Drive wheel unit

Details Drive wheel unit Drive wheel unit

1988-10-17

1989-06-13

Reeves, Robert B.

Railways

Tubular way

Internal service device

B61B 1310

Patent

active

048381705

ABSTRACT:
A drive wheel unit for moving equipment inside a pipe. A housing is connected to associated equipment by U-joints on either side of the housing. A drive wheel which extends above the top edge of the housing is driven by a drive motor and gear reducer mounted in the housing. A brake connected to the drive motor allows precise positioning of the equipment. A hydraulic cylinder and piston arrangement and wheel attached thereto are provided at each end of the housing and are used to lift the housing into a driving position where the drive wheel is in driving engagement with the top inside surface of the pipe.

REFERENCES:
patent: 774525 (1904-11-01), Mack
patent: 2604521 (1952-07-01), Boucher
patent: 3979941 (1976-09-01), Auxer
patent: 4034679 (1977-07-01), Gaither et al.

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