B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
100/53
B30B 15/00 (2006.01)
Patent
CA 1252334
ABSTRACT OF THE DISCLOSURE A drive device for a press wherein a drive device assembly provided with a quick-return mechanism capable of changing its speed characteristic in different degrees is built in a unitary case, each unit case being freely attachable and detachable at the crown center of the press, an output shaft of the drive device has its end portions projecting outwardly from both sides of the unit case and is coupled with a main crankshaft at its end portions through couplings, a main gear located in the unit case is divided into two parts to form a hollow section therebetween, and a link drive a balance weight for the linkage are built in the hollow section.
482615
Matsui Akira
Nakamura Yuichi
Sugawara Masayoshi
Aida Engineering Ltd.
Riches Mckenzie & Herbert Llp
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