Thumb-operated throttle control

Details Thumb-operated throttle control Thumb-operated throttle control

1990-05-01

1992-01-07

Lindsey, Rodney M.

Machine element or mechanism

Control lever and linkage systems

Hand operated

74489, F16C 110

Patent

active

050780239

ABSTRACT:
A primary throttle lever connected to a secondary lever affords a throttle control engagement to a throttle cable initially with a high lever ratio to ease thumb pressure at low throttle settings. The motion of an axial slot which end of said slot eventually engages a limiting pin ensures subsequent motion of the secondary lever attached to said limiting pin. The consequential motion of said secondary lever affords a lower lever ratio for higher throttle settings. Said sequential lever ratios being set at manufacture and the travel limits of said sequential lever ratios being user adjustable.

REFERENCES:
patent: 2560154 (1951-07-01), Brown
patent: 4222285 (1980-09-01), Kine
patent: 4611500 (1986-09-01), Nagaro

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