Self-adjusting wiper strip assembly for a vacuum cleaner

Details Self-adjusting wiper strip assembly for a vacuum cleaner Self-adjusting wiper strip assembly for a vacuum cleaner

1988-05-02

1989-09-12

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15364, 15401, A47L 902

Patent

active

048646822

ABSTRACT:
A self-adjusting wiper strip assembly for use with a vacuum cleaner includes a surface engaging wiper strip made of a relatively soft, compliant plastic material. The wiper strip includes a colored tip portion; when the colored tip portion wears off, an operator is alerted to the need to replace the wiper strip assembly. The wiper strip is connected to a relatively hard, plastic rigid component that provides rigidity to the wiper strip. The rigid component is connected by a relatively soft, flexible, web-like plastic hinge component to a relatively hard, plastic attachment component that removably, securely attaches the wiper strip assembly to the vacuum cleaner. The hinge component automatically enables the wiper strip to move vertically with respect to the attachment component so that the wiper strip automatically adjusts its vertical position depending on the type of surface being cleaned by the vacuum cleaner.

REFERENCES:
patent: 3460188 (1969-08-01), Boyd
patent: 4075730 (1978-02-01), Siemund
patent: 4607411 (1986-08-01), Lewis

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