Mechanism for holding and guiding a pivoting member

Details Mechanism for holding and guiding a pivoting member Mechanism for holding and guiding a pivoting member

1977-07-18

1980-02-12

Schwadron, Martin P.

Joints and connections

Articulated members

Lockable at fixed position

403113, 137499, F16B 710, F16D 112

Patent

active

041881443

ABSTRACT:
A pivoting member, especially the air flow rate meter of an internal combustion engine is disposed on a hub which surrounds a locally fixed shaft. Extending inwardly from the hub is a protrusion, for example a pin, which penetrates an opening in the wall of the shaft which is hollow at this point due to a blind bore extending axially into the shaft. The protrusion is held between two balls or rollers which are located in the blind bore and held in position by cooperation of a spring and an adjustment screw. The adjustment screw has a counter nut which bears on the end face of the shaft and also has gear teeth which engage a first set of threads of a pinion. The pinion has another set of threads of opposite and slightly different pitch so that rotation of the pinion causes differential rotation of the counter nut and permits very precise axial positioning of the hub which carries the pivoting member.

REFERENCES:
patent: 1806922 (1926-11-01), Chandler
patent: 2806723 (1957-09-01), Fairclough
patent: 2947556 (1960-08-01), Wenger
patent: 3182673 (1965-05-01), Small
patent: 3688754 (1972-09-01), Eckert
patent: 3843271 (1974-10-01), Bjerknes
patent: 3880125 (1975-04-01), Kommerer et al.
patent: 4034029 (1977-07-01), Tipton
patent: 4112900 (1978-09-01), Schwartz et al.

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