Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Reexamination Certificate
2007-11-20
2007-11-20
Redding, David (Department: 1744)
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
C015S314000, C015S316100, C108S050130, C108S050180
Reexamination Certificate
active
10981774
ABSTRACT:
A tabletop wood-waste-collecting machine includes a support frame, a machine base, a guide shade, a work faceplate and a dust-collecting unit. The machine base has its opposite upper side bored with plural transverse assistant guide grooves and its central portion bored with a longitudinal lower main guide groove communicating with a connecting opening in the front center. The guide shade covered on the lower main guide groove is formed with an upper guide groove. The work faceplate fixed on the topside of the machine base is bored with numerous wind-sucking vents. When the dust-collecting unit is started to operate, every wind-sucking vent of the work faceplate and the wind-sucking space in the machine base will receive a balanced suction force to let the wood waste produced completely sucked out.
REFERENCES:
patent: 1211325 (1917-01-01), Lilly
patent: 2973790 (1961-03-01), Huetter
patent: 3442230 (1969-05-01), Polen
patent: 6101666 (2000-08-01), Cheng
patent: 6792878 (2004-09-01), Cheng
patent: 6802266 (2004-10-01), Cheng
patent: 7040239 (2006-05-01), Shelton et al.
patent: 2005/0098006 (2005-05-01), Jorgensen
Chow Ming
Redding David
San Ford Machinery Co., Ltd.
Sinorica LLC
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