Collapsible drum

Details Collapsible drum Collapsible drum

1994-07-26

1995-11-21

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 7524

Patent

active

054679397

ABSTRACT:
The collapsible drum comprises flange plates associated with a hub made up of hinged elements, each of which comprises two portions having respective ends that face each other and that are connected together, and respective opposite ends that are connected to respective ones of the flange plates via collapsible hinge means, and at least one reinforcing and locking member extending axially inside the hub and providing a resilient link tending to urge the flange plates towards each other.

REFERENCES:
patent: 1742584 (1930-01-01), Daubmeyer et al.
patent: 1913477 (1933-06-01), Daubmeyer et al.
patent: 2425827 (1947-08-01), Rancourt
patent: 2909340 (1959-10-01), Whitaker
patent: 3536555 (1987-04-01), Dex
patent: 3791606 (1974-02-01), Brown
patent: 4066224 (1978-01-01), Hargreaves et al.
patent: 5169086 (1992-12-01), Vesely

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