Note: Descriptions are shown in the official language in which they were submitted.
:~:
The present invention relates to door locking
mechanisms, and more particularly to mechanisms attached to
the edges of a door for securiny the motion thereof.
With the present increase in crimes against
property, and particularly with the increase in the incidents
of burglaries, various securing devices have been developed
to protect the modes of ingress and egress from a dwelling.
~ypically such devices have been frequently conformed to
engage various holes or other openings in a door or a window ~;~
and therefore entailed modification of the door structure in
the use thereof. In many instances such modifications are
not permu.tted by the landowner, thus limiting the use thereof
and leaving the tenant often unprotected. For this reason
selectively attachable devices whic~ Ln their use do not
require modification of the door have had recent demand and
it is a device of this kind that is presently set out -~
Accordingly, it is the general purpose and object
of the present invention to provide a door loc]c assembly
which by virtue of its structure may be selectively attached
to the eclge of a door.
Other objects of the invention are to provide a
securing mechanism adapted to be deployed between the edge
of the door and the surrounding structure which, by virtue -~
of its features, will oppose -the normal opening motion of
the door.
Yet further objects of the invention are to
provide a door securing dev1ce which is easy to produce,
convenient in use and requires no maintenance.
In accordance with the invention, a door securing
device adapted to oppose the opening of a door comprises:
a U-shaped clamp conformed to engage the edge of sa:id door
b~ ~
said clamp including one vertical surface provided with
outwardly directed inturned lips along two parallel edges
thereof, clamping means for releasably securing said clamp
to said door; an L-shaped bracke-t having a vertical leg
conformed for insertion between said inturned lips and a
horizontal leg provided with a plurality of V-shaped cuts
each formlng a tooth-like structure turned out of the plane
of said horizontal leg, and adjusting means for selectively ~
securing saicl bracket rela-tive said clamp. '
Again, these and other objects are accomplished '
within the present invention by providing a yenerally
U-shaped clamping slide conformed to engage t'he edge of a
door and :includirlg a cl.c~npir.g scr~w extendirlg therethrough
for attachrnent to the door. Formed along the edges of one
leg of the slide are two inwardly-turned slips having
received therebe-tween an L-shaped stop bracket provided
with a set screw for selective adjustment of the cleployment
height thereof, The horizontal leg of the L-shapecl bracket
includes a plurality of V-shaped cuts, each forming a tooth-
like structure, the tooth-like structures being bent out o
the plane to form downwardly directed teeth which rllay 'be
pressed into the flooring to secure the door. In addition
the horizontal leg is also provided with two thumb screws ~ `-
engageable in the flooring which may assist in the securing
thereof or in t'he process of withdrawal.
The foregoing structure is uniquely adapted for
various temporary uses, and can be carried along by persons '~
traveling for use in hotel rooms and other -temporary '~
lodging.
The invention will now be described with reference
to the accompanying drawings which show a preferred -form
thereof and wherein~
FIGURE 1 is a perspective illustration of a .
removable door lock constructed accord~
ing to the present invention, -~
FIGURE 2 is a front view of the door lock shown
in E'igure 1 illustrating the manipulative -
deployment thereof,
FIGURE 3 is a side view of the inventive door .-
lock as installed onto the edge of a .
door, said door lock being articulated
out of latching engagement to permit the ~ :
opening of the door,
FIGURE 4 :is a side v.iew of the inventive door lock
man.ipulated to a ~ocking engagement, and
FIGURE 5 is yet another perspective illustration ~;:
~,
of an alternate door lock adapted for ~;
,-
transported use.
As shown in Figures 1, 2 and 3, the inventive door --~
lock assembly, generally designated by the numeral 10, com-
prises a U-shaped clamp 11 having an opening dimension some-
what greater than the thickness of a door D. One vertical .-
leg oE the U-shaped clamp 11, and particularly the ley ~ .
deployed on the interior surface of the door, is provided
with two opposed edge lips 12 and 13 extending partly along ~-
the lateral edges thereof conformed to receive therebetween, ~. -
in sliding translation, the vertical element of an L-shaped ~;
bracket 15. This same vertica~ leg of bracket 15 also in~
cludes a centrally located longitudinal slot 16 through which ;,
a screw 17 engaged to the adjacent surface of clamp 11 ~`
extends. Screw 17 threadably engages a wing nut 18 and it
is by this wing nut that selective adjustment of the ~:
deployment height of the bracket 15 is madeO Extending
also through slot 16 and threadedly engaged in clamp 11 is
a thumb screw 20 terminating on the interior of the clamp
in a clamping foot 21 for providing the clamping force
against the door D. The horizontal leg of the L-shaped
bracket 15 includes a plurality of V-shaped cuts each
forming a tooth~like structure 25, the apex of each tooth
being directed downwardly out of the surface of this leg.
As sho~m in Figure 4 it is these tooth-like
structures 25 that engage the flooring F adjacent the door
thus precluding the inward articulation of the door. In ~ -
addition, the horizontal leg of t,he 'bracket 15 may be pro-
vided with addit~onal two thumb screw~ 27 and 28 terminating
:in sp:i'ked ~nds on the ]ower surface thereof, thurnh sc~ews
27 and 28 providing additional engagement with the flooring
F and furthermore by the threaded engagement thereof relative
the bracket 15 provids the necessary upward forces in order
to withdraw the -teeth from the flooring to thus permit
opening. More specifically in the normal unengaged confi-
guration the horizontal leg of bracket 15 is carried above
t'he surface of the flooriny with the teeth out of engagement.
Should secure closing be desired the user may release the
wing nut 18 and force the bracket 15 downwarclly by stepping
on the horizontal surface thereof. Once so located the wing
nut 18 may then be again secured and the acute angle align- ,'
ment of teeth 25 will then propagate into the flooring on
the inward forcing of the cloor. Should withdrawal be
desired the thumb screws 27 and 28 may be threadably advanced
through the horizontal leg of bracket 15 forcing the teeth
25 out of engagement and allowing for manual upward arti-
culation of the bracket.
_ 4 _
By virtue of -the foregoing arrangement of parts
a substantially simple locking structure is achieved which
does not require elaborate machining or modification of the -~
door structure. This same arrangement of parts may cooperate
with soft flooring like rugs, the number of teeth and the
area of the horizontal leg of bracket 15 being sufficient
to provide the necessary resistive forces against unwanted
opening of the door.
As a further alternative a portable door stop use-
ful with carpeted floors is set out in Figure 5. In thisillustration a single L-shaped bracket 100 is providecl with
a plurality of downwardly inc:Lined teeth :L25 formed in the
horiæontal surface 101 thereof~ The horizontal surface 101
extends in the ~orrn oE tabs 102 and 103 beyond the croolc Oe
the '`L" and it is these tabs that are insertable between the
lower edge of the door and the door sill. When so positioned
the teeth 125, by virtue of their alignmen-t, are driven into
any fibrous floor covering, effecting a door closure.
I~lis last implementation is of particular utility
to those in the course of travel, being conveniently trans-
portable and easily applie~d. Teeth 125 directed against the
the path of opening are maintained in contact with the floor
covering by an opposed set of teeth 126, thus presenting a
point which is imbedded by the door.
Obviously many modifications and changes may be
made to the foregoing description without departing from
the spirit of the invention. It is therefore intencLed that
the scope of the invention be determined solely on the claims
appended hereto. ;
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