Railways – Traction – Longitudinal rotary shafts
Patent
1983-12-07
1986-09-23
Scherbel, David A.
Railways
Traction
Longitudinal rotary shafts
104162, 198746, 198718, B61B 1312
Patent
active
046128611
ABSTRACT:
A driverless tugger vehicle adapted to contact another driverless vehicle and push or pull the latter to a source of power includes a body having support wheels for riding on tracks. The body has a drive wheel adapted for frictional contact with a drive shaft. A contact member on the body is provided for pushing or pulling the other driverless vehicle. A switch actuator is provided on the body for initiating reversal of direction of movement of the body when the contact member is coupled to said other driverless vehicle.
REFERENCES:
patent: 3696754 (1972-10-01), Anderson et al.
patent: 3861322 (1975-01-01), Danly
patent: 4018328 (1977-04-01), Galarowie et al.
patent: 4252064 (1981-02-01), Ratcliff, Jr. et al.
patent: 4378741 (1983-04-01), Nagahori
Foster Glenn B.
Scherbel David A.
SI Handling Systems Inc.
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