Roller unit and imaging apparatus using the same

Details Roller unit and imaging apparatus using the same Roller unit and imaging apparatus using the same

1995-09-28

1999-09-07

Tran, Huan

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347264, 347218, 271272, 271273, B65H 506, B41J 13076, B41J 1303

Patent

active

059494700

ABSTRACT:
Disclosed is a roller unit comprising a roller rotatable about a shaft, a bearing for supporting the shaft, and a mechanism for imparting a pre-load to the bearing, characterized in that the mechanism has structure capable of varying the pre-load. This roller unit is mounted on the frame of an imaging apparatus or the like, and is designed such that during the mounting thereof, the pre-load becomes great to thereby eliminate the play (backlash) of the bearing.

REFERENCES:
patent: 5181715 (1993-01-01), Ohkoda et al.
patent: 5359425 (1994-10-01), Maehara et al.

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