Apparatus for selectively resisting the rotation of spindles of

Details Apparatus for selectively resisting the rotation of spindles of Apparatus for selectively resisting the rotation of spindles of

1991-01-30

1992-03-31

Hail, III, Joseph J.

Textiles: spinning, twisting, and twining

Apparatus and processes

Stopping or starting

57100, D01H 1314

Patent

active

050996398

ABSTRACT:
A rotation preventing apparatus presents rotation of the spindles of a textile machine due to the rotative forces applied by yarn tension during de-actuation of the drive motors of the spindles. The rotation preventing apparatus includes a reciprocable member supporting a plurality of brake shoe components adjacent the spindles and a commonly actuating assembly including pneumatic cylinder and piston members for reciprocably moving the reciprocable member between a position in which the brake shoe components brakingly contact the spindles and a position in which the brake shoe components are displaced from the spindles to permit normal rotation thereof. According to one aspect of the present invention, a contoured plate member is substituted for the brake shoe components. According to another aspect of the present invention, an expandable elastomeric member is supported adjacent the spindles and is selectively expandable to brake the rotation of the spindles.

REFERENCES:
patent: 3108428 (1963-10-01), Mortensen
patent: 3426520 (1969-02-01), Bucher et al.
patent: 3599415 (1971-08-01), Jaeggli
patent: 3805504 (1954-04-01), Franzen
patent: 3950931 (1976-04-01), Bleeck
patent: 4028873 (1977-06-01), Schulz et al.
patent: 4336684 (1982-06-01), Hartmannsgruber et al.
patent: 4817371 (1989-04-01), Wolf
patent: 4908534 (1990-03-01), Gubler et al.

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