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특허 상세정보

Adjustable rotary locking and unlocking device

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G05G-005/06    G05G-005/00   
미국특허분류(USC) 074/530
출원번호 UP-0134787 (2005-05-17)
등록번호 US-7631575 (2009-12-24)
발명자 / 주소
대리인 / 주소
    Gard, Paul D.
인용정보 피인용 횟수 : 14  인용 특허 : 17
초록

An improved adjustable rotary locking and unlocking device that utilizes a pushbutton to unlock teeth on a spring loaded hub drive that mesh within a swivel member. Once the hub drive and swivel member are disengaged by pressure on the pushbutton, the swivel member is freely moveable to any other position. Release of pressure on the pushbutton allows the teeth of the spring loaded hub to re-engage the teeth of the swivel member, thereby rigidly locking the device in place.

대표
청구항

What is claimed is: 1. An adjustable locking and unlocking device comprising: (a) a circular threaded metal insert; (b) a hub receiver member comprising inner and outer surfaces, said hub receiver member attached to a first extension member, said inner surface of said hub receiver member having a cylindrical shaped central hub projection with a central pass-through aperture, said cylindrical shaped hub projection surrounded by four equidistant quadrilaterally shaped projections; (c) a circular hub drive comprising a flat first side and a raised circular...

이 특허에 인용된 특허 (17)

  1. Liu Kun-Hei (2F. ; No. 32 ; Lane 200 ; Tung Hwa Street Taipei TWX). Adjustable baby cart handrail positioning device. USP1992125168601.
  2. Wiley Robert A. (Millington MI) Gay Dwight S. (Millington MI) Larkin Michael J. (Millington MI). Adjustable rotary locking and unlocking apparatus. USP1997115689999.
  3. Huang Ming T. (4Fl. ; No. 302 ; Sec. 7 ; Cheng Teh Rd. Taipei TWX). Adjusting device for a hood of a toy stroller. USP1996095551745.
  4. Swiderski Paul R. (Georgetown KY) Seadler Paul J. (Jefferson KY). Articulated ladder assembly. USP1994015279387.
  5. Franklin Ronald D. (5266 L St. Sacramento CA 95819). Articulating positioning device for tools. USP1992065123768.
  6. Barnes Austen B. (5040 Coronation Road RR2 Whitby ; Ontario ; LIN 5R5 CAX). Axial locking device. USP1987124709454.
  7. Tagawa Koichi (Kawachinagano JPX). Bicycle speed change lever assembly. USP1990104966046.
  8. Arnoth Frank W.. Cam activated rotational gear lock. USP1999115988012.
  9. Nagano Masashi (Osaka JPX). Change speed lever apparatus for use in bicycle. USP1993065222412.
  10. Shyu Song-Gen,TWX ; Huang Wen-Liang,TWX. Device for holding and controlling the opening angle of a door. USP1999035884533.
  11. Pfister Stanley Arthur (Wilmington OH). Index mechanism. USP1977044015487.
  12. Lin Ching T. (No. 12 Alley 30 Lane 371 ; Hwacheng Road Hsin Chuang City ; Taipei Hsien TWX). Lockable folding joint for foldaway ladder. USP1991065026198.
  13. Nickipuck Michael F. (1323 W. Cossitt Ave. LaGrange IL 60525). Locking joint for a ratchet wrench. USP1997125694818.
  14. Ryu Hoe K. (Seoul KRX). Positioning joint for folding ladders. USP1987054666328.
  15. Stevens Rex W.. Robust adjustable rotary positioning mechanism. USP2001036196568.
  16. Wang Chia-Ho (12F ; No. 311 ; Fu-Hsing N. Rd. Taipei City TWX). Stroller. USP1991105056805.
  17. Kettel Hans (Riederich DEX). Tool turret with revolving head. USP1984084467680.