Advancing material of indeterminate length – With material-responsive control means – To position material laterally
Patent
1978-05-04
1980-05-27
Gilreath, Stanley N.
Advancing material of indeterminate length
With material-responsive control means
To position material laterally
B65H 2526
Patent
active
042046190
ABSTRACT:
This invention pertains to a web guide apparatus having a pivoted frame upon which are mounted parallel, constant diameter rollers. This frame is pivotally secured at one end near a roller and is moved around this pivot by an actuating mechanism such as an air or hydraulic cylinder or by a reversing motor. This movable frame is supported for a pivotal motion by a plurality of stanchions secured to a support plate frame. Each stantion has an upper and a lower ball caster or support. These balls have a specific apart spacing into which a hardened steel plate segment extends as carried by the pivoted frame. This pivoted frame and the parallel rollers fixed thereto are moved by a motor or cylinder means in accordance with edge sensing means.
REFERENCES:
patent: 3326435 (1967-06-01), Shelton
patent: 3373288 (1968-03-01), Otepka et al.
patent: 3390823 (1968-07-01), Ott, Jr.
patent: 3581963 (1971-06-01), Rule
patent: 3599849 (1971-08-01), Callan
patent: 3682362 (1972-08-01), Ott, Jr.
patent: 3724732 (1973-04-01), Bonner
patent: 4069959 (1978-01-01), Bartell et al.
Gilreath Stanley N.
Roberts Ralph R.
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