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Patent 1334818 Summary

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(12) Patent: (11) CA 1334818
(21) Application Number: 1334818
(54) English Title: BILGE PUMP FLOAT UNIT
(54) French Title: FLOTTEUR POUR POMPE D'ASSECHEMENT
Status: Expired and beyond the Period of Reversal
Bibliographic Data
(51) International Patent Classification (IPC):
  • B63B 13/00 (2006.01)
  • H01H 35/18 (2006.01)
(72) Inventors :
  • RUSSELL, LLOYD T. (Canada)
  • ZEITNER, WERNER B. (Canada)
(73) Owners :
  • LLOYD T. RUSSELL
  • WERNER B. ZEITNER
(71) Applicants :
(74) Agent:
(74) Associate agent:
(45) Issued: 1995-03-21
(22) Filed Date: 1988-05-20
Availability of licence: Yes
Dedicated to the Public: N/A
(25) Language of filing: English

Patent Cooperation Treaty (PCT): No

(30) Application Priority Data: None

Abstracts

English Abstract


A BOAT FLOAT UNIT FOR THE AUTOMATIC ON, OFF CONTROL OPERATION OF A BILGE
PUMP, AND OR OTHER DEVICES DEPENDANT ON WATER LEVEL IN THE BOATS BILGE.
THE FLOAT UNIT COMPRISING OF A FRAME WITH A SHAFT MOVING FREELY VERTICALLY
THROUGH THE FRAME. THE SHAFT IS ENCLOSED IN A TUBE TO PROTECT IT FROM
DAMAGE AND DEBRIS. ATTACHED TO THE SHAFT AT THE BOTTOM IS A FLOAT WHICH
IS ENCLOSED IN A BASKET, AND AT THE TOP OF THE SHAFT A CROWN. THE VERTICAL
NON-BINDING MOVEMENT OF THE SHAFT CAUSED BY THE RISING AND LOWERING OF THE
FLOAT ENABLES THE CROWN TO ACTIVATE THE ELECTROMAGNETIC RELAY BY PRESSING
AGAINST THE UPPER AND LOWER SINGLE CONTACT ELECTRICAL SWITCHES. THE
ELECTROMAGNETIC RELAY AND SINGLE CONTACT ELECTRICAL SWICHES AND CROWN
ARE LOCATED ON TOP OF THE FRAME AND ARE ENCLOSED IN A CAP COMPRISING OF A
HOLLOW RECTANGULAR BOX, AND SEALED TO KEEP THE ELECTROMAGNETIC RELAY,
SINGLE CONTACT ELECTRICAL SWITCHES, AND WIRES OUT OF THE WATER AND AWAY
FROM DETERIORATION.


Claims

Note: Claims are shown in the official language in which they were submitted.


THE EMBODIMENT OF THE INVENTION IN WHICH AN EXCLUSIVE PROPERTY OR
PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS.
1. A BILGE PUMP FLOAT UNIT FOR AUTOMATICALLY CONTROLLING THE OPERATION
OF A BILGE PUMP COMPRISING:
A FRAME COMPRISING TWO HORIZONTAL ARMS, EACH HAVING A PERPENDICULAR
OPENING, THE OPENING BEING COAXIAL; AND
A SHAFT DISPOSED WITHIN THE ARMS, THE SHAFT CONNECTED TO A CROWN
AND FLOAT, THE VERTICAL MOVEMENT OF THE FLOAT, SHAFT, AND CROWN
ACTIVATING THE ELECTROMAGNETIC RELAY, AND TWO SINGLE CONTACT
ELECTRICAL SWITCHES; WHICH
ARE COVERED BY A CAP COMPRISING OF A HOLLOW RECTANGULAR BOX.
2. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM?1, WHEREIN THE FRAME IS
BENT ANGULAR WITH TWO ARMS.
3. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 1, WHEREIN THE FRAME IS
STRUCTURALLY STRENGTHEN BY A RIB.
4. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 2, WHEREIN THE ARMS OF
THE FRAME ARE HORIZONTAL.
5. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 1, WHEREIN THE SHAFT
OPENINGS ARE COAXIAL AND PERPENDICULAR.
6. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 1, WHEREIN THE SHAFT
HAS A CROWN ON TOP AND A FLOAT ON THE BOTTOM.
7. A BILGE PUMP FLAOT UNIT AS CLAIMED IN CLAIM 6, WHEREIN THE MOVEMENT
OF THE CROWN, SHAFT, AND FLOAT IS VERTICAL.
8. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 6, WHEREIN THE MOVEMENT
OF THE SHAFT IS PREOTECTED BY AN ENCLOSE TUBE BETWEEN THE ARMS ALLOWING
THE SHAFT TO MOVE FREELY.

