Advancing material of indeterminate length – With material-responsive control means – To position material laterally
Patent
1986-08-26
1989-01-03
Jillions, John M.
Advancing material of indeterminate length
With material-responsive control means
To position material laterally
B65H 2302
Patent
active
047950706
ABSTRACT:
A mechanism for maintaining a moving web of sheet material in its proper path along an edge guide in an apparatus such as a photographic printer. A compliant roller is mounted on a roller shaft which is pivoted at each end to a linkage which is itself pivoted relative to a stationary frame. This articulated linkage permits the roller to find its natural stable position, rolling on the moving web such that its axis, the roller shaft, is substantially perpendicular to the travel path of the web. A tension spring between frame and linkage biases the roller and the web toward its desired position along the edge guide.
REFERENCES:
patent: 3107036 (1963-10-01), Richards et al.
patent: 3265272 (1966-08-01), Smith
patent: 3986650 (1976-10-01), Swanke et al.
patent: 4303189 (1981-12-01), Wiley et al.
patent: 4647239 (1987-03-01), Maezawa et al.
Blanding Douglass L.
Morganti Terry N.
Eastman Kodak Company
Jillions John M.
Smith James A.
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