Machine element or mechanism – Mechanical movements – Reciprocating to reciprocating
Patent
1983-10-17
1985-11-19
Yeung, James C.
Machine element or mechanism
Mechanical movements
Reciprocating to reciprocating
74 8912, 308 6R, F16H 2144
Patent
active
045534446
ABSTRACT:
In a multiple stroke retractor mechanism for an article transfer apparatus having an elongated body and a pair of tracks mounting a reciprocal carriage, with opposed rack gears upon the body and carriage, a power reciprocated pinion carrier and longitudinally spaced opposed pairs of pinions journaled upon the carrier in mesh with the rack gears, the improvement comprising improved pinion carrier of channel from having side plates, longitudinally spaced laterally opposed pairs of first and second cam followers journaled upon the side plates upon horizontal and vertical axes supportably mounted upon and bearing against the sides of the tracks for constraining reciprocal movements of the carrier to unit horizontal and vertical planes. A modified carrier similarly mounted upon the tracks includes longitudinally spaced pairs of pulleys and timing belts supported upon the carrier and connected with the carriage, replacing the rack gears and pinions.
REFERENCES:
patent: 3365005 (1968-01-01), Berkoben et al.
patent: 3665771 (1972-05-01), Blatt
patent: 3742774 (1973-07-01), Blatt
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