- 8 -
9. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 1, 6, OR 7, WHEREIN THE
FLOAT IS ENCLOSED BY A BASKET.
10. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 9, WHEREIN THE BASKET
BOTTOM CAN BE REMOVED.
11. A BILGE PUMP FLOAT UNIT FOR AUTOMATICALLY CONTROLLING THE OPERATION
OF A BILGE PUMP COMPRISING;
A FRAME BENT ANGULAR HAVING TWO HORIZONTAL ARMS, THE ARMS CONTAINING
OPENINGS WHICH ARE PERPENDICULAR AND COAXIAL; AND
A SHAFT WITH A CROWN AND FLOAT SLIDING FREELY VERTICALLY THROUGH THE
ARMS, WITH THE SHAFT BEING ENCLOSED BY A TUBE AND THE FLOAT BY A
BASKET.
12. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 1, WHEREIN THE SINGLE
CONTACT ELECTRICAL SWITCHES FOR THE ELECTROMAGNETIC RELAY ARE MOUNTED ON
TOP OF THE FRAME.
13. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 1, OR 12, WHEREIN THE
CAP COMPRISING OF A HOLLOW RECTANGLUAR PLASTIC TYPE BOX COVERS AND PROTECTS
THE ELECTROMAGNETIC RELAY AND SINGLE CONTACT ELECTRICAL SWITCHES MOUNTED
ON TOP OF THE FRAME.
14. A BILIGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 1, OR 12, WHEREIN THE
CAP COMPRISING OF A HOLLOW RECTANGULAR BOX IS DIVIDED INTO TWO
COMPARTMENTS.
15. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 1, WHEREIN ONE COMPARTMENT
CONTAINS THE ELECTROMAGNETIC RELAY SEALED IN A WATER TIGHT COMPOUND.
16. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 12, WHEREIN THE RISING
BILGE WATER CLOSES THE LOWER SWITCH COMPRISING OF A SINGLE CONTACT
ELECTRICAL SWITCH AND ACTIVATES THE ELECTROMAGNETIC RELAY.

17. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 15, WHEREIN THE RISING
BILGE WATER CLOSES THE UPPER SWITCH COMPRISING OF A SINGLE CONTACT ELECTRICAL
SWITCH AND ACTIVATES THE PUMP.
18. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 1, OR 12, WHEREIN THE
FALLING BILGE WATER OPENS THE LOWER SWITCH COMPRISING OF A SINGLE CONTACT
ELECTRICAL SWITCH AND DE-ACTIVATES THE PUMP AND DE-ACTIVATES THE
ELECTROMAGNETIC RELAY.
19. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 1, OR 13, WHEREIN THE
ELECTROMAGNETIC RELAY AND SINGLE CONTACT ELECTRICAL SWITCHES MOUNTED ON
TOP OF THE FRAME IN THE CAP COMPRISING OF A HOLLOW RECTANGULAR BOX ARE
MOUNTED ABOVE THE WATER.
20. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 1, WHEREIN THE FLOAT
AND BASKET ARE THE ONLY COMPONENTS IN CONTACT WITH THE WATER.
21. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 2, OR 3, WHEREIN THE UNIT?
IS MADE OF A PLASTIC MATERIAL.
22. A BILGE PUMP FLOAT UNIT AS CLAIMED IN CLAIM 6, OR 7, WHEREIN THE
CROWN, SHAFT, AND FLOAT BE MADE OF A PLASTIC MATERIAL.
23. A BILGE PUMP FLOAT UNIT FOR AUTOMATICALLY CONTROLLING THE OPERATION
OF A BILGE PUMP COMPRISING:
A FRAME BENT ANGULAR HAVING TWO HORIZONTAL ARMS, THE ARMS CONTAINING
OPENINGS WHICH ARE PERPENDICULAR AND COAXIAL; AND
A SHAFT WITH A CROWN AND FLOAT SLIDING FREELY VERTICALLY THROUGH THE
ARMS, WITH THE SHAFT BEING ENCLOSED BY A TUBE AND THE FLOAT BY A BASKET.
WHERE THE VERTICAL MOVEMENT OF THE FLOAT, SHAFT, AND CROWN ACTIVATE
AND DE-ACTIVATE THE ELECTROMAGNETIC RELAY CONTAINED ON A FRAME MADE
OF A PLASTIC MATERIAL, WITH ALL COMPONENTS MOUNTED ABOVE THE WATER
EXCEPT THE FLOAT AND BASKET.

Description

Note: Descriptions are shown in the official language in which they were submitted.


