Elevator-belt street sweepers
A few examples of elevator-belt street sweepers(US Patent number, Year)
At the bottom of the above diagram is Charles Brooks' street sweeper cart patented in 1896; above it are a few examples of earlier street sweepers of a similar type (having a revolving brush, elevating belt and refuse receptacle). Brooks' design, far from being the "first street sweeper," was just a variation of what already existed, and the patent for it was among the more than 300 street sweeper patents issued in the United States before 1900.
Most 19th-century sweepers, including the one in Brooks' patent, were horsecarts with no engine on board. The wheels on the cart turned gears or chains which drove the brush and belt.
A few other types
First self-propelled sweeper vehicle patented in the USA, driven by steam engine and intended for cleaning railroad tracks. | |
Another steam-propelled sweeper, this one for roads. | |
The inventor of this machine, Eureka C. Bowne, was the first known woman to get a patent for a street sweeper. "Her success was great," wrote Matilda Joslyn Gage in The North American Review, Volume 136, Issue 318, May 1883. |
US patents for street sweepers, prior to 1900
Street sweeper type (primary classification) | Number of patents |
---|---|
. Hand directed . Belt brush . Reciprocating brush . Rotary-brush cylinder . . Collector . . . Elevator belt . . . Elevator pan . . . Elevator wheel . Rotary-brush disk . Other |
29 26 8 55 43 102 7 15 9 21 |
All | 315 |