Presses – Reciprocating press construction – Range of movement adjustment
Patent
1978-02-09
1979-04-03
Wilhite, Billy J.
Presses
Reciprocating press construction
Range of movement adjustment
100292, B30B 126
Patent
active
041471024
ABSTRACT:
A press for clamping order blank pads, or the like, for gluing, includes upper and lower press plates and arrangements for applying firm clamping pressure to a stack of pads, with a few up to a large number of pads included in the stack, with a single motion of a clamping lever. The weight of the upper press plate is counter-balanced with an extension spring and parallelogram-type arrangement, whereby the upper press plate will remain in a fixed position wherever the operator locates it, so that the order blank pads to be clamped and glued may easily be placed in position between the two press plates. In the course of the clamping operation, a pressure clamping assembly associated with the movable upper press plate is initially engaged with a pair of threaded support members, and then further movement of the clamping lever provides camming action between the pressure clamping assembly and the upper press plate, pushing the upper press plate down to firmly clamp the order blanks between the upper and lower press plates.
REFERENCES:
patent: 505093 (1893-09-01), Clarke
patent: 514204 (1894-02-01), Taylor
patent: 543731 (1895-07-01), Hempsted
patent: 1126325 (1915-01-01), Westenhiser
patent: 1184904 (1916-05-01), Westenhiser
patent: 1203946 (1916-11-01), Westenhise
patent: 1270111 (1918-06-01), Brittain
patent: 1366516 (1921-01-01), Brittain
patent: 1856885 (1932-05-01), Rasmussen
patent: 2526987 (1950-10-01), Wilson
patent: 3986447 (1976-10-01), Zimmer
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