Recording and/or reproducing apparatus

Details Recording and/or reproducing apparatus Recording and/or reproducing apparatus

1981-02-02

1983-05-17

Christian, Leonard D.

Advancing material of indeterminate length

By orbitally traveling material-engaging surface

Including details of roll or mount

B65H 1720

Patent

active

043836321

ABSTRACT:
A capstan drive tape recorder having a pressure roller on an arm which is pivotable to hold the tape against the capstan. To move the arm between the operating and a rest position, the arm is connected by a spring to a lever, the arm and lever being pivotable about the same axis. An actuating device moves the lever to bring the pressure roller into engagement with a tape against the capstan. In moving the arm, the lever is first pivoted about one axis, and then about a second axis so that the mechanical advantage of the lever is changed between a ratio which moves the roller a considerable distance, and a ratio which biases the roller against the capstan.

REFERENCES:
patent: 3669331 (1972-06-01), Renold
patent: 3689076 (1972-09-01), McAlvay
patent: 3764052 (1973-10-01), Scully
patent: 3877627 (1975-04-01), Boase et al.
patent: 3884407 (1975-05-01), Sugimizo

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