Improvements in motor vehicle automatic transmission controls — Harley-Davidson patent US2998809A (1961)
PatentUS2998809A
TypeUtility patent
Filed1960-02-15
Granted1961-09-05
InventorEdward E Thomas
SystemTransmission & clutch
“p 1961 E. E. THOMAS 2,998,809 IMPROVEMENTS IN MOTOR VEHICLE AUTOMATIC TRANSMISSION CONTROLS Original Filed April 1, 1959 INVENT OR. 157W sJ/Emfl U it d. es Paten i 2,998,809 a f *IMPROVEMENTSIN MOTOR VEHICLE AUTO-' MAIICYTRANSMISSION CONTROLS Edward E. Thomas, Milwaukee, Wis., assignor to…”
Drawings (1 sheet)

Parts for this system
12-6924
Clutch Release Cover Retaining Ring
$4.8612-1317
OE Transmission Retaining Ring for Dog Ring
$5.1814-6909
Ultima Clutch Pulley Cover Oil Seal
$5.4012-1318
OE Transmission Countershaft End Nut
$6.00Check fitment first — add your bike and we flag what fits.
More transmission & clutch schematics

US1542806A
Transmission
1925 · Transmission & clutch

US1549976A
Disk clutch
1925 · Transmission & clutch

US2987934A
Motor vehicle automatic transmissions
1961 · Transmission & clutch

US3144860A
Vehicle transmission and control
1964 · Transmission & clutch
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.