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Bicycle or tricyle — Harley-Davidson patent US4826191A (1989)

PatentUS4826191A
TypeUtility patent
Filed1987-06-10
Granted1989-05-02
InventorDaniel A. Matre
SystemFrame & chassis

“A velocipede such as a bicycle or tricycle includes a drive sprocket mounted on a frame for adjustment between a plurality of positions defining an arcuate path having an axis of curvature. A second sprocket is rotatably mounted on the axis and is coupled to the drive sprocket by a first chain. A…”

Full patent textDownload PDFShop frame & chassis parts

Drawings (3 sheets)

Bicycle or tricyle — sheet 1Bicycle or tricyle — sheet 2Bicycle or tricyle — sheet 3

Parts for this system

28-0158
Oil Tank Frame Cover Rubber Grommet
$10.64
37-9264
Chrome Oil Line to Frame Clamp
$10.64
51-5549
Frame Insert Raw Maltese Design
$10.64
51-0858
Frame Tank Dowel Rear
$10.67

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.