Apparatus for controlled manual unrolling of rolled flexible mat

Details Apparatus for controlled manual unrolling of rolled flexible mat Apparatus for controlled manual unrolling of rolled flexible mat

1982-12-10

1986-07-15

Levy, Stuart S.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

242 99, 294 97, B65H 2306, B25B 3300

Patent

active

046001638

ABSTRACT:
A hand grip member for insertion in the end of a tubular core for flexible rolled material such as plastic stretch film includes opposed handle portions projecting from one side of a support web which includes cylindrical bearing shoe segments projecting from the other side of the support web. The handle portions are spaced apart and may be squeezed to move toward each other thereby deflecting the web to cause the bearing shoes to expand radially into gripping engagement with the inner wall of the roll core to selectively control the drag on the roll as the material is unrolled in the stretch wrapping process. The hand grip members are preferably used in pairs and are preferably molded in one piece of a suitable elastic material such as nylon.

REFERENCES:
patent: 521245 (1894-06-01), Partridge
patent: 1110136 (1914-09-01), Hundhausen
patent: 1411292 (1922-04-01), Mueller
patent: 1825822 (1931-10-01), Rundell
patent: 2917249 (1959-12-01), MacLelland
patent: 3652027 (1972-03-01), Wong
patent: 4065080 (1977-12-01), Alison
patent: 4102513 (1978-07-01), Guard
patent: 4166589 (1979-09-01), Hoover et al.
patent: 4172567 (1979-10-01), Post
patent: 4179081 (1979-12-01), Parry
patent: 4248392 (1981-02-01), Parry
patent: 4372500 (1983-02-01), Saraisky

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