[특허]Temporary signpost support sleeve and tool for unsetting same

[미국특허] Temporary signpost support sleeve and tool for unsetting same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F16M-013/00
출원번호	US-0263878 (1981-05-15)
발명자 / 주소	Litwiller Donald D. (Eureka IL)
출원인 / 주소	Compass Enterprises, Inc. (Peoria IL 02)
인용정보	피인용 횟수 : 30 인용 특허 : 7

초록 ▼

A signpost support sleeve comprises an upwardly open upright socket member having a horizontal footplate across the bottom, and a vertical spike on the underside of the footplate. A special unsetting tool is driven beneath the plate to apply a removing force directly to the sleeve. In the embodiment shown, the socket member has a square recess for a square post having a forwardly extending, cantilever cross arm to which an appropriate sign is fastened. The footplate is generally rectangular. It extends cantileverly forwardly and bears foot-like against the ground to keep the post from leaning forwardly under the weight of the cross arm and sign. The unsetting tool comprises an L-shaped lever having a tooth at one end engageable with one of three underside openings along the rear edge of the footplate. The openings on the underside of the footplate serve the dual function of providing drain openings for the socket member recess and providing a choice of seats for the tooth at the end of the unsetting tool. A hammer lug is fastened across the tool behind the tooth. The lug can be hammered to drive the tool beneath the footplate to align the tooth with one of the openings. The sleeve is then lifted out of the ground by prying the tool about the hammer lug acting as a fulcrum against the ground.

대표청구항 ▼

The combination of a post support sleeve temporarily settable in the ground having a vertically elongated, upwardly open socket number with an upwardly open recess extending along a vertical axis adapted to receive the lower end portion of a post which has a forwardly extending cantilever crossbar, a stabilizing footplate fastened across the bottom end of said socket member and extending cantileverly forwardly therefrom to stabilize the sleeve against forward tilting dislocation under the forward overhanging weight of the crossbar, and a spike fastened to the underside of said horizontal footplate and extending downwardly along the vertical axis of said socket member, and unsetting means for removing the sleeve after the spike has been driven into the ground up to the footplate, comprising: (a) a first interlocking means on the underside of the footplate at the rear end thereof; (b) a generally L-shaped lever with a relatively long vertical arm and a relatively short horizontal arm interconnected at a bend; (c) a hammer lug relatively wider than the lever fastened outwardly across the backside of the lever at the bend in position for engagement by a hammer to drive the forward end of the short arm into the ground beneath the rear end of said footplate; and (d) a second interlocking means on the upper side of the forward end of said short arm being dimensioned and proportional to engage said first interlocking means on the underside of the footplate when driven into the ground by hammer blows on said hammer lug; whereby, after the spike has been driven into the ground to set the sleeve, it can be unset by blows applied to the hammer lug to drive the forward end of the short arm into the ground beneath the sleeve to engage said first and second interlocking means followed by pulling the long arm to rotate the lever about the hammer lug acting as a fulcrum against the ground while the forward end of the footplate acts as a fulcrum for the footplate against the ground to hold the socket member substantially erect during initial loosening of the spike.

이 특허에 인용된 특허 (7) 인용/피인용 타임라인 분석

Bourque George O. (665 Jackson Ave. Winter Park FL 32789), Crossarm yard sign support.
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Herrmann Edgar R. (1431 Cottage St. ; NE. Salem OR 97303), Manhole cover lifter.
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Cvetan ; Joseph, Post support.
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Black John W. (1940 Papago Sheridan WY 82801), Removable sign post holding apparatus.
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Migliano Clemente A. (1764 Slocum St. Hewlett NY 11557), Scooter jack.
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Barth Duane D. (Burnsville MN), Sign post.
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Ottoson, James A., Signpost with means and method for installing and removing the same.
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이 특허를 인용한 특허 (30) 인용/피인용 타임라인 분석

Chambers,Bryan, Anchor assembly for a road post.
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Claffey Paul J. (1013 Calloway Hurst TX 76053), Anchor device.
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Savoia, David Anthony, Apparatus and method for securing posts to retaining walls.
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Wink,Dwayne, Apparatus and method for supporting roll-up safety fencing.
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Warnes, Mylan D.; Warnes, Sue M., Apparatus for interior signpost support.
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Gellos Todd A. ; Walker Kenneth R., Container securement apparatus.
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Pounders, Joel, Deployable collapsible indoor-outdoor sign assembly.
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Calle, Jonathan S., Device for creating a footing.
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Calle, Jonathan S., Device for creating a footing.
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Parduhn A. Philip (14501 Wilson Rd. Edmond OK 73034), Golf bag support.
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Kempf Brian J., Lockable screw post apparatus.
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Erwin, Ronald D., Mailbox post assembly.
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Calle, Jonathan S., Methods for creating footings.
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Ellingson, Robert T., Modular signpost system.
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DesNoyers Daniel P., Outdoor support post apparatus.
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DesNoyers Daniel P. (Mocksville NC) Greer Michael E. (Winston-Salem NC) Aguallo Albert J. (Mocksville NC), Outdoor support post apparatus.
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Moraly Paul (168-170 ; rue Victor Hugo 93110 Rosny Sous Bois FRX), Peg for fixing posts or stakes in the ground.
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Nobert,David T.; Plunkett,Robert, Portable, displaceable anchor stand.
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Miceli Daniel (Bristol CT), Post support.
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Mills Derek J. (South Glamorgan GB7), Post support.
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Wadsworth, George William, Post support apparatus and method of use.
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Bolinder, Bruce; Bolinder, Joe, Removable sign support system.
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Bolinder,Bruce; Bolinder,Joe, Removable sign support system.
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Dumontier, Raymond, Sign post.
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Allen,Todd, Sign post assembly and method for the same.
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Belamiza Alexander (8717 Birch Dr. #323 LaVista NE 68128), Signpost support bracket.
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Obenshain James R. (Peebles OH), Stake supported mailbox post.
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Warnes, Mylan D.; Warnes, Sue M., Support for a signpost.
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Cho Donald D. (823 Milton Rd. Inverness IL 60067), Umbrella coupler and accessories thereto.
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Woolstenhulme, Roger, Yard sign anchor and stabilizer.
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A	생활필수품
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[미국특허] Temporary signpost support sleeve and tool for unsetting same 원문보기