Threading tool

Details Threading tool Threading tool

1981-09-28

1983-12-06

Taylor, Billy S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

140124, H01B 1300, B21F 1500, B65H 4900

Patent

active

044188757

ABSTRACT:
A threading tool intended primarily for use as an electrical wiring pencil has a tubular body housing a manually operable brake member which can be moved into frictional engagement with the edges of a rotatable spool to restrain movement of connecting wire through the body. The brake member is housed in a recessed channel which is open to the outside of the body along its entire length via a relatively narrow slot. The slot and the channel are open at the spool end of the tool to allow easy assembly of the brake member into the tool. Insertion and removal of the spool is performed by prising apart jaws at the end of the body. When inserted, the spool holds the brake member in place.

REFERENCES:
patent: 740654 (1903-10-01), Hochstrasser
patent: 1231407 (1917-06-01), Milliorn
patent: 2474463 (1949-06-01), Burrell
patent: 2682063 (1954-06-01), Miloche
patent: 3913630 (1975-10-01), Rubey
patent: 3967661 (1976-07-01), Scoville et al.
patent: 4177555 (1979-12-01), Weltman et al.

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