Slideway means and excavating machines comprising slideway means

Details Slideway means and excavating machines comprising slideway means Slideway means and excavating machines comprising slideway means

1979-11-30

1981-12-01

Purser, Ernest R.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Stepper-type advance-causing means

173 56, 188 41, 188 67, 299 33, E21D 908

Patent

active

043032753

ABSTRACT:
A slideway arrangement comprises a slideway component and a slide component guidably slidable with respect to the slideway component under the action of a hydraulic ram. At least one of the components comprises at least one wedge arrangement and a hydraulic ram for urging the wedge arrangement to releasably wedge one of the components to the other of the components.

REFERENCES:
patent: 2967590 (1961-01-01), Ottestad
patent: 3741349 (1973-06-01), Banks
patent: 3828862 (1974-08-01), Dabell et al.
patent: 3870368 (1975-03-01), Winberg et al.

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