Vacuum cleaner dust bowl latch and release system

Details Vacuum cleaner dust bowl latch and release system Vacuum cleaner dust bowl latch and release system

1989-01-09

1990-05-29

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15352, A47L 524

Patent

active

049283472

ABSTRACT:
A dust bowl of a hand-held vacuum cleaner is attached to a power unit using top and bottom latches which are actuated by pushing a single actuator button. Both latches are outside a sealed space through which air flows, and are thus not sources of air, soil of liquid leakage. A wishbone-shaped pusher transmits mechanical actuation forces from the actuator button for actuating the upper latch to a spring bar connected to a bottom latch cam. When the actuator button is pushed, the spring bar is correspondingly moved to release the bottom latch in coordination with release of the top latch. A forward support member of the power unit cradles a portion of the dust bowl to provide support and lateral stability between the elements. A tab extends from the bottom of the dust bowl to overlap a forward edge of the forward support member to provide further stability to the fit.

REFERENCES:
patent: 4542557 (1985-09-01), Levine
patent: 4610048 (1986-09-01), Ishihara et al.
patent: 4665582 (1987-05-01), Richmond et al.
patent: 4821366 (1989-04-01), Levine

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