Rock drill feed support

Details Rock drill feed support Rock drill feed support

1989-11-21

1991-09-24

Watts, Douglas D.

Tool driving or impacting

Advance causing or controlling means

Driven flexible member causes advance

173160, E21C 506

Patent

active

050506889

ABSTRACT:
A rock drill feed support beam comprises longitudinal side plates and a base member which are formed of folded metal plate welded together to form a channel-like support beam with a substantially clear unobstructed space between the members for containing a plurality of pressure fluid hoses which are trained over a hose guide supported by the feed beam and also disposed generally between the side members in the space. A feed mechanism comprising an endless chain is disposed in the channel-like space and includes a support member connected to the hose guide and supporting spaced apart sprockets. One run of the chain is connected to the drill motor and the opposite run of the chain is anchored to the feed beam. A motor is drivably connected to the chain through one of the sprockets for advancing the drill motor at twice the rate of the hose guide and the feed support member.

REFERENCES:
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patent: 2394194 (1946-02-01), McCarthy
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patent: 4069877 (1978-01-01), Durand
patent: 4207805 (1980-06-01), Jonsson
patent: 4478291 (1984-10-01), Futros

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