Pneumatic sponge mop

Details Pneumatic sponge mop Pneumatic sponge mop

1988-02-05

1989-04-04

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Implements

Combined

152441, A47L 1312

Patent

active

048172286

ABSTRACT:
An improved automatic sponge mop with a hollow handle containing a piston which when pulled backwards creates a vacuum in the wringer mechanism. The wringer is an airtight box with a movable bottom and flexible walls capable of collapsing in upon itself in response to the vacuum and in so doing compressing an affixed sponge. After the sponge is wrung out the user pushes the piston downwards and the process is reversed, opening the sponge into its original cleaning position. The sponge is held in place by dovetail fasteners which allow easy removal by pulling sideways on the sponge until it slides off the wringer. Similarly, replacement is accomplished by engaging the tongue and groove connections and pushing the sponge back on. Sliding and removal are inhibited because the sponge is always under tension from the springlike walls of the wringer.

REFERENCES:
patent: 2983944 (1961-05-01), Uselis
patent: 4322865 (1982-04-01), von Meyer

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