Drive mechanism

Details Drive mechanism Drive mechanism

1978-08-17

1981-06-16

Frazier, Roy D.

Machine element or mechanism

Mechanical movements

Reciprocating or oscillating to or from alternating rotary

F16H 2702

Patent

active

042729971

ABSTRACT:
A drive mechanism for converting rotary to linear movement. A portion of a drive cable is wrapped around a drive shaft. Rotation of the shaft causes the wrapped cable portion to take up a perpendicularly extending cable portion on one end, and feed out a perpendicularly extending cable portion on the other end. As it does so, the wrapped cable portion moves axially along the drive shaft. The diameter of the drive shaft and its site of rotation determine the speed of take-up, and feed out. Axial movement of the wound portion on the drive shaft is determined either by the pitch of the threads in a threaded section on the drive shaft, or the movement of control means on an externally threaded control shaft.

REFERENCES:
patent: 3044312 (1962-07-01), Hall et al.
patent: 3273408 (1966-09-01), Nagel et al.
patent: 3372599 (1968-03-01), Bratschi
patent: 3500692 (1970-03-01), Sangster et al.

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