Coupler for two eccentrically rotating members

Details Coupler for two eccentrically rotating members Coupler for two eccentrically rotating members

1977-01-03

1978-11-14

Croyle, Carlton R.

Machine element or mechanism

Mechanical movements

Rotary to rotary

418173, F16H 2112, F04C 100

Patent

active

041250311

ABSTRACT:
A coupler for joining two eccentrically rotating members for simultaneous rotation about their respective axes at the same angular velocity without angular phase shift. The invention is particularly useful for coupling the rotor and cam ring in certain types of positive fluid displacing devices. The coupling includes a double crank member with a central portion extending along a first axis and two end portions extending from each end of the central portion along a second axis parallel to the first. The central portion is received in a bore in the inner member and the end portions are received in opposing mutually parallel slots in the outer member.

REFERENCES:
patent: 1941651 (1934-01-01), Behlmer
patent: 2064635 (1936-12-01), Stern
patent: 2714372 (1955-08-01), Williams

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