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1. (WO2013123271) SURFACE MAINTENANCE VEHICLE WITH COMPACT SIDE BRUSH ASSEMBLY

Pub. No.:    WO/2013/123271    International Application No.:    PCT/US2013/026247
Publication Date: Fri Aug 23 01:59:59 CEST 2013 International Filing Date: Sat Feb 16 00:59:59 CET 2013
IPC: A47L 11/29
A47L 11/40
E01H 1/05
Applicants: TENNANT COMPANY
Inventors: SHINLER, Kevin, L.
WELLENS, Richard, W.
Title: SURFACE MAINTENANCE VEHICLE WITH COMPACT SIDE BRUSH ASSEMBLY
Abstract:
A surface maintenance vehicle with a compact side brush assembly. The side brush assembly includes a brush deck, a parallel linkage assembly, a swing arm, and an actuator assembly. The brush deck carries a floor-engaging brush. The parallel linkage assembly permits pivoting of the brush deck about a lift axis to raise and lower the brush deck. The swing arm is adapted to rotates to swing the brush deck towards and away from the floor surface maintenance machine. The actuator assembly includes a linear actuator and a slip link.