Cycle headset

Details Cycle headset Cycle headset

2007-10-23

2010-02-02

Morris, Lesley D (Department: 3611)

Land vehicles

Wheeled

Occupant propelled type

C280S276000

Reexamination Certificate

active

07654547

ABSTRACT:
The headset rotationally connects a fork pivoting tube (1) to a steering tube (2) of a cycle frame. It includes a lower roller bearing (3), an upper roller bearing (4), and an element (9, 10) for axially locking the lower and upper roller bearings (3, 4) against a lower or upper end of the steering tube (2). The mechanism for axial locking includes a first element of axial locking that consists of a circular groove (9) that is provided on the outside face of the pivoting tube (1) that works with a second element of axial locking that consists of a rib (10) with an essentially matching shape that is provided on an elastically deformable annular element (11) in a direction that is perpendicular to the axis (A-A) of the pivoting tube (1) and placed above the upper roller bearing (4) so as to exert a thrust against the latter.

REFERENCES:
patent: 5297811 (1994-03-01), Chi
patent: 5893574 (1999-04-01), Campagnolo
patent: 6431575 (2002-08-01), Campagnolo
patent: 7204502 (2007-04-01), Tange
patent: 2001/0040353 (2001-11-01), Campagnolo
patent: 0 541 070 (1993-05-01), None

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