Changing speed in a power transmission

Details Changing speed in a power transmission Changing speed in a power transmission

1992-01-29

1993-01-19

Braun, Leslie A.

Machine element or mechanism

Control lever and linkage systems

Multiple controlled elements

74110, B60K 2000, F16H 2144

Patent

active

051798697

ABSTRACT:
A shifting mechanism for a multi-speed manual overdrive (OD) transmission. A "flipper" reverses the action of the shift stick for the final stage shift fork to maintain progressive "H" or "HH" shift patterns yet engage a direct drive coupling as the next-to-last range and OD as the final engagement. The mechanism employs a quadrangular frame slidably received on two adjacent shift rails in a shift rail array. The frame has one side above the shift rail array notched to engage the shift stick end of an opposite side below the array. The flipper is pivotally mounted below the array with one end engaging a notch in the frame and the other end engaging the final stage shift fork so as to minimize bending stresses on the fork end and reaction loads of the sliding frame on the shift rails.

REFERENCES:
patent: 3310992 (1967-03-01), Stott
patent: 4531425 (1985-07-01), Takahashi
patent: 4572018 (1986-02-01), Hausinger
patent: 4757726 (1988-07-01), Yamaguchi et al.

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