- ~ =
~ILGE PUMP FL0AT UNIT
~ 1334818
THE PRESENT INVENTION RELATES TO A FLOAT UNIT TO TURN A PUMP ON AND OFF,
AND MORE PARTICULARLY TO A BILGE PUMP FL0AT UNIT FOR TURNING A BILGE PUMP ON
AND Of F .
, IT IS COMMON IN DE~/ICES FOR TURNING alLGE PUMPS ON AND OFF TO HAYE A
MOVING ARM. THE MOVEMENT OF THE ARM IS DEPENDANT ON THE LEVEL OF THE WATER
RISING AND LOWERING IN THE BOATS BILGE. IT IS THE MOVEMENT OF THE ARM WHICH
CONrROLLES THE ON AND OFF ACTIVArlON OF THE BILGE PUMP. THE~SINGLE CONTACT
ELECTRICAL SWITCH IS CONTAINED INSIDE THE ARM OR BASE, SO AS THE WATER LEVEL
RISES THE WIRES AND THE ELECTRICAL SINGLE CONTACT SWITCH INSIDE THE ARM OR BASE
ARE THEN SUBMERGED BELOW THE LEVEL OF THE SURROUNDING WATER. THE ARM HAS AN
AXLE OR PIVOT POINT. DEVICES OF THIS TYPE ARE, HOWEVER INEFFICENT eECAUSE THE
ARM IS EXPOSED AND SUSCEPTIBLE TO DAMAGE CAUSED BY ACCIDENTAL KNOCKING INTO OR
DROPPING OF THERUNIT. THE AXLE OR PIVOT POINT TENDS TO BIND AFTER A PERIOD OF
USE DUE TO EXP0SURE TO DEBRIS CONTAINED IN THE WATER BEING MONITORED CAUSING
THE UNIT TO BECOME INOPERATIVE. THEY ARE MOREOVE2~ UNSAT;SFACTORY FOR THE
SEALS AROUND THE WIRES LEADING TO THE ELECTRICAL SINGLE CONTACT SWITCH INSIDE
THE ARM OR aASE WHICH TEND TO DETERIORATE AND LEAK CAUSING SHORTS, OPENS,
ELECTROLYSIS, AND MALFUNCTIONS.
WE HAVE FOUND THAT THESE DISADVANTAGES MAY BE OVERCOME BY REPLACING THE
ARM WITH A ROUND SHAFT. THE SHAFT MOVES VERTICALLY THROUGH A FRAME. THE SHAFT
IS ENCLOSED INSIDE A TUBE PROTECTING IT FROM DAMAGE AND DEBRIS. ATTACHED TO
THE BOTTOM OF THE SHAFT IS A FLOAT WHICH IS ENCLOSED BY A BASKET KEEPING IT
FREE FROM DAMAGE 8Y ACCIDENTAL KNOCKING INTO OR DROPPING OF THE UNIT. ON TOP
OF THE SHAFT IS A CROWN. THE CROWN CONTACTS THE UPPER AND LOWER SINGLE CONTACT
ELECTRICAL SWITCHES. THE ELECTROMAGNETIC RELAY, SINGLE CONTACT ELECTRICAL
SWITCHES, AND CROWN ARE ENCLOSED IN A PROTECTIVE CAP, COMPRISING OF A HOLLOW
RECTANGULAR BOX ON TOP OF THE FRAME. THE ELECTROMAGNETIC RELAY, SINGLE CONTACT
ELECTRICAL SWITCHES, AND WIRES ARE SEALED WITHIN THE CAP, THEREBY NEVER HAVING
THESE IN CONTACT WITH OR SUBMERGED UNDER THE SURROUNDING WATER BEING MONITORED.
IT IS DESIREABLE TO HAVE A FLOAT UNIT FOR TURNING A PUMP ON AND OFF,
WHICH IS NOT SUBMERGED UNDER THE WATER. THE PRESENT INVENTION RELATES TO A
FLOAT UNIT WHICH ACTIVATES A PUMP UNIT WITHOUT THE SEALS, WIRES~ OR PUMP
OPERATING COMPONENTS aEING SUBMERGED UNDER THE WATER.
THE PRESENT INVENTION CONSISTS OF A FLOAT UNIT TO ACTIVATE A PUMP. IN
ONE ASPECT OF THE INVENTION, THE UNIT COMPRISES A FRAME BENT ANGULARLY~ EACH ARMHAVING A OPENING. THE ARMS ARE PARALLEL. THE OPENINGS ARE ROUND. THE OPENINGS
ARE PARALLEL AND PERPENDICULAR TO THE ARMS. THE OPENINGS FORM A AXIAL HOUSING
FOR THE SHAFT.
THE UPPER ARM CONSISTS OF TWO OPENINGS. THE OPENINGS ARE RECTANGULAR.
~0 THE OPENINGS ARE PERPENDICULAR TO THE ARM. THE OPENINGS ARE SPACED APART TOLOCATE THE CAP. THE UPPER ARM CONSISTS OF ANOTHER OPENING, ROUND AND PERPENDICULAR
TO THE ARM. THIS OPENING IS TO HOUSE A FASTENING DEVISE TO SECURE THE CAP TO
THE UPPER ARM. THE UPPER ARM HAS A NOTCH PROTRUDING UPWARD FROM THE UPPER ARM.
THIS IS TO LOCATE THE SWITCH PILLAR. THE ARMS ARE PREFERABLY MADE OF A PLASTIC
MATERIAL.
( )

