Wishbone adjustable handle bar stem

Details Wishbone adjustable handle bar stem Wishbone adjustable handle bar stem

1986-11-07

1988-03-08

Smith, Gary C.

Machine element or mechanism

Control lever and linkage systems

Elements

745514, B62K 2116

Patent

active

047292555

ABSTRACT:
In a handlebar assembly of the type comprising a tubular stem adapted to be adjustably mounted in known manner to a steering column mounted for rotation, also in known manner, in a head tube of a bicycle, and of the type wherein from the top of said stem, there branches a forward extension for mounting the handlebar; the improvement that the said forward extension comprises twin bi-furcated fork arms, each with an encircling clamp at its forward, distal, end to mount the handlebar, the arms, at their rear ends, each being pivotally secured by a rotationally adjustable serrated clamp device, to the top of the said tubular stem which is adjustably clamped in the steering column.

REFERENCES:
patent: 606192 (1898-06-01), Dayhoff
patent: 624643 (1899-05-01), Gaylor
patent: 3336817 (1967-08-01), Madden, Jr.
patent: 4384497 (1983-05-01), Gatsos

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