05231725 is referenced by 17 patents and cites 5 patents.

A self-propelled industrial cleaning machine has a cylindrical horizontally mounted rotatable cleaning brush. There is a torsionally rigid connecting member extending generally parallel to the brush. A rigid arm is attached to each end of the connecting member, with each arm supporting an end of the brush. There is a hand operable latch for releasing one of the arms to permit removal or replacement of the brush, with the hand operable latch being arranged to retain the one arm and attachment to the connecting member, with release thereof permitting removal of the arm from the connecting member and brush.

Title
No-tool brush changing means
Application Number
7/907858
Publication Number
5231725
Application Date
July 2, 1992
Publication Date
August 3, 1993
Inventor
Michael S Wilmo
Crystal
MN, US
Robert D Hennessey
Golden Valley
MN, US
Agent
Kinzer Plyer Dorn McEachran & Jambor
Assignee
Tennant Company
MN, US
IPC
E01H 1/04
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