Machine element or mechanism – Control lever and linkage systems – Elements
Patent
1988-07-13
1989-04-04
Herrmann, Allan D.
Machine element or mechanism
Control lever and linkage systems
Elements
74489, 745022, 188 2D, 192 99S, G05G 704
Patent
active
048174521
ABSTRACT:
The invention provides a simple method for reducing the amount of force required to actuate a motorcycle clutch. A miniature, lightweight housing means provides a pivot for a lever means to which is attached a short cable from the clutch actuation handle and also the original cable from the clutch. Because the two cable attachment points on the lever means are staggered, the lever means provides mechanical advantage and thereby reduces the manual force required to move the clutch actuation handle.
The invention is designed to allow fast installation by providing cable slots in all parts and using cable sleeve tension to permit simple hook-on attachment of cable terminal hardware to the lever means. The housing means cover is used to exclude the environment and also to assure mechanical strength. The pivot pin and attachment hardware for anchoring the cables is locked into place by the covers.
REFERENCES:
patent: 273276 (1883-03-01), Hawkinson
patent: 1255220 (1918-02-01), Petry
patent: 2480083 (1949-08-01), McMillan
patent: 2796774 (1957-06-01), Peed, Jr.
patent: 4149432 (1979-04-01), Lostahaude
patent: 4301694 (1981-11-01), Costa
patent: 4637485 (1987-01-01), Otteson
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