04942639 is referenced by 2 patents and cites 8 patents.

A bulky dust sweeper has side brushes for brushing and gathering bulky dust, and a main brush mounted on a bottom portion of its vehicle body and adapted to sweep the bulky dust into a hopper. The bulky dust sweeper also has a scrape-in device disposed within the hopper for scraping the bulky dust which has been swept into the hopper by the main brush, into a dust connected to the inside of the hopper, a push-in device disposed at an inlet port of the duct and adapted to push the bulky duct, which has been scraped into the duct by the scrape-in device, toward the uppermost end of the duct, and a dust collecting bag removably attached to a top opening of the duct and adapted to collect the dust therein.

Title
Bulky dust sweeper
Application Number
7/262024
Publication Number
4942639
Application Date
October 25, 1988
Publication Date
July 24, 1990
Inventor
Seiji Seino
Shizuoka
JP
Satoru Noguchi
Shizuoka
JP
Osamu Shishido
Shizuoka
JP
Agent
Wenderoth Lind & Ponack
Assignee
Amano Corporation
JP
IPC
E01H 1/04
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