Fluid coupling device

Details Fluid coupling device Fluid coupling device

1985-03-19

1986-03-11

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

2771675, 464 18, 464 73, B65H 54547

Patent

active

045750157

ABSTRACT:
A thread bobbin holder device having improved sealing between shafts, and consequently less bearing wear. The bobbin holder device is constituted by a bobbin holder body with a bobbin fitted on the outer circumference thereof through a bobbin holder member. A piston controlling the amount of tension between the bobbin and the bobbin holder member is provided inside the bobbin holder body. A holder shaft and a second shaft are provided, both of which have a longitudinal throughhole formed therein. A support body rotatably supports the bobbin holder body. A shaft joint connects the holder shaft and the second shaft. A tubular elastic member is disposed in the shaft joint and is fitted into respective end portions of the holder shaft and the second shaft.

REFERENCES:
patent: 101488 (1870-04-01), Mendham
patent: 2135634 (1938-11-01), Byrom
patent: 2719412 (1955-10-01), Croset
patent: 3217922 (1965-11-01), Glasgow
patent: 3396556 (1968-08-01), Giegerich
patent: 3495781 (1970-02-01), Graf et al.
patent: 3554455 (1971-01-01), Graf
patent: 3884049 (1975-05-01), Pauli
patent: 3977616 (1976-08-01), Owens et al.
patent: 4384728 (1983-05-01), Koltookian
patent: 4458850 (1984-07-01), Sugioka et al.

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