Wedge actuated cutting and/or forming tools

Details Wedge actuated cutting and/or forming tools Wedge actuated cutting and/or forming tools

1974-07-15

1976-02-24

Lanham, C. W.

Metal deforming

With means to drive tool

With means to selectably control movement of tool

72452, 72453, 83529, 100291, B21D 706

Patent

active

039396860

ABSTRACT:
A wedge actuated cutting and/or forming tool comprises a frame including spaced guide portions. A fixed platen is mounted on the frame and a movable platen is mounted on the guide portions of the frame for reciprocation toward and away from the fixed platen. A wedge is supported for lateral reciprocation with respect to a backup and thereby effects reciprocation of the movable platen. The wedge is driven by a hydraulic cylinder and switch means are provided for regulating both the separation between the movable platen and the fixed platen at the closest point and the total stroke of the movable platen. The frame further includes a hydraulic reservoir which receives a substantial quantity of hydraulic fluid. By this means the structure of the reservoir and the hydraulic fluid therein tend to stabalize the tool and dampen vibrations caused by the operation thereof.

REFERENCES:
patent: 552710 (1896-01-01), Jefferies
patent: 1051381 (1913-01-01), Berry
patent: 2433672 (1947-12-01), May
patent: 3121364 (1964-02-01), Castle
patent: 3269246 (1966-08-01), Hanggi
patent: 3623389 (1971-11-01), Krynytzky
patent: 3668919 (1972-06-01), Hongo
patent: 3678792 (1972-07-01), Dvorak
patent: 3743469 (1973-07-01), Gibbons
patent: 3844157 (1974-10-01), Bachmann

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