Built-in lifting and manipulating hydraulic jacks for crossheads

Details Built-in lifting and manipulating hydraulic jacks for crossheads Built-in lifting and manipulating hydraulic jacks for crossheads

1986-03-27

1988-03-08

Spruill, Robert L.

Metal deforming

With tool carrier

52749, 100214, 248678, 248637, 2940208, B21D 3712

Patent

active

047292342

ABSTRACT:
Hydraulic jacks, stands and other support structures for temporarily supporting and/or lifting the crosshead of a forging press or other components thereof are built-in at the foundation pit of the forging press. As the need arises to support or lift the lower crosshead during maintenance, repair or daylight adjustment procedures, the support and lifting implements can be rolled from under specially provided alcoves in the foundation pit to predetermined locations under the forging press. The permanent location of the support implements in the foundation pit reduces the down time of the forging press from a week or more to about one or two days.

REFERENCES:
patent: 1999249 (1935-04-01), Meyercord et al.
patent: 3316749 (1967-05-01), Beard
patent: 3802150 (1974-04-01), Melton et al.
patent: 3931728 (1976-01-01), Trolle
patent: 3969921 (1976-07-01), Jonsson et al.

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