Surface sweeping machine with tilting blower housing

Details Surface sweeping machine with tilting blower housing Surface sweeping machine with tilting blower housing

2005-08-08

2011-11-22

Redding, David (Department: 3723)

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

C015S340300, C015S352000

Reexamination Certificate

active

08060978

ABSTRACT:
A road sweeper includes a blower housing having an opening, a hopper having an opening, and the openings being in axial alignment when the hopper and blower housing are each in a sweeping position thereof. The blower housing is biased for tilting movement from its sweeping position to an inclined dump position upon relative movement of the hopper to preclude abrasion, wear and damage to an O-ring seal disposed between the openings. The blower housing can also be moved to a third repair position in which components thereof are accessible from the cab side of the sweeper.

REFERENCES:
patent: 3512206 (1970-05-01), Young
patent: 3545181 (1970-12-01), Young
patent: 3634904 (1972-01-01), Larson
patent: 3959846 (1976-06-01), Yasuda
patent: 4227893 (1980-10-01), Shaddock
patent: 4885817 (1989-12-01), Tanase
patent: 5072485 (1991-12-01), Young
patent: 5218737 (1993-06-01), Dansby et al.
patent: 5596788 (1997-01-01), Linville et al.
patent: 2004/0045111 (2004-03-01), Engel et al.
patent: 10118500 (2002-08-01), None
patent: 1203888 (1970-09-01), None
German Patent Application No. 10 2006 036 016.8-25—First Office Action mailed Jan. 16, 2009.
Canadian Patent Application No. 2,555,123—Canadian Patent Office Examination Report mailed by CIPO (Canadian Intellectual Property Office) on Sep. 16, 2009.

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