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특허 상세정보

Compact full-traction differential

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16H-048/06   
미국특허분류(USC) 475/227; 475/344; 074/458
출원번호 US-0425330 (2003-04-29)
발명자 / 주소
출원인 / 주소
대리인 / 주소
    Brown & Michaels, PC
인용정보 피인용 횟수 : 4  인용 특허 : 14
초록

The size, weight, and cost of a full-traction differential are significantly reduced by the synergism of several interrelated design features of a cartridge-like gear complex: (1) Each combination gear has only a shallow journal hole in each end of an otherwise solid gear body, being supported on mating hubs fixed to mounting plates slipped into a one-piece differential housing. (2) The solid worm-wheel portion of the combination gears has a deeper hour-glass shape. (3) Mating worm/worm-wheel teeth have a broad “supra-enveloping” contact pa...

대표
청구항

1. A gear complex in a full-traction differential transferring rotational forces from an external power source to a pair of output axles mounted on an output axis, said differential having a housing that receives one end of each respective axle and is rotationally driven by said external power source; said gear complex, being supported within and rotating with said housing, comprising:a pair of side-gear worms, each side gear being mounted for rotation about said output axis and fixed to a respective one of said output axles;at least two sets of paired c...

이 특허에 인용된 특허 (14)

  1. Kimura Junzo (Nagoya JPX) Nakao Toshiyuki (Chiryu JPX). Bias ratio levelling apparatus of a worm gear type differential. USP1989114878400.
  2. Ichiki Shiro (Saitama) Takefuta Hideyasu (Saitama JPX). Differential device for vehicle. USP1993035195934.
  3. Sato Kazuhiko (Konan JPX). Differential gear mechanism. USP1991115067934.
  4. Fleytman, Yakov. Differential unit with worm gearsets. USP2003066582338.
  5. Brewer Mark S. (North Chili NY) Stritzel Gene A. (Rochester NY) Ryan Thomas B. (Webster NY). Differential with varied frictional surfaces. USP1993085232415.
  6. Kawamura Osamu (Matsudo JPX). Limited slip differential. USP1991075030185.
  7. Gleasman Vernon E. (11 Pondview Dr. Pittsford NY 14534) Gleasman Keith E. (11 McCord Woods Dr. Fairport NY 14450) Gleasman James Y. (1701 Laguna Loma Cove Austin TX 78746). No-slip, imposed differential reduction drive. USP1988104776235.
  8. Dye James S. (Walworth NY). Rocker-mounting for differential gear. USP1992055112284.
  9. Gleasman Vernon E. (Pittsford NY) Gleasman Keith E. (Fairport NY). Subassembly for a differential. USP1988024724721.
  10. Gleasman Vernon E. (3808 Kirkwood Rd. Cleveland OH 44121) Benjamin Robert N. (1830 Kathryn Dr. Westlake OH 44145). Torque equalizer or unbalancer for a cross-axis planetary differential gear complex. USP1980034191071.
  11. Muzzarelli Marco F. (Florence ITX). Transmission for a four-wheel drive motor vehicle. USP1990034907672.
  12. Takahashi Satoshi (Konan JPX) Ishikawa Isao (Konan JPX). Worm differential gear mechanism. USP1994085338267.
  13. Stritzel Gene A. (Rochester NY). Worm wheel and method of hobbing same. USP1990054926712.
  14. Fleytman Yakov. Worm/worm gear transmission. USP2000116148683.