Machine element or mechanism – Mechanical movements – Reciprocating or oscillating to or from alternating rotary
Patent
1986-05-13
1987-11-10
Krizmanich, George H.
Machine element or mechanism
Mechanical movements
Reciprocating or oscillating to or from alternating rotary
74104, 744248VA, 251229, F16H 2902, F16H 118, F16K 3150
Patent
active
047049120
ABSTRACT:
A sliding crank actuator for rotating an axle connectable to the actuator, the axle being provided as part of a system external to the actuator. The axle is rotatable in the external system about an axis which is located at a fixed distance from and which is perpendicular to a drive screw in the actuator.
The actuator comprises a drive screw rotatable about a fixed axis and a drive nut on the drive screw. The drive nut moves along the length of the drive screw as the drive screw is rotated.
The actuator further comprises a crank arm having a first member and a second member slideably innerconnected so that the first and second members slide longitudinally with respect to each other. The first member is connected to the drive nut so that the crank arm can pivot about the drive nut. The second member comprises apparatus for connecting the second member to the axle so that, as the drive nut moves along the drive screw, the axle connected to the second member is rotated. The first member of the crank arm slides along the second member of the crank arm as the drive nut moves and the axle turns.
REFERENCES:
patent: 2704947 (1953-04-01), Hopkins
patent: 3034760 (1962-05-01), Henrion
patent: 3063298 (1962-11-01), Elliott
patent: 3575378 (1971-04-01), Payne
patent: 3677108 (1972-07-01), Prikryl et al.
patent: 3877677 (1975-04-01), Daghe et al.
patent: 4023432 (1977-05-01), Killian
patent: 4149561 (1979-04-01), Dalton
Honeywell Inc.
Krizmanich George H.
Lenkszus Donald J.
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