rcem~n~ rlsng6~E~ 376. ~h~ lug h~s a
through b~r~ ~or ~nounting a ~wl~1 conn~oto~ 360 ~3~ noho~ng a
el3~ety rop~ 364 via car~inor 36~ ~he ~lAmp plat~i 37û al~o
lnalude~ ~n enlarged op~nin~ ~or ~a~ing th~ collarl 312 (nat
vi~ in Figur~ ~,S) o~ th~ wa~her 310 whi~h is t~ued a~ingt
;the plate by th~ weight~d w~ng nut 306.
~2-~5-1992 10:22 203 527 5029 CHILTON ALlX VANKI~K : P.23/48
W~th r~f~renoe ~o Fi~ures 16 and 1~, ~ ba~e fo~ an~hor~ng a
ro~ llne ~a~ty ~y~te~ 3i~n~t~d g~ne~all~r i~ ~h~
num~ral 400. ~ase 400 iB espsai~lly ~ul~eâ ~r ~ roo~ ~nd/or
roofs whRr~ dir~çtly s~urirtg th~ elin~ ~afoty ~e 104 to the
r~o~ oh a~ b~ anchor bolt~ i~ probl~matio. ~wo i~n~lc~l
~qu~re tube~ 40~ and 404 ar~ wqlded ~ ~ight ~ng~ to ~h~ media
por~lons o~ a longer 'cube 40G. A platQ ie welded l;d the tops o~
the ~UbB~ o f~o:rm e, plati~o~n 410. ~he ~ube endD fo~ four s~uare
~ock~t~ 41Z w~i~h ar~ di~poso~ in pexpendicu13r re:L~ n~;hip z~nd
ex~end outw~rdly ~rom the under~id~ o~ ~he platfor~n ~S10.
L-~h~ped loc~klng hanâl~ 414 Rr~ threaded through ld~k nut 416
into th~ ~oolc~at~ 4~3 ~o~ tionally eec~uring the
cantil~ r Z~m8 41~ r~aiv~ ln the ~o~::ket 41a (only ~ n~f~e
arm Seing ~ch~Tnstically illu~tra'c~ in Figur~ l~h~
can~ v~r e~ 41~ m~y assume a wide Y~riety o~ sh~pes. ~he
e)ut~ ends of th~ arm~ are anahor~ by A weight 4ao~ 5~he woights
420 w~ll&h b~r ag~lnst ~h~ ou~Qr ~nds o~ the cantil~r arme
func~ion t~ imn~obilize the ba~e on h ~lat roo~. Tho veigh~ 420
m~y be blo~cs o~ con~re~e or nun~rcluE~ othur ~u1t~ i!o~ h ving
a high m~ p~r uni~ volumq.
Oppo~ed pz~irE~ o~ ~lAng~ a elnd ~a4 extend up~r~lly ~rom
the p~elt~orm ~or c10801y xe~eiving the ~ho~ ~04 ~ ~h~ nge~
inals~de oppo~ed, ~lign~ ap~rtur~ 4a6 which re~iv~ pln~ ~not
~ . . ...
ustr2lt~d) l~or Elecu~n~ th~ ~ho~2 to the pl~tr~orm. I 'rh~ ~n~s o~
2 0
:; . ,
,:
., -
02 - ~5 - 1992 10:22 203 527 5~29 CHILTON ALIX VANKIRK : P.24~4B
Z~
the ~hoe also engaga a~aln~t ~nglR ironæ 428 to en~ n~ th~
d o~cur~men~ D~ thQ ~ho~ to ~hs pl~t~orm. ~ L~e~ractabl~
li~eline as~mbly S0 1~ thqn ~e~ùr~d to th~ ~oe 11~4 ln the
manner previously d~crib~d. _: ~
It ~hould b~ appr~ciat~d ~hat the ~or~going l.L~çllne ~ety
~y~tems and tha anchor ~s~mbli~ p~o~i~e e~ici~ntis~ruoture~
$or mcunting ~ 6~ty l~eline to a pitched roof an~ o~he~
el2vated ~tructure~. The li~elin~ ~a~t~ ~y~tem i'3 l~ily
in~tall~ a~ pro~ide~ a moun~ing a~m~ly hi~ving i~!nlgh d~gxe@
o~ structural in~grity. ~n i~ddition, th~ bracket ~r~m~ as~mbly
102 may ~ relat$vely eaæily t~ans~orm~d to ~ port~le
con~igur~ion ~o~ transporting th~ braqk~ a~emblyl~o and ~r~m
th~ ~o~ h~ ~ariou~ anch~r a~embl~e~ ~lcio a~a ~dapt~ble
to provide anchor poin~s ~or ~ wlde v~rie~y o~ applic~on~.
Whil~ ~ pr~err~id ~mbo~ment of th~ ~or~o~ng inYqntlon has
b~en set ~orth ~or p~rpos~ of illustr~ n, the ~or~goin~
de~rip~i~n ~h~uld not ~e ~eemed a limitation ~f th~ inventio~
horsin~ Accordingly, varlou~ modl~ication~, ~dap~ i4n~ ~nd
altern~iv~ may oc~ur to one ~k~llQ~ in ~he art wi~hout
, ~, ,.
~ departlng ~rom ~he ~pi~tt ~n~ the SCOp2 0~ ~he prel3~nt inY~ntion.
,, ~;.. ". ~,,. . , ' .
