Circular spreader with a locking mechanism for keeping the sprea

Details Circular spreader with a locking mechanism for keeping the sprea Circular spreader with a locking mechanism for keeping the sprea

1992-03-13

1993-08-10

Crowder, Clifford D.

Textiles: cloth finishing

Expanding device for textile webs

Tubular-fabric-enclosed spreader

26 85, D06C 500

Patent

active

052337340

ABSTRACT:
Circular spreaders for tubular textile goods make it necessary to keep the spreader arms in a desired spread-out condition so that an unintended reduction in the diameter of the circular spreader is prevented. Such unintended reduction could be caused by operational vibrations or by impacts to which the spreader may be exposed during operation. For this purpose the spreader is equipped with a locking mechanism which, on the one hand, permits a continuous adjustment or a stepwise adjustment of the circular spreader to a maximum spread diameter and which, on the other hand, prevents a reduction of the once adjusted spreader diameter. A ratchet mechanism is provided for this purpose.

REFERENCES:
patent: 1280607 (1978-10-01), Widdowson
patent: 3204317 (1965-09-01), Hurt et al.
patent: 3370116 (1968-02-01), Wrede
patent: 3479706 (1969-11-01), Catallo
patent: 4306341 (1981-12-01), Rottensteiner
patent: 4885826 (1989-12-01), Strudel
patent: 4947529 (1990-08-01), Strudel
patent: 5077873 (1992-01-01), Strudel

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