13~818
IN THIS ASPECT THE UPPER ARM HAS AN INDENTATION, THE INDENTATION IS ROUND.
THE INDENTATION1$~ CONCENTRIC WITH THE ROUND OPENING FOR THE SHAFT. THE
INDENTATION IS OF A SIZE TO ACCOMMODATE THE TUBE. THE INDENTATION IS OF A DEPTHTO LOCATE THE TUBE. THE LOWER ARM HAS AN INDENTATION, THE INDENTATION IS ROUND.THE INDENTATION IS CONCENTRIC WITH THE ROUND OPENING FOR THE SHAFT. THE
INDENTATION IS OF A 5IZE TO ACCOMMODATE THE TUBE. THE INDENTATION IS OF A DEPTHTO LOCATE THE TUBE.
THE FLOAT UNIT COMPRISES A TUBE. THE TUBE IS ROUND. THE TUBE HA5 AN
OPENING CONCENTRIC WITH THE OUTSIDE. THE OPENING IS ROUND. THE OPENING IS OF
A SIZE TO ACCOMMODATE THE SHAFT. THE TUBE IS OF A LE~6TH TO FIT IN THE INDENTATION
IN THE UPPER ARM AND THE INDENTATION IN THE LOWER ARM. THE TUBE IS TO PROTECT
THE SHAFT FROM DEBRIS AND DAMAGE. THE TUBE 1~ PREFERABLr MADE OF A PLASTIC
MATERIAL.
IN ANOTHER ASPECT OF THE INVENTION THE FLOAT UNIT COMPRISE5 A SHAFT WITH
A CROWN, THE SHAFT SLIDING FREELY THROUGH THE ARMS. THE 3HAFT IS SECURED TO THEFLOAT. THE FLOAT CONSISTS OF AN ENCLOSED DOME WITH AN OPENING CONCENTRIC WITHC
THE OUTER EDGES FOR THE PIN OF THE SHAFT. THE OPENING IS ROUND. THE OPENING
IS OF SUCH A SIZE TO MAKE A SNUG FIT FOR THE PIN OF THE SHAFT. THE FLOAT MOVES
THE SHAFT UP AND DOWN. THE CROWN OF THE SHAFT EXTENDS ABOVE THE UPPER ARM INTO
THE CAP. THE CROWN ACT~VATES THE ELECTRONICS ON THE SWITCH PILLAR. THE
ACTIVATION OF THE ELEETRON1CS WILL TURN THE ~UMP ON AND OFF.
IN ANOTHER ASPECT OF THE INVENTION, THE FLOAT UNtT COMPRISES A BA~KET.
THE BASKET IS ROUND. THE BASKET HAS A TOP COVER, THE TOP COVER IS ROUND. THE
TOP COVER HAS AN OPENING, THE OPEN~NG IS ROUND. THE OPENING IS CONCENTRIC WITH
THE DIAMETER OF THE UPPER COVER. THE OPENING 15 ~F A -~IZE TO ACCOMMODATE THE
SHA~T. THE OPENING IS PERPENDICULAR TO THE TOP COVER. THE TOP COVER HAS ANOTHER -
OPENING, THE OPENING IS ROUND AND PERPENDICULAR TO THE TOP COVER. THE~OPENING
IS OF A SIZE TO ACCOMMODATE A FASTENING DEVISE TO SECURE THE BASKET TO THE LOWERARM. THE OPENING IS LOCATED BETWEEN THE OPENING FOR THE SHAFT AND THE EDGE OF
THE UPPER COVER. THE TOP COVER HAS A HOOK LOCATED ON THE TOP OF THE TOP COVER.
THE HOOK IS OF A SIZE TO HOOK THE BASKET TO THE LOWER AR~ BETWEEN THE RIBS OF
THE LOWER ARM. THE HOOK IS LOCATED IN A POSITION THAT IT IS IN HORIZONTAL PLANEINTERSECTIN6 THE VERTICAL PLANE OF THE OPENING FOR THE SHAFT AND THE OPENIG FOR
THE FASTENING DEVISE. THE HOOK IS LOCATED IN A POSITION SO THAT WHEN THE BASKETIS IN PLA~E THE OPENING IN THE TOP COVER IS CONCENTRIC WITH THE OPENING IN THE
LOWER ARM. ~
THE SIDES OF THE BASKET HAS A NUMBER OF EQUALLY SPACED OPENINGS. THE
OPENINGS ARE ELONGATED, AND PERPENDICULAR TO THE SIDES. THE OPENINGS ARE VERTICAL.
THE OPENINGS EXTEND FROM A DISTANCE FROM THE TOP EDGE OF THE SIDE TO A DISTANCE
FROM THE BOTTOM EDGE OF THE SIDE. THE OPENINGS ALLOW WATER TO ENTER THE BASKET
TO MOVE THE FLOAT UP AND DOWN.
ANOTHER ASPECT OF THE BASKET SIDE IS ANOTHER OPENING, THE OPENING IS
LOCATED A DISTANCE FROM THE BOTTOM EDGE OF THE 3IDE. THE OPENING IS ELONGATED
AND PERPENDICULAR TO THE SIDE. THE OPENING IS HORIZONTAL. THE OPENING IS OF
A SI~E TO ACCOMMODATE THE TAB PROTRUDING FROM THE TOP OF THE BOTTOM COVER.
THE BASKET HAS A TAB PROTRUDING FROM THE SIDE, THE TAB IS PARALLEL WITH
THE TOP AND BOTTOM EDGES OF THE SIDE. THE TAB IS EVEN WITH THE BOTTOM DDGE OF
THE SIDE. THE TAB IS LOCATED ON THE OPPOSITE SIDE OF THE ELONGATED OPENING
FOR THE TAB FROM THE TOP OF THE BOTTOM COVER. THE TAB SECURES THE BOTTOM COVER
TO THE BASKET WHEN A CLIP IS SLIPED OVER.
~,~
. .
(2)

