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Power transmission for a cleaner

  • US 4,434,865 A
  • Filed: 08/31/1981
  • Issued: 03/06/1984
  • Est. Priority Date: 08/31/1981
  • Status: Expired due to Fees
First Claim
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1. A power driven cleaner including;

  • (a) a handle operated means for controlling a pivoted actuating lever,(b) a transmission disposed adjacent said actuating lever,(c) said transmission including a first input shafting,(d) said input shafting driven by a motor for said cleaner,(e) an output shaft in said transmission,(f) gear engagement between said input and output shafts,(g) clutching means on said output shaft for engaging said output shaft with said input shaft through said gear engagement,(h) said output shaft including outboard gears that directly engage wheels for said cleaner to drive said wheels to propel said cleaner when said actuating lever is pivoted,(i) said clutching means take the form of clutch plates disposed in the hub of at least an output gear,(j) some of said clutch plates interengaging with and always rotating with said output gear and some of said clutch plates interengaging with and always rotating with said shaft,(k) whereby movement of said clutch plates axially on said output shaft frictionally engage them to clutch said output gear to said shaft,(l) cooling vanes are mounted with said output gear,(m) said output gear always rotating with said input shaft,(n) whereby said vanes supply cooling air to said clutch plates during rotation of said input shaft,(o) said hub is slotted to provide ventilation for said clutch plates,(p) said clutch plates and said hub have spaced locations therebetween to provide channels for the passage of ventilating air radially outwardly of the clutch disks, and(g) said cooling vanes are mounted internally of said hub.

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