Hand-operated jointed control lever

Machine element or mechanism – Control lever and linkage systems – Hand operated

Reexamination Certificate

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Details

C074S489000

Reexamination Certificate

active

10690147

ABSTRACT:
A hand-operated jointed control lever assembly that allows normal operation when moved in a first direction by an operator's grip, but disjoints without breaking when moved in other directions. The control lever naturally returns to its normal mode of operation when the abnormal stressing forces of an accident or fall are removed from the lever. The lever assembly has a lever body and a lever arm with respective mating fulcrum surfaces and a tensioning cable passing through the fulcrum surfaces, with a tensioning spring exerting force on the tensioning cable to draw the fulcrum surfaces together. The lever body has a rearwardly-extending lip in engagement with a forward edge of the lever arm, allowing side-to-side disjointed movement and outward disjointed movement opposite the first direction.

REFERENCES:
patent: 2800798 (1957-07-01), Korsmo
patent: 2854857 (1958-10-01), Gleasman et al.
patent: 3940165 (1976-02-01), Sogoian
patent: 4088040 (1978-05-01), Ross-Myring
patent: 4726252 (1988-02-01), Dawson
patent: 4730509 (1988-03-01), Hornady
patent: 5954161 (1999-09-01), Lee
patent: 6047611 (2000-04-01), Warren, deceased et al.
patent: 6393933 (2002-05-01), Shirayanagi
patent: 6393936 (2002-05-01), Barnett
patent: 6516682 (2003-02-01), Brainard
“Bob's Cycle & Snowmobile Supply Lever ASV Clutch Hydrlc (sic)” found at internet URL http://www.cpostores.com/bobcycle/browse. cfm/4,44724,1,39.2310.html (date unknown).
“ASV Inventions Clutch Lever” found at internet URL http://www.motoworldracing.com/asv—lever.html (date unknown).
“Arcx Folding Lever-Just Like Sebastian Uses” found at URL http://www.arclevers.com/tests/arclevers.html (Apr. and May, 2000).

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