Handling: hand and hoist-line implements – Hook – hoistline – or grab type – Locking device
Patent
1992-09-16
1995-01-24
Kramer, Dean J.
Handling: hand and hoist-line implements
Hook, hoistline, or grab type
Locking device
294115, 294907, 901 37, B25J 1508, B66C 128
Patent
active
053836979
ABSTRACT:
The invention relates to a pneumatic prehension device or pincers constituted by a body pierced with a cylinder-forming boring inside which a piston can slide under the action of pressurized air. Two fingers are movably mounted on the body so that they can assume all of the positions found between an extreme open position and an extreme closed position. A shackle comprises a governing mechanism for opening and closing of the fingers. When it slides, the piston is capable of driving the shackle in translation so as to govern the opening or the closing of the fingers. The shackle (12) has a cylindrical head (13) provided to slide and be guided inside a bore (3), the axis of which is the same at the axis of bore (2) that receives piston (5). The shackle also comprises a coaxial rod (17) at the end of which piston (5) is assembled with radial play.
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patent: 5040836 (1991-08-01), Roudaut
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