Winding machine arbor with strain relief protection

Winding – tensioning – or guiding – Coil holder or support – Spool or core

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242 717, H01F 4106

Patent

active

046696750

ABSTRACT:
An arbor for winding an electrical coil on a winding form or bobbin utilizes a centrifugally actuated pin. The pin is initially in place so that the first lead-in wire is formed with a strain relief loop. As the arbor is rotated for winding of a coil, the pin is centrifugally removed thereby eliminating any stress that would break a fine wire during winding.

REFERENCES:
patent: 3085765 (1963-04-01), Ulrich
patent: 3314452 (1967-04-01), Cartwright et al.
patent: 3332633 (1967-07-01), Carson
patent: 3465982 (1969-09-01), Coshow
patent: 3643326 (1972-02-01), Boke et al.
patent: 3666197 (1972-05-01), Coshow
patent: 4610278 (1986-09-01), Damon et al.

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