Transmission shift control mechanism

Details Transmission shift control mechanism Transmission shift control mechanism

1988-05-05

1989-05-09

Herrmann, Allan D.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74106, 74475, 74517, G05G 912, G05G 506, G05G 704

Patent

active

048277924

ABSTRACT:
A reverse shift mechanism includes a reverse shift bracket which is reciprocatively movable between a neutral position and a reverse shifting position in response to shift effort applied thereto from a control lever. During movement of the reverse shift bracket from the neutral position to the reverse shifting position, shift effort is transmitted directly from the reverse shift bracket to a reverse fork lever by way of a direct pin, reducing friction loss and transmission loss and reducing the effort required for shifting. During movement of the shift bracket from the reverse shifting position to the neutral position, the reverse fork lever is drivingly connected to the reverse shift bracket by way of a reverse shift plate and a reverse shift arm. While the reverse shift bracket is in the reverse shifting position, the mechanism is prevented from slipping out of reverse by a stopper pin which engages a stopper pin engaging portion of the reverse shift plate.

REFERENCES:
patent: 4228693 (1980-10-01), Kelbel
patent: 4495832 (1985-01-01), Hiraiwa et al.
patent: 4497216 (1985-02-01), Kawamoto
patent: 4510817 (1985-04-01), Kawamoto et al.

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