Expandable cylindrical chuck for coiler or uncoiler

Details Expandable cylindrical chuck for coiler or uncoiler Expandable cylindrical chuck for coiler or uncoiler

1993-01-14

1994-11-01

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Radially expansible or contractile

B65H 7524

Patent

active

053601823

ABSTRACT:
An expandable cylindrical chuck for a coiler, with at least one restricted position and one expanded position. The chuck has a longitudinal axis (1) and comprises a chuck body (3) with a nose (5) and a rear section (7) a tubular sheath (9), segments (11) movable crosswise with respect to the longitudinal axis (1), a control shaft (15) controlling the longitudinal displacement of the segments (11), closing bars (17) located parallel to the longitudinal axis (1) between and in contact with the segments, a pinching bar (23) and a driving shaft (2). The nose (5) and the rear section (7) of the chuck body (3) each comprise an annular surface (39, 41) ensuring tight contact between the chuck body (3) and the segments (11) and between the closing bars (17) and the pinching bar (23).

REFERENCES:
patent: 2280970 (1942-04-01), O'Neil et al.
patent: 2941745 (1960-06-01), Sterling et al.
patent: 5123606 (1992-06-01), Braun et al.

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