Hand apparatus

Details Hand apparatus Hand apparatus

1992-10-09

1994-07-19

Kramer, Dean J.

Handling: hand and hoist-line implements

Grapple

Load shifting

294116, 4147443, B66C 142

Patent

active

053302419

ABSTRACT:
A hand apparatus easily attaches and detaches a punch to and from a punch attaching hole of an upper turret of a turret punch press. The hand apparatus includes a vertically and horizontally movable arm, a turnable cylinder attached to an end of the movable arm, and a support cylinder disposed inside the turnable cylinder, such that the support cylinder is horizontally moved and immobilized or restrained relative to the turnable cylinder. A turnable and tiltable hand is disposed inside the support cylinder, and a clamp is disposed at a lower end of the clamp hand.

REFERENCES:
patent: 3370213 (1968-02-01), Rose
patent: 3963271 (1976-06-01), Sugino et al.
patent: 4099762 (1978-07-01), Hultdin et al.
patent: 4166647 (1979-09-01), Schmidt
patent: 4372728 (1983-02-01), Murakami
patent: 4456447 (1984-06-01), Smith
patent: 4649622 (1987-03-01), Scott
patent: 4671732 (1987-06-01), Gorman
patent: 4705311 (1987-11-01), Ragard
patent: 5085556 (1992-02-01), Ohtomi

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