Land vehicles – Wheeled – Occupant propelled type
Patent
1993-09-17
1995-01-31
Rice, Kenneth R.
Land vehicles
Wheeled
Occupant propelled type
411222, 411312, B62K 2112
Patent
active
053853601
ABSTRACT:
Locking the headset of a steering post of a bicycle is accomplished by this invention where the steering post or threaded body projects coaxially through a cylindrical journal mounted at the front end of the bicycle frame. Bearing cups are secured in each end of the journal to accommodate thrust bearings. Each thrust bearing in turn is engaged by a cone. The lower cone is mounted stationary on the fork-steering post of the bicycle while the upper cone is threaded engaged to the mounting post body and is drawn hand tight against the upper thrust bearing. The upper cone is locked against rotational movement by a lock nut threaded on the post body above the upper cone and spaced from the upper cone. The locking configuration is achieved by one or more screws extending through an opening in the lock nut and engaging the upper cone to jam the threaded connections between the lock nut, upper cone and steering post body.
REFERENCES:
patent: Re30547 (1981-03-01), Belden
patent: 3667525 (1972-06-01), Spieth
patent: 4934839 (1990-06-01), Chi
patent: 5080519 (1992-01-01), Chi
patent: 5197809 (1993-03-01), Chi
patent: 5246297 (1993-09-01), Chi
patent: 5267485 (1993-12-01), Chi
Tange-Seiki catalog 1994, front cover and pp. 15 and 16 p. 10 of the 1994 catalog of YST corporation.
Hurley Kevin
Millard Sidney W.
Rice Kenneth R.
Thurston, Inc.
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