[특허]Foldable walker with plunger actuated latch assembly

[미국특허] Foldable walker with plunger actuated latch assembly 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61H-003/00 F16C-011/00
출원번호	US-0440051 (1982-11-08)
발명자 / 주소	Battiston Sr. Joseph D. (Clifton NJ) Battiston Jr. Joseph (Clifton NJ)
출원인 / 주소	Tubular Fabricators Ind., Inc. (Passaic NJ 02)
인용정보	피인용 횟수 : 27 인용 특허 : 6

초록 ▼

A locking assembly is disclosed which is suitable for releasably locking two articulated pivoting members in a fixed position with respect to each other. The locking assembly comprises a spring biased reciprocating latch, a plunger attached to the latch, and a catch plate adapted to rotate into locking engagement therewith. The plunger and latch are preferably integral with each other, so that the latch contains a minimum number of moving parts. The latch is designed so that simple palm pressure will cause it to disengage from the catch plate, to permit the pivoting members to move with respect to each other. The present locking assembly is of simple design and inexpensive manufacture, and is durable in use. The locking assembly is particularly applicable for use in invalid appliances such as collapsible walkers, where the users have limited manual dexterity. The simple design of the present locking assembly assures a minimum of mechanical breakdown in use, that is particularly important in the instance where the user of the device is infirm or elderly. The present invention also includes a collapsible walker utilizing the present locking assembly.

대표청구항 ▼

A locking assembly for releasably locking two articulated pivoting members in a fixed position with respect to each other, comprising: A. a spring biased reciprocating latch; B. a plunger attached to said latch; C. a catch plate adapted to releasably engage said latch; D. said spring biased latch reciprocably mounted within a first pivoting member and comprising a longitudinally extended locking bolt adapted for retractable protrusion from said first pivoting member, a reduced diameter guide rod extending from said locking bolt external to said first pivoting member, and a cam surface located between said locking bolt and said guide rod, and adapted to slidably engage said catch plate; E. said catch plate mounted external to the second pivoting member and comprising a moveable strip defining a collar at one end thereof adapted to releasably retain said locking bolt, and a closed track communicating with said collar defining an access way for said latch to enter and escape from said collar, and said catch plate pivotally attached to said second pivoting member and also adapted to slide and pivot about said guide rod; and F. said plunger mounted on said guide rod on the free end thereof, to receive and transmit pressure against said locking bolt to urge said locking bolt into the retracted position, for release from said collar.

이 특허에 인용된 특허 (6) 인용/피인용 타임라인 분석

Thomas Morton I. (101 Gedney St. Nyack NY 10960), Adapter for manipulating a spring loaded pushbutton.
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Smith Alfred A. (13114 Margate St. Van Nuys CA 91401), Foldable walker.
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Thomas Morton I. (Nyack NY), Folding walker.
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Thomas Morton I. (Nyack NY), Hyperextendible walker.
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Garelick Herbert J. (Saint Paul MN), Locking mechanism for foldable walker.
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Sprunger Loren G. (Fort Wayne IN), Tilt steering column mechanism.
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이 특허를 인용한 특허 (27) 인용/피인용 타임라인 분석

Mastrodicasa Arthur R. (5 Elmcrest Cir. Walpole MA 02081), Adjustable bracket assembly for supporting a shelf.
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Mastrodicasa Arthur R. (5 Elmcrest Cir. Walpole MA 02081), Adjustable bracket assembly for supporting a shelf.
상세보기
Mastrodicasa Arthur R. (5 Elmcrest Cir. Walpole MA 02081), Adjustable bracket assembly for supporting a shelf.
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Obitts, Shane; Reichlin, James, Foldable durable product, such as a patient aid device or walker, and method of forming same.
상세보기
Chen, Kuang-Muh; Chen, Liang Kuo, Folding walker with removable back rest.
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Willis, Phillip Minyard, Frame for support device.
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Owens,John; Bly,Robert R.; Wysocki,Kevin S., Inwardly folding rollator with an upwardly pivotable seat.
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DeStefano ; Jr. Albert M., Lab-top work station.
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Hoshino Yoshihiro (Nagoya JPX), Lock pin mechanism.
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Diamond, Harvey, Lock release mechanism for foldable walkers.
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Diamond, Harvey, Lock release mechanism for foldable walkers and rollators.
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Willis, Phillip Minyard, Mobile support assembly.
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Willis, Phillip Minyard, Mobile support assembly.
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Willis, Phillip Minyard, Mobile support assembly.
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Willis, Phillip Minyard; Bernard, Randy, Mobile support assembly.
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Tidcomb Steven, Motion conversion assembly and vehicle.
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Burrell, Travis, Multi-level, portable and versatile exercise apparatus.
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Gilles, Paul Claude, Offset hinge for ambulatory device.
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Zuckerman Robert ; Burrell Travis, Portable exercise apparatus.
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Zuckerman Robert ; Burrell Travis, Portable exercise apparatus.
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Owens, John, Rollator.
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Owens,John, Rollator.
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Owens,John; Lescher,John; Wysocki,Kevin; Bly,Robert R., Rollator.
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Owens, John, Seat for an ambulatory device.
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Joseph Battiston, Seated walker.
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Serhan, Michael, Walker with release mechanism.
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Prather, Michael R., Walking safety aid apparatus.
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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] Foldable walker with plunger actuated latch assembly 원문보기