B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
100/53
B30B 15/00 (2006.01) B30B 1/10 (2006.01)
Patent
CA 1127450
ABSTRACT A pneumatically operated press in which the moving press plunger is actuated by a toggle linkage which is itself actuated by a second toggle linkage. The end link of this second linkage is actuated by a large diameter pneumatic ram while the pivotal point of this second toggle linkage is connected to a relatively small diameter pneumatic ram, or some other actuator. An automatic switch engages a valve to admit air to the larger ram when the smaller ram has moved the second toggle into an in-line position. The ram may be replaced by a manual operating lever.
333815
Johnson & Hicks
Mcglennon Gordon L.
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