1~3~18
THE BASKET HAS A BOTTOM COVER. THE BOTTOM COVER IS ROUND AND PARALLEL.
THE T~OM COVER HAS A TAB EXTENDING FROM THE TOP`OF THE BOTTOM COVER. TWE TAB
IS OF A SIZE TO ENGAGE THE OPENING IN BOTTOM OF THE SIDE. THE BOTTOM COVER HAS
ANOTHER TAB EXTENDING FROM THE BOTTOM OF THE BOTTOM COVER. THE TAB IS LOCATED
ON THE OPPOSITE SIDE OF THE DIAMETER OF THE TAB EXTENDING FROM THE TOP OF THE
BOTTOM COVER. THE TAB IS TO SECURE THE BOTTOM COVER TO THE TAB EXTENDING FROM
THE 80TTOM OF THE SIDE OF THE BAS~ET. THE BOTTOM COVER IS REMOVABLE FOR PERIODICAL
CLEANING.
IN ANOTHER ASPECT OF THE INVENTION, A BILGE PUMP FLOAT UNIT COMPRISES A
CAP. THE CAP CONTAINS A ROUND OPENING ANGULAR TO THE CAP AND PERPENDICULAR TO
THE OPENING IN THE UPPER ARM. THE OPENING WILL ALLOW A SECURING DEVISE TO PASS
THROUGH ro THE UPPER ARM OPENING TO SECURE THE CAP TO THE UPPER ARM. THE CAP ISOF A 512E TO COVER THE ELECTRONICS AND TO LIMIT THE SLIDING OF THE SHFT. THE CAP
IS SECURED TO THE UPPER ARM WITH A SEALING DEVICE eETWEEN THE CAP BOTTOM EDGE
AND THE TOP SURFACE OF THE ~PPER ARM, TO PREVENT W~TER SEEPAGE.
THE CAP HAS A WALL. THE WALL EXTENDS FROM THE IN~IDE SURFACE OF THE TOP
OF THE CAP TO THE BOTTOM EDGE OF THE CAP. THE WALL H~S ~N OPENING TO ACCOMMODATE
THE SWITCH PILL~R. THE WALL EXTENDS FROM THE INSIDE SURFACE OF THE FRONT SIDE
TO THE INSIDE SURFACE OF THE B~CK SIDE. THE WALL DIVIDES THE CAP INTO TWO
COMPARTMENTS ALLOWING THE COMPARTMENT WITH THE ELECTRONICS TO BE FILL WITH A
WATER TIGHT SEAL COMPOU~D TO ~EAL THE ELECTRONIC COMPONENTS FROM MOISTURE.
ANOTHER ASPECT OF THE CAP IS THREE EQUALLr SPkCED OPENINGS NEAR THE TOP
OF THE BACK WALL. THESE OPENINGS ARE ANGULAR AND PARALLEL WITH EACH OTHER.
THE OPENINGS ARE ROUND AND OF A SIZE TO ACCOMMODATE THE WIRES FOR THE ELECTRONICS.
IN A FURTHER EMBODIMENT OF THE INVENTION, A BILGE PUMP FLOAT UNIT COMPRISE~
A RESILIENT PLASTIC-FRAME HAVING A INTEGRAL THERWITH TWO ANGULAR PARALLEL PLASTIC
ARMS. THE FRAME HAS A HEAD ANO TWO PARALLEL LONGITUDINAL ARMS CONNECTED TO THE
HEAD. EACH OF THE ARMS HAS A PORTION DEFINING A ACCURATE OPENING. THE OPENINGSARE COAXIAL AND A SHAFT SLIDES FREELY THROUGH THE OPENINGS.
THE SHAFT IS INTE6RAL WITH, AND CONNECTED TO THE FLOAT, BELOW THE LOWER
ARM. THE SHAFT IS DISPOSED WITHIN THE FRAME. THE SHAFT IS ROUND ~ND COMPRISES
A CROWN AND PIN. THE PIN IS OF A SIZE TO FIT INTO THE FLOAT. THE SHAFT IS OF
A LENGTH EXTENDING BELOW THE LOWER ARM, THE SHAFT IS OF A LENGTH EXTENDING BELOWTHE LOWER ARM AND ALLOWING A MOVEMENT VÇ~TICALLY UP AND DOWN OF A PREDETERMINED
DISTANCE. THE MOVEMENT OF THE FLOAT AND THE SHAFT IN THE CAP ACTIVATE THE ELECTRONICS
IN THE CAP, TO ACTIVATE ~ PUMP UNIT.
THE FRAME HAS A RIB EXTENDING. THE RIB IS ANGULAR AND PARALLEL WITH THE
FRAME AND ARMS AND GIVES THE FRAME STRUCTURAL STRENGTH.
WITH THE TOGGLE SWITCH IN THE AUTOMATIC POSITION AND INSUFFICIENT WATER
IN THE BILGE TO RAISE THE FLOAT, THE RELAY IS DE-ENERGIZED, WPPER AND LOWER
CONTACTS ARE OPEN. THE LOWER CONTACT IS HELD OPEN BY THE LIP ON THE CROWN OF THESHAFT. THE POWER IS Dl5CONNECTED FROM THE BILGE PUMP BY OPEN CONTACT AND OPEN
RELAY CONTACT.
WATER ENTERS THE BILGE, RAISING THE FLOAT, LOWER CONTACT CLOSES ~
CONNECTS POWER TO ONE SIDE OF RELAY COIL SETTING UP A PATH THROUGH THE COIL TO
THE UPPER CONTACT. ~HEN THE FLOAT RAISES HIGH ENOUGH THE TOP OF THE LIP OF THE
FLOAT SHAFT CLOSES THE UPPER CONTACT. THIS CONTACT CLOSING COMPLETES THE CIRCUITTHROUGH RELAY COIL TO POWER NEGETIVE. RELAY ENERGIZES AND IS HELD CLOSED BY ITS
CONTACT. THIS IS REQUIRED FOR WHEN THE WATER LEVEL LOWERS AND THE UPPER CONTACT
._,,~
(3)

