Self-aligning swivel assembly for push-pull cable control lever

Machine element or mechanism – Control lever and linkage systems – Hand operated

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Details

74570, F16C 110, G05G 100, G05G 300

Patent

active

044534280

ABSTRACT:
A control lever assembly for actuating a control cable, particularly a cable of the type capable of transmitting compressive forces as well as tensile forces, known as a push-pull cable. The assembly has a lever journalled for rotation relative to a body thereof, and a core anchoring structure adapted to rotate with the lever and to be subjected to relative lateral movement during such rotation. The core anchoring means anchors one end of a core of the control cable, and a sheath retaining means retains a portion of a sheath of the cable to restrict axial movement of the sheath following actuation of the cable. A connecting structure, which is structurally independent of the control cable, cooperates with the sheath retaining structure and the core anchoring structure to swivel the sheath retaining structure in response to rotation of the core anchoring structure. Thus, the sheath retaining structure swivels to accommodate the lateral movement of the core anchoring structure to maintain approximate alignment of the sheath with the core so as to reduce a tendency of the core to buckle under compressive loads.

REFERENCES:
patent: 2602179 (1952-07-01), Biraben
patent: 2884109 (1959-04-01), Morse
patent: 2968194 (1961-01-01), Thompson et al.
patent: 2975653 (1961-03-01), Morse
patent: 3085447 (1963-04-01), Shay
patent: 4019402 (1977-04-01), Leonhart

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