The Invention of the Dempster Dumpster System: George Roby Dempster's 1935 Innovation
By
pcaharrier
Pure flour-power. Hearty enough to carry you through lunch.
Summary
The article details the invention and development of the Dempster Dumpster system by George Roby Dempster in the 1930s. It traces Dempster's background from railroad work to construction, where he invented a hydraulic hoist system for lifting and transporting portable storage containers. The system, first patented in 1935, used motor trucks with hydraulic hoists to engage, lift, and tip open-top buckets, revolutionizing waste collection and construction material handling. The innovation led to the formation of Dempster Brothers Incorporated in the truck equipment business.
Key quotes
· 5 pulledGeorge Roby Dempster was born in 1887 to Scottish & Irish immigrants
By age sixteen he had a job running a locomotive (while not in school), having previously worked various railroad jobs in Virginia
Dempster developed a novel device for the lifting and transporting of portable storage containers which would be of great significance not only to the refuse collection
First patented in February 1935, the device began to attract the attention of rival operators and before long Dempster Brothers Incorporated was in the truck equipment business
The device also allowed for emptying of the shallow buckets by simply tipping them as they were held in the raised position by the hoist
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