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Motorcycle swing arm support assembly — Harley-Davidson patent US6378644B1 (2002)

PatentUS6378644B1
TypeUtility patent
Filed1999-07-29
Granted2002-04-30
InventorWilliam H. Brown
SystemSuspension

“A motorcycle swing arm support assembly includes a bushing extending through a portion of the swing arm and the frame, a spacer, and a bolt extending through the frame, swing arm, bushing, spacer, and a portion of the motorcycle transmission case. The drive belt of the motorcycle defines a loop…”

Full patent textDownload PDFShop suspension parts

Drawings (5 sheets)

Motorcycle swing arm support assembly — sheet 1Motorcycle swing arm support assembly — sheet 2Motorcycle swing arm support assembly — sheet 3Motorcycle swing arm support assembly — sheet 4Motorcycle swing arm support assembly — sheet 5

Parts for this system

44-0627
OE Swingarm Pivot Washer Left Side
$6.41
16-0954
Shock Stud Spacers Kit
$9.62
54-0438
Swingarm Bolt Lock Washer
$10.04
16-0917
Shock Tool
$10.64

Check 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.