Seat suspension — Harley-Davidson patent US3116089A (1963)
PatentUS3116089A
TypeUtility patent
Filed1962-03-21
Granted1963-12-31
InventorDonald H Banzhaf
SystemSeats & luggage
“1. A SUSPENSION MECHANISM FOR USE IN COMBINATION WITH A VEHICLE SEAT MOUNTED FOR MOVEMENT RELATIVE TO A VEHICLE, SAID SUSPENSION MECHANISM COMPRISING, A HOLLOW ENCLOSURE, A PAIR OF RESILIENT MEMBERS POSITIONED WITHIN SAID HOLLOW ENCLOSURE, AND MEANS FOR CONNECTING ONE OF SAID RESILIENT MEMBERS TO…”
Drawings (1 sheet)

Parts for this system
31-5302
Replacement Ultima Seat Tab
$4.8637-1873
Solo Seat Spacer Cadmium
$5.0516-0529
Seat Mounting Screw Set Chrome
$6.3541-0119
Seat Mount Screw Set Chrome
$6.35Check fitment first — add your bike and we flag what fits.
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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.