Machine element or mechanism – Mechanical movements – Oscillation or reciprocation to intermittent unidirectional...
Patent
1975-02-18
1976-12-07
Wyche, Benjamin W.
Machine element or mechanism
Mechanical movements
Oscillation or reciprocation to intermittent unidirectional...
F16H 2702
Patent
active
039955044
ABSTRACT:
A mechanism for producing bi-directional step motion of a shaft from a uni-directional source of rotation suitable for use in paper tape handling equipment includes a rocker plate rotatably mounted on an output shaft for rotation relative thereto. The rocker plate is caused to oscillate about the output shaft between a first limit and a second limit by a reciprocating connecting rod coupled to the rocker plate. A pawl is rotatably mounted on a pin secured to the rocker plate for engagement with a drive wheel secured to the output shaft. A timing means, a control means, and a control electromagnet cooperate to cause the pawl to engage with, or disengage from, the drive wheel at the limits of oscillation to cause the drive wheel and the output shaft secured thereto to step.
REFERENCES:
patent: 2507756 (1950-05-01), Boylan
patent: 3162794 (1964-12-01), Whitaker
patent: 3818773 (1974-06-01), Natori
Bell Edward L.
Lewis Charles R.
Ratliff, Jr. Wesley S.
The Singer Company
Wyche Benjamin W.
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