Cylinder and hub locking method and apparatus

Details Cylinder and hub locking method and apparatus Cylinder and hub locking method and apparatus

1987-04-28

1989-10-31

Braun, Fred L.

Photocopying

Projection printing and copying cameras

Image transferred to or from curved surface

29123, 355117, 411907, 411915, G03B 2722, G03B 2758

Patent

active

048780855

ABSTRACT:
A method and apparatus for locking the drive hubs of a forms overlay station in a laser electrographic printer to its transparent forms overlay drum includes counterboring a plurality of holes through the drum into the hubs, inserting a resilient member such as an O-ring into each counterbored hole, and compressing the resilient member to form an interference fit among the compressed resilient member and an interface formed within the counterbored hole by the drum and hubs.

REFERENCES:
patent: 2257538 (1941-09-01), Schlueter
patent: 2512487 (1950-06-01), De Lacy
patent: 2678585 (1954-05-01), Ellis
patent: 3566497 (1971-03-01), Hamlen
patent: 3858287 (1975-01-01), Christoffersen
patent: 4030826 (1977-06-01), Sangster
patent: 4289060 (1981-09-01), Emmett
Timoshenko, S. and Young, D. H., Elements of Strength of Materials, N.Y., D. Van Nostrand Company, 1968, pp. 86-91.
Hopkins, R. Bruce, "Seals", in: Shigley, J. E. and Mischke, C. R., Standard Handbook of Machine Design, N.Y., McGraw-Hill Book Company, 1986, pp. 26.24-26.39, TJ230.S8235.

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