Shear with inclined guides

Details Shear with inclined guides Shear with inclined guides

1979-11-21

1981-02-17

Schran, Donald R.

Cutting

Interrelated tool actuating means and means to actuate work...

Work clamp

83380, 83626, 83638, 83454, B23D 2300

Patent

active

042507820

ABSTRACT:
A shear comprising a lower fixed blade beam mounted within a frame, a guide carrier guided for vertical movement in the frame and an upper blade carrier rigidly attached to the guide carrier by releasable connecting means for concurrent vertical movement with the guide carrier. The blade carrier is reciprocated by drive means which lowers the blade and guide carriers to a lower position where the upper and lower blade beams are cooperatively opposed on opposite sides of a workpiece to begin a shearing operation. Inclined guide surfaces are provided on the guide and blade carriers for allowing the blade carrier to move obliquely with respect to the guide carrier upon release of the rigid attachment between the two carriers to perform a shearing operation.

REFERENCES:
patent: 97816 (1869-12-01), Robinson
patent: 995252 (1911-06-01), John
patent: 1515013 (1924-11-01), DeCosta
patent: 1561022 (1925-11-01), Rapp
patent: 2667922 (1954-02-01), Hill et al.
patent: 3391591 (1968-07-01), Funke

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