Equipment for pulling pipes together

Details Equipment for pulling pipes together Equipment for pulling pipes together

1981-02-12

1983-05-24

Reger, Duane A.

Brakes

Vehicle

Ground-engaging

405154, B60T 114, F16L 100

Patent

active

043846360

ABSTRACT:
This relates to a device for pulling together sewer pipes and other large diameter pipes. The device includes a mobile pulling unit which is preferably mounted on wheels and may be driven through the large diameter pipes. The mobile pulling unit has a pulling cable which extends from a lower portion thereof. A support system is pivotally mounted on the pulling unit and is preferably in the form of an elongated lever including a lower lever arm and an upper lever arm with the two lever arms being disposed in angular relation with respect to each other and carrying shoes for engaging lower and upper surfaces of a pipe in which the pulling unit is mounted. A pressure applying device extends between the pulling unit and the upper lever arm so as to tilt the support means and effect the anchorage thereof in the pipe.

REFERENCES:
patent: 2020386 (1935-11-01), Ulrich
patent: 2781927 (1957-02-01), Holopainen
patent: 4209269 (1980-06-01), Martinez

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