Gripper mechanism for tension reel mandrel and the like

Details Gripper mechanism for tension reel mandrel and the like Gripper mechanism for tension reel mandrel and the like

1980-05-27

1981-07-28

McCarthy, Edward J.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 721, B21C 4706, B65H 7518

Patent

active

042806712

ABSTRACT:
A reel with an expandable mandrel support device for coiling material such as flat rolled steel strip or strips, the reel mandrel having a gripper mechanism for effectively securing each leading end to the reel mandrel which mechanism has numerous cam action gripper bars that singularly can increase gripping force as the tension in the strip strands clamped by one or more cams is developed by the reel; a positioning wedge assembly for these gripper bars constructed to first position and hold immovable, in an operative position, except for movement due to tension buildup, and secondly to positively and quickly release all gripper bars from the strand ends and hence from the reel mandrel when the coils formed by the reel mandrel are to be removed.

REFERENCES:
patent: 2920837 (1960-01-01), Wingard
patent: 3061224 (1962-10-01), Herr
patent: 3840197 (1979-10-01), Rodach
patent: 4078739 (1978-03-01), Noe

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