~33~818
OPE~ THE CIRCUIT TO THE BILGE PUMP CLOSED THROUGH THE RELAY CONTACT WHEN THE
REL~ENERGIZED AT THE TIME WHEN THE UPPER CONTACT CLOSED. WHEN THE WATER LEVEL
LOWERS AND THE FLOAT OPENS LOWER CONTACT THIS OPENS THE CIRCUIT TO THE RELAY WHICH
REMOVES POWER FROM THE RELAY. IT DE-ENERGIZES AND POWER IS REMOVED FROM THE BILGE
PUMP IN ORDER TO OPERATE THE PUMP AGAIN THE WATER LEVEL MUST RISE UNTIL THE
FLOAT SHAFT CLOSES THE UPPER CONTACT. THEREFORE FALSE INTERMITTENT OPERATION OFTHE PUMP IS PREVENTED.
THE INVENTION, AS EXEMPLIFIED BY A PERFERRED EMBODIMENT, DESCRIBED WITH
REFERENCE TO DRAWINGS IN WHICH
FIGURE t IS A PERSPECTIVE VIEW OF AN EMBODIMENT OF A BILGE PUMP FLOAT
UNIT OF THE INVENTION;
AND
FIGURE 2 IS A ASSEMBLY VIEW OF THE BIPGE PUMP FLOAT UNIT SHOWN IN FIGURE 1
AND
FIGURE 3 IS A FRONT VIEW OF THE BILGE PUMP FLOAT UNIT SHOWN IN FIGURE 1
AND
FIGURE 4 IS A CROSS SECTION OF THE FRONT VIEW OF THE BILGE PUMP FLOAT UNIT
SHOWN IN FIGURE 3
FIGURE 5 IS A CROSS SECTION OF THE BILGE PUMP UNIT SHOWN IN FIGURE 1
AND
FIGURE 6 IS A PERSPECTIVE VIEW OF AN EMBODIMENT OF THE ELECTRONICS OF THE
BILGE PUMP FLOAT UNIT SHOWN IN FIGURE 1
AND
FIGURE 7 IS A SCHEMATIC DIAGRAM OF THE ELECTRONICS OF THE BILGE PUMP FLOAT
UNIT SHOWN IN FIGURE 6.
REFERRING TO THE DRAWINGS, THE EMBODIMENT OF THE INVENTION SHOWN~ A BILGE
PUMP FLOAT UNIT 10 COMPRISES A FRAME 12. THE FRAME HAS A HEAD 14. AS MAY BE
SEEN IN Fl6URE 2 TWO LONGITUDINAL ARMS 16, 18 ARE CONNECTED TO THE HEAD. A RIB
20 EXTENDS FROM THE FRAME. THE RIB ADDS STRUCTURAL STRENGTH TO THE FRAME. THE
ARMS ARE PARALLEL TO ONE ANOTHER.
EACH OF THE ARMS HAS A PORTION 22, 24 DEFINING A OPENING 26, 28. THE
OPENINGS ARE COAXIAL WITH EACH OTHER. THE OPENINGS ARE ARCUATE AND OF A SIZE
TO ACCOMMODATE A SHAFT 100.
THE END OF THE UPPER ARM 16 HAS A OPENING ANGULAR TO THE ARM, TO ENGAGE
THE LOWER TAB 31 OF THE CAP 34. THE UPPER ARM ALSO CONSISTS OF ANOTHER OPENING
TO ENGAGE THE UPPER TAB 32 OF THE CAP 34. THESE OPENINGS ARE RECTANGULAR AND
ANGULAR TO THE UPPER ARM. THE UPPER ARM CONSISTS OF A ROUND OPENING 33 WHICH ISANGULAR TO THE UPPER ARM, THE OPENING IS OF A SIZE TO ACCOMMODATE A FASTENING
DEVISE.
THE UPPER ARM 16 HAS AN INDENTATION 67, WHICH IS CONCENTRIC WITH THE
OPENING 26. THE INDENTATION IS ANGULAR TO THE UPPER ARM. THE INDENTATION IS
ROUND, AND OF A SIZE TO ACCOMMODATE THE TU8E 69. THE INDENTATION IS OF A DEPTH
TO LOCATE THE TUBE 69.
(4)
. .",,f

