Handling: hand and hoist-line implements – Grapple – Expanding
Patent
1978-06-12
1980-04-22
Paperner, L. J.
Handling: hand and hoist-line implements
Grapple
Expanding
198696, 414416, B66C 142
Patent
active
041991834
ABSTRACT:
An improved internal gripper apparatus for use in uncasers and the like for controllably gripping bottles or other containers from within for transport and release as desired. The internal grippers are spring-loaded to an outer position though automatically retract as required for insertion into the mouth of a container, gripping the container near the top, or at the ridge adjacent the top of the container characteristic of many containers. The improvement comprises a guide ring on the gripper at an elevation approximately equal to the highest relative position of a container during normal operation of the gripper apparatus. The guide ring may limit the uppermost position of any part of the container top or confine the radial position thereof, preferably both, to positively locate the container top and prevent cocking thereof. Chamfering of the lower edge of the ring provides a guide to encourage the gripper and container into axial alignment as the gripper proceeds into a container.
REFERENCES:
patent: 2271206 (1942-01-01), Pollard et al.
patent: 2609109 (1952-09-01), Ardell
patent: 3601261 (1971-08-01), Michot
patent: 3938847 (1976-02-01), Peyton
patent: 4032185 (1977-06-01), Peyton
patent: 4086999 (1978-05-01), McDonald
Industrial Automation Corp.
Paperner L. J.
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