Pneumatic devices

Details Pneumatic devices Pneumatic devices

1995-02-07

1996-07-23

Kramer, Dean

Handling: hand and hoist-line implements

Grapple

Expanding

294 88, 2941191, B66C 154

Patent

active

055383041

ABSTRACT:
It is well known to use pneumatically-operated devices for handling containers, such as, gripping finger mechanisms and suction devices. However, the former type of mechanism can be unstable and the contents of the container can easily be spilled as the container is moved from one location to another. In the latter type, the top of the container needs to be undamaged to ensure proper engagement. Described herein is an improved pneumatically-operated device in which a plurality of pistons (22, 24, 26, 28, 30) are housed in a body portion (10), the pistons (22, 24, 26, 28, 30) being operated by an air supply to move a split ring (40) into and out of engagement with a container to move it from one location to another.

REFERENCES:
patent: 2826445 (1958-03-01), Tidland
patent: 3880294 (1975-04-01), Arseneault
patent: 4114909 (1978-09-01), Taitel et al.
patent: 4173368 (1979-11-01), Haverbusch
patent: 4245861 (1981-01-01), Harry et al.
patent: 4955655 (1990-09-01), Caracciolo, Jr. et al.
patent: 5011207 (1991-04-01), Stevens

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