Cooperating cover mechanisms

Details Cooperating cover mechanisms Cooperating cover mechanisms

1985-08-08

1986-04-29

Pollard, Steven M.

Receptacles

Closures

Superposed closures for common opening

220 1T, 220335, 206305, B65D 7900

Patent

active

045851395

ABSTRACT:
The housing (12) of a printer-plotter (10) includes a top cover (14) and a front cover (30) on adjoining housing walls. The top cover (14) is biased toward its open position by a gas spring (20) that is held closed by cooperating latch mechanisms on the top cover (14) and the front cover (30) in such a manner that the top cover (14) opens automatically when the front cover (30) is opened. When the top cover (14) is initially closed, a pivotable latch (22) on the top cover (14) engages a catch (24) on the housing (12) to hold the top cover (14) closed. When the front cover (30) is subsequently closed, a disengaging plate (48) causes the latch (22) to pivot out of engagement with the catch (24) and thus permit the top cover (14) to pivot slightly. However, a stop member (54) on the disengaging plate (48) prevents the top cover (14) from opening. Since the latch (22) no longer engages the catch (24), the top cover (14) automatically opens under the force of the gas spring (20) when the front cover (30) opens.

REFERENCES:
patent: 4182530 (1980-01-01), Hodge
patent: 4424899 (1984-01-01), Rosenberg
patent: 4458813 (1984-07-01), Tushinsky
patent: 4513877 (1985-04-01), Taguchi et al.

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