Track apparatus

Details Track apparatus Track apparatus

1978-05-30

1981-02-17

Love, John J.

Railways

Monorail

74 52, 228 29, E01B 2508

Patent

active

042508134

ABSTRACT:
Track apparatus, consisting of a circular track adapted to be affixed end-to-end around a pipe, usually adjacent an end thereof, to support a carriage apparatus for travel about the pipe, welding equipment, or the like, being mounted on the carriage apparatus for use in welding the pipe to another pipe abutted end-to-end therewith, or for other similar purposes. The track is supported by circularly spaced crossbars each provided with inwardly projecting spring biased pins upon which the crossbars are supported. A latch device for affixing the ends of the track together is provided. The track has frictional engagement means around its outwardly facing surface for engagement by drive wheels of the carriage apparatus.

REFERENCES:
patent: 2574281 (1951-11-01), Olson
patent: 2608192 (1952-08-01), Heitmeyer et al.
patent: 3604612 (1971-09-01), Miller et al.
patent: 3910480 (1975-10-01), Thatcher
patent: 4092928 (1978-06-01), Clavin
patent: 4132338 (1979-01-01), Bove et al.

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