Brushing – scrubbing – and general cleaning – Implements – Fabric
Patent
1997-10-09
2000-08-29
Snider, Theresa T.
Brushing, scrubbing, and general cleaning
Implements
Fabric
15 98, A47L 11164
Patent
active
061088560
ABSTRACT:
A molded pad driver for use with floor maintenance machines including structure that defines a circular disc-like body, the body defining a driving surface that is abuttably engageable with a driven surface of a floor maintenance pad to which it is attached. The driving surface is at least partially defined by a plurality of sets of protrusions with each set of protrusions preferably consisting of a plurality of protruding members arranged in a circular patterns, such that each protruding member of a set is at a slightly different orientation with respect to all of the members of a set, as viewed from a plane parallel to a plane of the pad driver. Each protruding member preferably consists of an arrowhead member including a stanchion that extends axially from a base surface on the pad driver and terminates in an arcuate crossbar that extends generally laterally with respect to the rotational axis of the pad driver. Each arrowhead member defines a camming nose which facilitates release of the arrowhead member from a molding surface used to mold the arrowhead member.
REFERENCES:
patent: 3115660 (1963-12-01), Hunt
patent: 3823516 (1974-07-01), Christian
EWU Products informational ad on Padholder Series 400, 1991.
A sample piece of a prior art pad driver.
Drawings (Exhibits 1 and 2) showing a prior art molding apparatus.
Drawing (Exhibit 3) showing detail of a prior art hook or arrowhead-like member.
Blazek John D.
Shary Kenneth L.
Snider Theresa T.
The Malish Corporation
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