Winding – tensioning – or guiding – Coil holder or support – Spool or core
Patent
1974-04-09
1976-01-20
Gilreath, Stanley N.
Winding, tensioning, or guiding
Coil holder or support
Spool or core
242 26, 252 43R, B65H 5406, B65H 5430
Patent
active
039333191
ABSTRACT:
The prior art apparatus to wind vertically running yarn was a vertical spindle with a pulley mounted on a driven shaft, a stationary yarn wheel guide, an upper vertically movable yarn guide wheel, a lower vertically movable yarn guide wheel, a double track cam vertically mounted with a driven pulley and shaft, an upper cam follower and shoe, a lower cam follower and shoe, cam housing having a vertical slot, a motor having both a spindle drive pulley and a cam drive pulley mounted on a drive shaft, a belt to drive the spindle from the motor and a belt to drive the cam from the motor. The motor would drive the vertical spindle and the cam by the connection of the driven pulleys to the motor drive pulleys with belts. The vertically movable yarn guide wheels were connected to their respective cam followers and the cam followers were both driven by this one double track cam to oscillate vertically in the cam housing slot. In this manner, the upper vertically movable yarn guide wheel oscillates in the upper half of the housing slot and the lower vertically movable guide wheel oscillates nearly the full length of the housing slot and for the full traverse of the winding yarn. The movable guide wheels, in concert, maintain a constant length of yarn between the stationary yarn wheel and the spindle. The stationary yarn wheel is centered with respect to the length of yarn traverse wound onto the vertical spindle. The improvement comprises a two-speed transmission used to drive the cam at two winds, and a high speed double track cam with the tracks cut so that the cam followers will describe a path at reversal along a 60.degree. angular displacement of a curve of cycloidal development. Thus, the spindle and the cam can start at a wind of from about 89 to about 152.52 and after about 0.1 to about 3 minutes, then change to achieve a wind of from about 11 to about 17. Yarn wound up in this manner can be unwound of speeds of up to 3,000 feet per minute or higher, for processing at speeds up to 8,000 feet per minute.
REFERENCES:
patent: 707684 (1902-08-01), Fay et al.
patent: 2284730 (1942-06-01), Elvin et al.
patent: 2524623 (1950-10-01), Colombu
patent: 2649254 (1953-08-01), Balthrop, Jr.
patent: 2965322 (1960-12-01), Wiering
patent: 3281086 (1966-10-01), Goodman et al.
patent: 3350021 (1967-10-01), Marciniak
patent: 3779472 (1973-12-01), Boggs
Boggs Beryl Aaron
Burnley, Jr. Harold George
Carr Robert David
Cary Lawrence Edward
Chafer Alistair James
Allied Chemical Corporation
Anderson Richard A.
Gilreath Stanley N.
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