Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1994-02-10
1995-08-01
Luong, Vinh T.
Machine element or mechanism
Control lever and linkage systems
Elements
280279, 403 24, 403374, B62K 21121, B25G 320
Patent
active
054372089
ABSTRACT:
An engaging device for securing a handlebar stem of a bicycle includes a handlebar stem which has vertical and level portions, the level portion having an opening formed in a side wall of the level portion and communicating to an interior of the vertical portion, the vertical portion being a tubular element for receiving an upper end of a front fork therein. A main tapered element and two side tapered elements are disposed in the level portion through the opening, the main tapered element having a recess formed in a rear end thereof for engaging with the front fork and having a slant formed on lateral sides thereof, the side tapered element having a slant corresponding to that of the main tapered element. The main tapered element is forced to push toward the front fork with the recess by the side tapered elements when threading the bolt.
REFERENCES:
patent: 3304099 (1967-02-01), Jankowski
patent: 5145277 (1992-09-01), Fujita et al.
patent: 5197349 (1993-03-01), Herman
patent: 5232304 (1993-08-01), Huang
patent: 5285696 (1994-02-01), Taylor
patent: 5285698 (1994-02-01), Liao
patent: 5297445 (1994-03-01), Chen
patent: 5299467 (1994-04-01), Marui
Kalloy Industrial Co., Ltd.
Luong Vinh T.
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