Mechanical gear selector

Details Mechanical gear selector Mechanical gear selector

1982-11-18

1985-09-24

Bonck, Rodney H.

Machine element or mechanism

Control lever and linkage systems

Resilient connections

74516, 91376R, G05G 704

Patent

active

045426627

ABSTRACT:
In a mechanical gear selector for a synchronized gear change, there is disposed an automatic force amplifier--primarily a hydrostatically operating automatic amplifier--that amplifies or amplifies the force introduced depending on the magnitude thereof, no separate energy such as a fluid pump being needed therefor, and the amplification also taking place only when needed, primarily for the synchronization of gears. Between a force input shaft and a casing disposed concentrically thereto, which casing also transmits the amplified force, there is situated in connection with an annular and a pressure space the force amplifier proper and a spring element for the defined amplification threshold. On the design depends from what input force amplification starts. From a defined amplified pressure, the amplifying action is terminated by a pressure-reducing valve so that the transmission of force is continued practically with this pressure that has been reached or a pressure therebelow.

REFERENCES:
patent: 2575937 (1950-11-01), Bent
patent: 2705940 (1955-04-01), Edwards
patent: 2928378 (1960-03-01), Leduc
patent: 3148592 (1964-09-01), Schultz et al.
patent: 3707880 (1973-01-01), Bach
patent: 3757640 (1973-09-01), Karol
patent: 3762277 (1973-10-01), Paul
patent: 3834277 (1974-09-01), Yabuta et al.
patent: 4089252 (1978-05-01), Patel et al.
patent: 4319455 (1982-03-01), Schubert
patent: 4379423 (1983-04-01), Leineweber et al.

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