Photocopying – Including fiber optics
Patent
1981-05-13
1984-10-02
Braun, Fred L.
Photocopying
Including fiber optics
G03G 1528, G03G 1532
Patent
active
044744528
ABSTRACT:
In an electrophotocopying machine having a reciprocating carriage driven by a constant speed chain having a drive pin coupled thereto. The machine includes a camming yoke fixedly connected to the reciprocating carriage and disposed in a plane parallel to the plane of the constant speed chain. The yoke includes a plurality of channels therein to receive the drive pin. The channels include an upper, horizontal channel open at both ends thereof, a lower, horizontal channel open at both ends thereof, and a pair of substantially vertical channels spaced from each other and connecting the upper and lower horizontal channels to each other. The yoke further includes an upper pawl pivotably secured to the top of the camming yoke and biased downwardly and having a slot therein for receiving the drive pin, and a lower pawl pivotably secured to the bottom of the camming yoke and biased downwardly and having a camming surface therein for receiving the drive pin, whereby the drive pin is released from driving engagement with the pawls if the carriage encounters a predetermined force.
REFERENCES:
patent: 3635554 (1972-01-01), Hodges
patent: 4297023 (1981-10-01), Nagoshi
patent: 4315683 (1982-02-01), Schmaling et al.
Braun Fred L.
Pitney Bowes Inc.
Scribner Albert W.
Sklar Lawrence E.
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