B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
100/48, 74/68
B30B 1/26 (2006.01) B30B 1/06 (2006.01) B30B 1/14 (2006.01) B30B 15/06 (2006.01) B30B 15/18 (2006.01) B30B 15/28 (2006.01)
Patent
CA 1298488
Abstract of the Disclosure A crankshaft mechanism for use with a press having a slide member which comprises an eccentric crankshaft having first and second cylindrical portions. The first portion is rotatable within a housing about a longitudinal axis and the second portion, of greater diameter than the first portion, has a center which is displaced radially from the longitudi- nal axis. An eccentric sheave is rotatably mounted on the outer circumference of the second portion of the crankshaft, and a connecting member is rotatably mounted on the outer circumference of the sheave. The second portion of the crankshaft, sheave and connecting member are provided with first, second and third radial bores respectively which are in alignment when the crankshaft is at its bottom dead center position. A locking means slides within the radial bores and is displaceable by an actuating means to a first position in which the crankshaft is connected to the sheave and a second position in which the sheave is connected to the connecting member. In the first position, the connecting member is free for movement with respect to the sheave and in the second position the sheave is free for movement with respect to the crankshaft. In addition, an auxiliary stop position correcting device is provided for stopping the slide member at a predetermined position.
540846
Shiga Masakatsu
Sugawara Masayoshi
Aida Engineering Ltd.
Shiga Masakatsu
Sugawara Masayoshi
Swabey Ogilvy Renault
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