Mobile tie gang apparatus

Details Mobile tie gang apparatus Mobile tie gang apparatus

1989-07-13

1990-09-11

Peters, Jr., Joseph F.

Railways

Track layers

Track raising car

104 9, E01B 2910

Patent

active

049553020

ABSTRACT:
A mobile apparatus for sequentially exchanging selected consecutive groups of oil ties in an existing railroad track for groups of new ties while retaining groups of old ties therebetween to support the mobile apparatus on the track, comprises at least one bridge-like work vehicle having a frame defining an upwardly recessed portion between respective ends thereof, and a succession of different individual devices mounted in the recessed frame portion of a respective work vehicle and operative to effectuate different sequential operations for exchanging the selected old ties for the new ties, the tie exchanging devices including at least two tie pulling and inserting devices arranged for longitudinal displacement within view of an operator's accommodation. A respective drive displaces each tie pulling and inserting device with respect to the work vehicle frame along a displacement path extending in the direction of the longitudinal extension of the work vehicle frame.

REFERENCES:
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patent: 4133266 (1979-01-01), Taylor
patent: 4175902 (1979-11-01), Herzog et al.
patent: 4190394 (1980-02-01), Herzog et al.
patent: 4253398 (1981-03-01), Theurer et al.
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patent: 4418625 (1983-12-01), Allmer
patent: 4534295 (1985-08-01), Theurer
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patent: 4611541 (1986-09-01), Theurer
patent: 4809614 (1989-03-01), Theurer et al.
patent: 4862806 (1989-09-01), Theurer et al.
Railway Track & Structures (RT & S) (02/89), and now-continuous-action, selective tie renewal, pp. 28-32.
"Progressive Railroading", Feb. 78, p. 68; Mar. 84, pp. 93/4; Feb. 86, pp. 45/6.
"Railway Track Structures", Dec. 68, pp. 14-16; Jun. 78, pp. 28, 29 & 31; Nov. 83, pp. 22-24; Sep. 85, pp. 49, 64, 58, 61, 66, 105 & 106.

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