1~3~18
~ THE HEAD OF THE FRAME 12 COMPRISES OF TWO OPENINGS 13~ 15. THESE
OPE~GS ARE ANGULAR TO THE HEAD AND PARALLEL TO ONE ANOTHER. THE OPENINGS ARE
ROUND AND OF A SIZE TO ACCOMMODATE A FASTENING DIVISE, AS MAY BE SEEN IN FIGURE
3. THE FRAME IS MADE OF A RESILIENT MATERIAL.
THE LOWER ARM 18 HAS AN INDENTATION 68 WHICH IS CONCENTRIC WITH THE
OPENING 28. THE INDENTATION IS ANGULAR TO THE ARM. THE INDENTATION IS ROUND
AND OF A SIZE TO ACCOMMODATE THE TUBE 69. THE INDENTATION IS OF A DEPTH TO LOCATE
- THE TUBE 69. THE LOWER ARM 18 HAS ANOTHER OPENING 153. THE OPENONG IS ROUND
AND PERPENDICULAR TO THE LOWER ARM. THE OPENING IS OF A SIZE TO ACCOMMODATE A
FASTENING DEVISE.
THE SHAFT IS PREFERABLY MADE OF A RESILIENT MATERIAL. THE SHAFT 100 IS
SECURED TO THE FLOAT 89. THE FLOAT CONSISTS OF AN ENCLOSED DOME, ANGULAR AND
PARALLEL. THE FLOAT HAS AN OPENING 87 OF A SIZE TO ACCOMMODATE THE PIN 86. THESHAFT IS ROUND AND HA5 A CROWN 102 ON TOP OF THE SHAFT AND A PIN 86 ON THE 80TTOM
OF THE SHAFT, AS CAN ~E SEEN IN FIGURE 5.
THE CROWN 102 ON TOP OF THE S~IAFT 100 IS ROUND AND ANGULAR. THE CROWN IS
LARGER IN DIAMETER THEN THE OPENING ~N ~HE UPPER ARM. THE CROWN HAS A LIP 104
EXTENDING OUT FROM THE CROWN. THE LIP OF THE CROWN IS PERPENDICULAR AND PARALLEL
TO THE CROWN. THE LIP IS PLACE IN A POSITION 8ETWEEN THE TOP AND THE BOTTOM EDGE
OF THE CROWN.
THE TUBE 69 IS ROUND. THE TUBE IS ANGULAR AND PERPENDICULAR. THE TUBE
HAS AN OPENING CONCENTRIC TO THE DIAMETER OF THE TUBE, AND OF A SIZE TO
ACCOMMODATE THE SHAFT 100. TRE LENGTH OF THE TUBE 69 IS EQUAL TO THE DISTANCE
BETWEEN THE INTERIOR EDGES OF THE INDENTATIONS 67, 68.
THE CAP 34 LOCATED ON THE TOP OF THE UPPER ARM IS ANGULAR WITH TWO TABS
EXTENDING DOWNWARD. THE TA~S ARE ANGULAR AND PARALLEL TO EACH OTHER. THE CAP
CONSISTS OF AN OPENING 22. THE OPENING IS ROUND AND ANGULAR ro THE CAP. THE
OPENING 22 IS PERPENDICULAR AND PARALLEL TO THE OPENING 33 IN THE UPPER ARM.
THE WIDTH OF THE TABS 31, 32 ARE LESS THAN THE DI~TANCE 8ETWEEN THE INTERIOR
EDGES OF THE OPENINGS 37, 38 IN THE UPPER ARM. THE LENGTH OF THE TABS IS EQUAL
TO THE THICKNESS OF THE FRAME 12. THE THICKNESS OF THE TA8S 31, 32 ARE LESS THAN
THE INTERIOR EDGES OF THE OPENINGS 37, 38 IN THE UPPER ARM.
THE CAP HAS A WALL 200. THE WALL IS PARALLEL AND PERPENDICULAR. THE WALL
200 IS OF A WIDTH EQUAL TO THE DISTANCE/BETWEEN THE INTERIOR EDGES OF THE CAP
34. THE WAr~L 200 IS OF A HEIGrH EQUAL TO THE DISTAN0E BETWEEN THE INTERIOR TOPEDGE OF THE CAP AND THE BOTTOM EDGE OF THE CAP. THE WALL HAS AN OPENING. THE
OPENING IS OF A WIDTH TO ACCOMMODATE THE SWITCH PILLAR 41. THE OPENING IS PARALLEL
AND ANGULAR.
THE CAP HAS THREE OPENINGS. THE OPENINGS 170 ARE ROUND. THE OPENINGS
ARE PARALLEL WITH EACH OTHER AND LOCATED A DISTANCE FROM THE TOP EDGE OF THE
CAP. THE OPENINGS ARE ANGULAR TO THE CAP. THE OPENINGS ARE LOCATED ABOVE THE
TAB 32 IN THE BACK WALL OF THE CAP. THE OPENINGS ARE OF A SIZE TO ACCOMMODATE
THE WIRES OF THE ELECTRONICS LOCATED IN THE CAP.
THE SWITCH PILLAR 41 IS ANGUL~R. THE SWITCH PILLAR 41 IS SQUARE. THE
PILLAR HAS AN OPENING, THE LENGTH OF THE PILLAR~ THE OPENING 43 IS ROUND. THEPILLAR HAS TWO GROOVES. THE GROOVES ARE ANGULAR AND PARALLEL TO EACH OTHER.
THE GROOVES 45, 46 FORM HOUSINGS FOR THE SWITCHES. THE LENGTH OF THE PILLAR IS
EQUAL TO THE INTERIOR SIDE OF THE TOP OF THE CAP TO THE BOTTOM EDGE OF THE CAP.
~_~ (5)

