Backlash eliminator

Details Backlash eliminator Backlash eliminator

1991-08-29

1993-08-17

Bonck, Rodney H.

Machine element or mechanism

Elements

Pitmans and connecting rods

G05G 300

Patent

active

052358739

ABSTRACT:
A backlash eliminating device is provided in which two members are biased outwardly in opposite directions in an opening in a housing. Rotatable members with arcuate outer surfaces are connected through self-aligning bearings to these members and can rotate about transverse axes. The end of a crank arm at either end of the unit has an arcuate surface that engages the arcuate surface of one of the rotatable members. Self-aligning bearings, rotatable about axes transverse to the housing, connect the crank arm ends to the housing. The biasing force eliminates clearance at the bearings and the self-aligning bearings allow the crank arms to be slightly cocked without resulting in malfunction.

REFERENCES:
patent: 142611 (1873-09-01), Carothers
patent: 1659270 (1928-02-01), Knowles
patent: 2461633 (1949-02-01), Dorey
patent: 2912564 (1959-11-01), Deffenbaugh
patent: 3022060 (1962-02-01), Cook et al.
patent: 3120951 (1964-02-01), Finch
patent: 3841468 (1974-10-01), Eggert
patent: 4569243 (1986-02-01), Chapman et al.

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