B - Operations – Transporting – 30 – B
Patent
B - Operations, Transporting
30
B
164/141, 342/15,
B30B 15/00 (2006.01) B30B 15/28 (2006.01)
Patent
CA 1058010
Abstract of the Disclosure An anti-overrun device for the slide in a press is disclosed. The device comprises a rotary member secured to a crank shaft and having a lateral projection extending from one side of said rotary member, a cylinder secured to the framework of the press and receiving a piston for slidable movement therein, a pin supported by the piston for movement towards and away from the projection on the rotary member for engagement therewith, an oil pressure chamber defined between one end of the cylinder and the inner end of the piston so that pressure is generated in oil located in the chamber as the piston slidably moves into the cylinder, and a plurality of orifices formed in a side wall of the oil pressure chamber and positioned no that they are closed in turn as the piston slidably moves into the cylinder. The device is thus basically mechanical so that electrical failures and the like will not cause the anti-overrun device to fail to operate, thus increasing the safety of the press.
271835
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