Shift mechanism for power transmissions

Details Shift mechanism for power transmissions Shift mechanism for power transmissions

1980-08-11

1982-11-23

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74477, F16H 5706, G05G 510

Patent

active

043599109

ABSTRACT:
In a shift mechanism for a change-speed gearing in a power transmission unit, a spring loaded movable element in the form of a piston is slidably disposed within a reverse shift head member to be pushed inwardly by engagement with a shift-and-select lever, and a stopper pin is integral with the movable element and movable between a first position in which the movable element is apart from the lever and a second position in which the movable element is engaged with the lever, the stopper pin being arranged to be located at its outer end adjacent to a stationary member to restrict unexpected forward movement of a reverse fork shaft in its first position and to be aligned with a recessed portion of the stationary member to permit the forward movement of the reverse fork shaft in its second position for establishment of a reverse gear train.

REFERENCES:
patent: 3043413 (1962-07-01), McAfee et al.
patent: 3866488 (1975-02-01), Nakata et al.
patent: 3937100 (1976-02-01), Huffman

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