1334~18
THE UPPER ARM 16 HAS A NOTCH EXTENDING UPWARD FROM THE UPPER ARM. THE
NOTCH IS ANGULAR AND PARALLEL. THE NOTCH IS OF A SIZE THAT THE INTERIOR EDGE
OF THE NOTCH 73 19 NOT LESS THAN THE SIZE OF THE SWITCH PILLAR 41. THE NOTCH
IS OF A HEIGTH AS TO LOCATE THE PILLAR.
THE UPPER COVER 150 OF THE BASKET 149 IS OF A DIAMETER EQUAL TO THE OUTSIDE
DIAMETER OF THE BASKET t49. THE UPPER COVER 150 HAS AN OPENING t51 CONCENTRIC
WITH THE DIAMETER OF THE UPPER COVER, THE OPENING IS OF A SIZE THAT TO ACCOMMODATE
THE SHAFT 100, TO SLIDE FREELY, THE OPENING IS ROUND AND ANGULAR TO THE TOP COVER.
THE TOP COVER HAS ANOTHER OPENING 152. THE OPENING IS ROUND AND PERPENDICULAR
TO THE TOP COVER. THE OPENING IS PERPENDICULAR TO THE OPENING 153 IN THE LOWER
ARM. THE OPENING IS OF A SIZE TO ACCOMMODATE A FASTENING DEVI~E,~ THE TOP COVERt50 HAS A HOOK 15~ LOCATED ON TOP OF THE TOP COVER. THE HOOK IS OF A LENGTH LESS
THAN THE DISTANCE BETWEEN THE INTERIOR EDGES OF THE RIBS 20 ON THE LOWER ARM 18.THE HOOK IS OF A HEIGTH EQUAL TO THE THICKNESS OF THE EXTERIOR EDGES OF THE
THICKNESS OF THE LOWER ARM 18. THE WIDTH OF THE HOOK 154 IS OF A DISTANCE SUFFICIENT
TO SECURE THE BASKET TO TH LOWER ARM, THE HQOK IS LOCATED IN A POStTION THAT
WHEN THE 8ASKET IS IN PLACE THE OPENING 151 IS CONCENTRIC WITH THE OPENING 28 INTHE LOWER ARM, AND THE OPENING 152 IS PERPENDICULAR TO THE OPENING 153 IN THE L
LOWER ARM,
THE BASKET 149 IS OF A SIZE TO ACCOM~ODATE THE FLOAT 89, THE 8ASKET HAS
A NUMBER OF EQUALLY SPACED OPENINGS 160, THE OPENINGS ARE ELONGATED AND ANGULAR.THE OPENINGS ARE VERTICAL AND EXTENDING FROM A DISTANCE FROM THE TOP EDGE OF THEBASKET TO A DISTANCE FROM THE BOTTOM EDGE OF THE BASKET, THE 8ASKET IS ROUND,
THE BASKET IS OF A HEIGTH TO ACCOMMODATE THE FLOAT AT ITS LOWEST POSITION. THE
8ASKET 149 HAS ANOTHER OPENING 155. THE OPENING IS ELONGATED AND ANGULAR. THE
OPENING IS LOCATED AT A DISTANCE FROM THE BOTTOM EDGE OF THE BASKET. THE BASKET
HAS A TAB 156 EXTENDING FROM THE BOTTOM EDGE OF THE BASKET. THE TAB 156 IS ANGULAR
AND PARALLEL~ AND EVEN WITH THE BOTTOM EDGE OF THE BAS~ET. THE TAB IS OF A 51ZE
TO ACCOMMODATE A CLIP OF A DETERMINED SIZE.
THE BASKET 149 HAS A BOTTOM COVER 157, THE BOTTOM COVER IS ROUND AND
PARALLEL AND OF A DIAMETER LESS THAN THE INSIDE DIAMETER OF THE 8ASKET 149, THE
BOTTOM COVER HAS A TAB 158 EXTENDING FROM THE TOP OF THE BOTTOM COVER, THE TAB
IS OF A WIDTH LESS THAN THE D55TANCE BETWEEN THE INTERIOR EDGES OF THE ELONGATEDOPENING IN THE BOTTOM 91DE OF THE BASKET 155, THE TAB 158 IS OF A HEIGTH LESS
THAN THE DISTANCE BETWEEN THE INTERIOR ~DGES OF THE OPENING 155, THE TAB IS OF
A LENGTH TO PROTRUDE THROUGH THE OPENING 155 TO THE OUTSIDE D~AMETER OF THE BASKET,
THE BOTTOM COVER HAS ANOTHER TAB 159, THE TAB EXTENDS FROM THE 80TTOM OF THE
BOTTOM COVER, THE TAB IS LOCATED ON THE OPPOSITE SIOE OF THE DIAMETER OF THE
TAB 158. THE TAB IS ANGULAR AND PARALLEL, THE TAB 159 IS 0~ A SIZE EQUAL TO
THE TAB 156.
THE FLOAT UNIT OF THIS INVENTION IS PREFERABLY MADE OF A HARD RESILIENT
PLASTIC WHICH CAN BE MOULDED, SUCH A MATERIAL IS ~NALTERABLE AND SUFFICIENTLY
FLEXIBLE.
A FEATURE OF THE FLOAT UNIT OF THIS INVENTION IS ITS ABLITY TO BE FASTENED
ABOVE THE WATER TO ACTIVATE A PUMP UNIT. AS THE FLOAT~ SHAFT AND CROWN ARE FORCED
UPWARD WITH THE RISING WATER IN THE BILGE OF THE BOAT, THE LIP ON THE CROWN
ACTIVATES THE SWITCHE9 ON THE SWITCH PILLAR- THESE SWITCHE~ THEN ACTIVATE THE
PUMP UNIT. THEREFORE KEEPING ALL ELECTRONICS OUT AND ABOVE OF THE WATER.
(6)
~=J

Representative Drawing
A single figure which represents the drawing illustrating the invention.
Administrative Status

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Event History

Description Date
Inactive: IPC from MCD 2006-03-11
Time Limit for Reversal Expired 1998-03-23
Letter Sent 1997-03-21
Grant by Issuance 1995-03-21

Abandonment History

There is no abandonment history.

Owners on Record

Note: Records showing the ownership history in alphabetical order.

Current Owners on Record
LLOYD T. RUSSELL
WERNER B. ZEITNER
Past Owners on Record
None
Past Owners that do not appear in the "Owners on Record" listing will appear in other documentation within the application.
Documents

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Document
Description 
Date
(yyyy-mm-dd) 
Number of pages   Size of Image (KB) 
Drawings 1995-03-30 5 116
Claims 1995-03-30 3 87
Abstract 1995-03-30 1 26
Representative Drawing 2003-03-20 1 13
Descriptions 1995-03-30 6 383
Notice: Maintenance Fee Reminder 1997-12-22 1 119
PCT Correspondence 1988-12-29 1 36
Courtesy - Office Letter 1989-01-18 1 29
Prosecution correspondence 1994-11-07 1 18
PCT Correspondence 1994-12-27 1 29
Prosecution correspondence 1994-06-28 1 31
Examiner Requisition 1994-05-03 2 63
Examiner Requisition 1993-10-14 2 94
Prosecution correspondence 1993-06-24 2 46
Courtesy - Office Letter 1993-05-12 2 59
Courtesy - Office Letter 1993-03-08 2 66
Prosecution correspondence 1993-02-15 3 106
Examiner Requisition 1992-11-29 1 72
Prosecution correspondence 1991-09-18 2 46
PCT Correspondence 1990-03-20 1 30
Examiner Requisition 1991-03-21 2 102