Paying out/winding in device for eliminating torsion in a line i

Details Paying out/winding in device for eliminating torsion in a line i Paying out/winding in device for eliminating torsion in a line i

1990-02-21

1991-10-22

Jillions, John M.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

191 124, B65H 7538

Patent

active

050588192

ABSTRACT:
A paying out/winding in device eliminates torsion in a line in a rotary connection betweeen a fixed member and a mobile member to which respective ends of the line are fixed. This device comprises a fixed spool carrying a relatively small number of turns and fastened to the fixed member. A mobile spool near and coaxial with the fixed spool carries a relatively small number of turns and is fastened to the mobile member. An arm rotatable about the axis of the fixed and mobile spools carries a satellite pulley at its free end. It is rotatable about an axis inclined at a relatively small angle to the axis of the fixed and mobile pulleys. When rotating more slowly than the mobile spool, it transfers line from the mobile spool to the fixed spool or vice-versa. The arm is rotated by a system which comprises at least one sliding coupling having a primary member, a secondary member fastened to the arm and a first freewheel mechanism coupling the primary member to the mobile spool. A second freewheel mechanism couples the secondary member to the fixed spool.

REFERENCES:
patent: 2605977 (1952-08-01), Gleason
patent: 2874918 (1959-02-01), Steiber
patent: 3099412 (1963-07-01), Nystrom et al.
patent: 3120355 (1964-02-01), Bowman
patent: 4036448 (1977-07-01), Carey et al.
patent: 4065066 (1977-12-01), Swett et al.
patent: 4565333 (1986-01-01), Meneian
"Treating Device in Rotary Section for Cable and the Like", vol. 8 146 (M-307) (1583) Jul. 7, 1984.

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