Conveyors: power-driven – Conveyor section – Reciprocating conveying surface
Patent
1976-05-10
1977-09-27
Blunk, Evon C.
Conveyors: power-driven
Conveyor section
Reciprocating conveying surface
198488, B65G 2502
Patent
active
040505715
ABSTRACT:
A workpiece transfer mechanism having a walking beam carried by a slide mounted for reciprocal movement on a bed or table. A particular bell crank linkage is provided so that a single hydraulic cylinder both raises and lowers the walking beam with respect to the slide and also moves the slide longitudinally with respect to the table. The table is carried by a second slide for reciprocation of the table by a second hydraulic cylinder.
REFERENCES:
patent: 2907236 (1959-10-01), Peterson
patent: 3086642 (1963-04-01), Schwarz
patent: 3161284 (1964-12-01), Ashworth
patent: 3662876 (1972-05-01), Hollis
Blunk Evon C.
Thomson Richard K.
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