Load reduction apparatus for a pivotal bobbin support arm

Details Load reduction apparatus for a pivotal bobbin support arm Load reduction apparatus for a pivotal bobbin support arm

1977-07-05

1979-02-20

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

B65H 5442, B65H 5452

Patent

active

041402863

ABSTRACT:
A pivotal bobbin support arm is under the influence of two spring elements. A first spring element is used to initially bias the support arm towards a friction drive drum during an initial phase of winding of a bobbin package and to thereafter biasing the arm away from the drive drum during a later phase of winding. The second spring element is a load reducing element which is secured to either the support arm or a frame element of the machine. This load reducing element biases the support arm away from the drive drum to counteract the contacting pressure of the bobbin package on the drive drum during winding. The load reducing spring element may be of composite structure or may be in the form of a flat spring. In either case the spring element is constructed so as to be manually mounted and detached without the use of tools.

REFERENCES:
patent: 3672583 (1972-06-01), Harrison
patent: 3672584 (1972-06-01), Macedo et al.
patent: 3991950 (1976-11-01), Tashiro et al.

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