Selectively bi-directional tape feed mechanism

Details Selectively bi-directional tape feed mechanism Selectively bi-directional tape feed mechanism

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

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