Pneumatic sponge mop

Details Pneumatic sponge mop Pneumatic sponge mop

1980-09-18

1982-04-06

Bleutge, Robert L.

Brushing, scrubbing, and general cleaning

Implements

Combined

15244R, A47L 13146

Patent

active

043228658

ABSTRACT:
An improved automatic sponge mop with an airtight hollow handle containing a piston which when pulled backwards by the user creates a vacuum in an air chamber. The air chamber has a diaphragm sealing the bottom of it which will move upward in response to the vacuum pulling with it the bottom of a hinged box which folds in upon itself and in so doing compresses an affixed sponge. After the sponge is wrung out the user simply pushes the piston downwards and the process is reversed, opening the sponge to its original cleaning position. The sponge is held in place by dovetail fasteners which allow easy removal by simply pulling sideways on the sponge until it slides off the wringer. Similarly, replacement is accomplished by engaging the tongue and groove connection and pushing the sponge back on. Sliding and accidental removal are inhibited because the sponge is always under tension from the springlike walls of the wringer.

REFERENCES:
patent: 1912543 (1933-06-01), Sendler
patent: 2733467 (1956-02-01), Garro
patent: 2926373 (1960-03-01), Knapp
patent: 2961676 (1960-11-01), Rebernak et al.
patent: 2996743 (1961-08-01), Noble
patent: 3233269 (1966-02-01), Scheffold
patent: 3806982 (1974-04-01), Park
patent: 4196488 (1980-04-01), Barry

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