[특허]Key ring tool

[미국특허] Key ring tool 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	E05B-019/04
출원번호	UP-0779542 (2007-07-18)
등록번호	US-7650770 (2010-02-24)
발명자 / 주소	Maxwell, David
대리인 / 주소	Carleton, Dennis M.
인용정보	피인용 횟수 : 8 인용 특허 : 23

초록 ▼

A tool is used to split the coils of a key ring so that the key ring can be easily and efficiently placed on a key or other object. In one embodiment the invention includes a pair of guides, such as ribs or slots, incorporated into the bridge of the key ring grip. One rib or slot assists in getting the key ring onto the key and the other rib or slot assists in removing the key ring from the key. Alternatively, the tool could be separate from the key ring bridge and take the form of a plate having a pair of cut-out sections on opposite sides thereof. One cut-out has a sharp leading edge on the top of the plate and the other has a sharp leading edge on the bottom of the plate. A semicircular handle is attached to one side of the plate and assists it further by widening the gap between the coils so that a key can be threaded onto the free end of the key ring.

대표청구항 ▼

The invention claimed is: 1. A key apparatus for attachment to a key ring of the type including a resilient, elongated material having a first and a second end and coiled into one or more loops, said key ring apparatus comprising: a key body having a blade, a grip, a bridge section on top of said grip section and an aperture for engaging said key ring; and first and second ribs located on opposite sides of said bridge and extending substantially from said aperture to the top of said key, for spreading the loops of said key ring so that it can be accepted in said aperture in said grip section, said first and second ribs including first relatively sharp leading edges, wherein said first relatively sharp leading edges initiates the opening of said key ring loops which progressively spread wider as the loops progress along said first or second ribs until the key ring is spread sufficiently such that one end of said key ring can pass through the aperture in said grip; and wherein said first and second ribs define second relatively sharp leading edges opposite said first relatively sharp leading edges, said second relatively sharp leading edges initiating the opening of said key ring loops which progressively spread wider as the loops progress along said first or second ribs until the key ring is spread sufficiently such said key ring can be removed from said aperture in said grip. 2. The key apparatus of claim 1 wherein said first and second ribs have a generally “S” shaped profile. 3. The key apparatus of claim 1 wherein said ribs lie in a plane outside of the plane of said grip. 4. The key apparatus of claim 1 further comprising a first and a second cut-out section located between said first and second ribs respectively and said grip. 5. A key apparatus comprising: a key body having a blade, a grip, a bridge section on top of said grip section and an aperture for engaging said key ring; and first and second ribs located on opposite sides of said bridge extending substantially from said aperture to the top of said bridge, said first and second ribs including first relatively sharp leading edges on one end thereof and second relatively sharp leading edges located on the opposite end thereof; wherein the profile of said first and second ribs is selected from a group consisting of straight and S-shaped. 6. A key apparatus comprising: a key body having a blade, a grip, a bridge section having a top side and a bottom side located on the top of said grip section, and an aperture for engaging said key ring; first and second grooves located on opposite sides of said bridge section, said first and second grooves sharing a common wall, said first and second grooves each having one side which defines a relatively sharp top leading edge adjacent the top of said bridge section and a relatively sharp bottom leading edge adjacent the bottom of said bridge section; wherein the profile of the side of each of said grooves defining said relatively sharp top and bottom leading edges is selected from a group consisting of straight and S-shaped. 7. The key apparatus of claim 6 wherein said top and bottom leading edges initiate the spreading of one end of a key ring from said loops and continues the spreading wider as the end progress along the edge of said first or second groove until the key ring is spread sufficiently such that one end of the key ring can pass through the aperture in said grip to facilitate the insertion or removal of said key ring from said aperture.

이 특허에 인용된 특허 (23) 인용/피인용 타임라인 분석

Wise Garry W. (1 Hobson Ave. Worcester MA 01603), Combined key chain and scraper.
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Hodge Bessie G., Combined key fob and ticket scraper.
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Strenkowski Philip J. (416 View Park Ct. Agoura CA 91301), Combined key holder and self-defense weapon.
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Sunderland Jimmy D. (Taylorville IL) Carr Gary L. (Blue Mound IL), Combined pendant and opener for a split ring key holder.
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Brantschem, Nicolas, Easy-to-maneuver key-ring.
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Beerens Cornelis J. (40-42 Berkshire Rd. North Sunshine ; Victoria AUX), Hand saw guide.
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Naft Stuart, Handle for a small appliance.
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Cohen, Lynn R., Jewelry.
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Kim Howard W. (285 W. 9th St. San Pedro CA 90731), Key holder.
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Song,Chang Woo, Key ring.
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Van Meter, James A., Key ring attachment.
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Williams James M., Key ring opener and method of use.
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Hope, III, Paul M., Key ring opener assembly.
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Murphy Hildegarde J. (2299 Ximeno Ave. Long Beach CA 90815) Murphy Milo E. (2299 Ximeno Ave. Long Beach CA 90815), Key ring separator.
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Gore Douglas C. (3036 Chestnut Ave. Long Beach CA 90806) Lofredo Raymond A. (San Diego CA), Key ring splitter.
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Gore Douglas C. (Long Beach CA) Lofredo Raymond A. (San Diego CA), Key ring splitter.
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Rousseau Jean-Pierre (96 ; Rue de Miromesnil 75008 Paris FRX), Key ring type device.
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Dick Edward M. (711 River Rd. Des Plaines IL 60016), Keyring accessory.
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Berwick Melville,GBX, Keyring tool.
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Baker Douglas J. (16641 Main St. Orange CA 92665), Lottery ticket scraper.
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Brubaker William K. (23327 Edsel Ford St. Clair Shores MI 48080), Multiple utility device for a key ring.
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Liese Grover J., Split ring opening device.
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Olsen Theodore A. (26 Hollowbrook Ct. W. Peekskill NY 10566), Useful device such as a cutting implement for suspending from a key ring or the like.
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이 특허를 인용한 특허 (8) 인용/피인용 타임라인 분석

Schoultz, Erik von, Key ring.
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Pyle, Margaret Marie, Key ring spreader.
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Connell, Sean Dennis, Key shaped multipurpose tool.
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Berman, Lee, Key tool.
상세보기
Duncan, Forrest Andrew, Keyring.
상세보기
Hawker, Christopher; Seibert, Matthew; Beebe, Joel; Ormsbee, Bowden, Multi-function key-shaped tool.
상세보기
Hawker, Christopher; Seibert, Matthew; Beebe, Joel; Ormsbee, Bowden, Multi-function key-shaped tool.
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Bronner, Joseph, Twist on wire tie wall connection system and method.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Key ring tool 원문보기