Bicycle seatpost assembly

Details Bicycle seatpost assembly Bicycle seatpost assembly

1982-04-02

1983-11-29

Peters, Jr., Joseph F.

Land vehicles

Wheeled

Occupant propelled type

248411, 280287, 403104, B62K 1936

Patent

active

044177445

ABSTRACT:
A seatpost assembly is used in combination with a tubular seat mast of a bicycle having a radial hole through an upper rearward wall of the seat mast and includes a cylindrical seatpost sized to telescope within the seat mast and defining a longitudinal slot having side walls forming opposing channels, a lock nut for receiving a bolt and positioned within the slot such that it slidably engages the opposing channels, and a threaded bolt extending through the radial hole and the rearward seat mast wall and into the slot to engage the lock nut. The bolt has a head such that, when the bolt is threaded into the lock nut, a portion of the seatpost and a portion of the seat mast are clamped together between the lock nut and bolt head to prevent movement of the seatpost relative to the seat mast.

REFERENCES:
patent: 689467 (1901-12-01), Dikeman
patent: 1884497 (1932-10-01), Abbott
patent: 3847489 (1974-11-01), Van Riper
patent: 3849008 (1974-11-01), Boucher et al.
patent: 3955828 (1976-05-01), Boudreau
patent: 4011700 (1977-03-01), Sado
patent: 4120512 (1978-10-01), Newlands

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