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Vehicle transmission and control — Harley-Davidson patent US3226994A (1966)

PatentUS3226994A
TypeUtility patent
Filed1964-03-26
Granted1966-01-04
InventorWilliam J Harley
SystemTransmission & clutch

“2. A VARIABLE DIAMETER SPEED RESPONSIVE SHEAVE ASSEMBLY COMPRISING, A SHAFT, A SHEAVE HALF FIXED ON THE SHAFT, A SHEAVE HALF AXIALLY MOVABLE ON THE SHAFT TO VARY THE SPACING BETWEEN THE HALVES, A MEMBER FIXED ON THE SHAFT AND COOPERATING WITH THE MOVABLE SHEAVE HALF TO DEFINE AN OUTWARLDY…”

Full patent textDownload PDFShop transmission & clutch parts

Drawings (3 sheets)

Vehicle transmission and control — sheet 1Vehicle transmission and control — sheet 2Vehicle transmission and control — sheet 3

Parts for this system

12-6924
Clutch Release Cover Retaining Ring
$4.86
12-1317
OE Transmission Retaining Ring for Dog Ring
$5.18
14-6909
Ultima Clutch Pulley Cover Oil Seal
$5.40
12-1318
OE Transmission Countershaft End Nut
$6.00

Check fitment first — add your bike and we flag what fits.

More transmission & clutch schematics

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Drawing from the US patent record (via Google Patents). A patent shows the invention as filed, not necessarily the production part on your motorcycle — confirm fitment for your model and year. Independent aftermarket retailer, not affiliated with Harley-Davidson, Inc.