Brushing – scrubbing – and general cleaning – Implements – Pipe – tube – or conduit cleaner
Patent
1982-09-08
1984-08-14
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Implements
Pipe, tube, or conduit cleaner
74495, 200153K, 267150, B08B 902
Patent
active
044648065
ABSTRACT:
A sewer rod turning machine safety device for machines which drive sewer cleaning rods. These machines are comprised of a motor driving a transmission which in turn drives a rod coupling drive shaft through a gear box. The motor transmission and gear box are all mounted on a wheeled cart. The rod turning machine has a shift lever attached to the transmission which will rotate the rods in forward or reverse direction. The shift lever has a center neutral position and the forward and reverse rotation positions are to either side of neutral. The safety device is comprised of a spring steel bendable rod engaging the shift lever which is designed to return the shift lever to center neutral position whenever it is released by an operator. A collar and bolt arrangement, securely fastening the safety bar to the gear box and the free end of the safety bar, has a loop wrapping around the shaft of the shift lever when securely mounted.
REFERENCES:
patent: 3382733 (1968-05-01), Miller et al.
patent: 3451089 (1969-06-01), Carlson et al.
O'Reilly David
Roberts Edward L.
Sewer Rodding Equipment Co.
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