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특허 상세정보

Variable ratio drive pulley

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) F16H-055/52   
미국특허분류(USC) 474/14 ; 474/94
출원번호 US-0740607 (1996-10-31)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 10  인용 특허 : 15
초록

A variable ratio drive pulley of the type employed in snowmobiles to transmit a drive from the snowmobile engine to a variable ratio belt drive transmission has a fixed flange and an opposed movable flange which cooperate to drive the belt. The drive pulley is coupled to rotate with the engine crankshaft and the movable flange incorporates centrifugal weights that operate to advance it towards the fixed flange, with a force that increases with speed of rotation to grip the transmission belt between the flanges and apply a driving torque thereto, this tor...

대표
청구항

A variable ratio drive pulley comprising: a) a shaft; b) confronting fixed and movable frusto-conical flanges mounted on said shaft to rotate therewith, said fixed flange being fixed to said shaft and said movable flange being guided to move axially of said shaft towards and away from said fixed flange; c) a spring in said pulley being operative to urge said movable flange away from said fixed flange; d) a centrifugally responsive mechanism in said pulley being operative on rotation of said pulley to generate a force urging said movable flange towards sa...

이 특허에 인용된 특허 (15)

  1. Ichikawa Noriyuki (Shizuoka JPX) Suzuki Tetsushi (Shizuoka JPX) Atsumi Tomiaki (Shizuoka JPX). Crank damper pulley structure for the internal combustion engine of a car. USP1987124710152.
  2. Bremer ; Jr. Robert C. (Brownsburg IN). Deformed locking clamp. USP1981014242921.
  3. Lundberg ; John P.. Expansible pulley with torque and centrifugal response. USP1978064095479.
  4. Gebhardt Hans (Langenzenn DEX). Torsional vibration damper with a V-belt pulley connected thereto. USP1988114781659.
  5. Posiviata Richard W. (Lakewood CO) Kemper Dennis (Aurora CO) Westhoff William L. (Denver CO). Torsionally elastic power transmitting device and drive. USP1984124486183.
  6. Takagi Izumi (Akashi JA) Kitai Haruo (Akashi JA). V-belt type automatic transmission drive clutch device. USP1977104052908.
  7. Kobayashi Takashi (Hamamatsu JPX). V-belt type speed change mechanism. USP1984084464144.
  8. Kobayashi Takashi (Hamamatsu JA). V-belt variable-speed drive. USP1977064027544.
  9. Beaudoin Guy (1238 Chabanel Street Drummondville South ; Quebec CA) Vincent Marcel (320 Herbert Street Wickham ; Quebec CA). Variable diameter pulley with means for changing wear pattern on the pusher ring. USP1976073971263.
  10. Bostelmann Willy (Wels ATX). Variable ratio drive pulley. USP1994075326330.
  11. Prasad Keni K. (Beaver Dam WI). Variable speed drive clutch. USP1982024313728.
  12. Prasad Keni K. (Thief River Falls MN). Variable speed drive clutch. USP1976103986406.
  13. Pitoiset Didier (Montmorency FRX). Variable speed drive pulley. USP1984024432743.
  14. De Briel Jacques T. (Levallois Perret FRX). Variable speed drive system and pulley therefor. USP1988094772248.
  15. Aaen Olav (Kenosha WI) Rose Edgar (Glencoe IL). Variable transmission drive pulley assembly with selective drive. USP1976023939720.