Throttle control

Details Throttle control Throttle control

1991-06-14

1993-03-02

Scherbel, David A.

Machine element or mechanism

Control lever and linkage systems

Elements

74533, 74531, 74475, G05G 506

Patent

active

051899264

ABSTRACT:
A pivotal throttle control lever having a plurality of primary flaps with teeth formed therein in an arc about the pivot axis of the lever. A plurality of ribs, each corresponding to a respective primary flap are provided for engaging the teeth as the lever is pivoted by the operator. The ribs deflect the primary flaps only as the teeth engage the ribs during pivotal shifting of the lever. The ribs are offset within respective spaces between the teeth such that the primary flaps alternate deflecting as the ribs encounter the teeth. A choke flap is formed integrally with the lever and deflects as a choke tooth abuts a first portion of the control quadrant. The choke tooth is positionable within an opening for securing the lever in the choke mode. The resistance to shifting created by the choke tooth in abutment with the first portion is great than the resistance created by the teeth encountering the ribs, such that the operator senses the position of the lever during shifting.

REFERENCES:
patent: 3086407 (1963-04-01), Reece
patent: 3524979 (1970-08-01), Cohen
patent: 3564929 (1971-02-01), Halstead
patent: 4633733 (1987-01-01), Tavener
patent: 4744265 (1988-05-01), Nagano
patent: 4949591 (1990-08-01), Roelle

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