Gear rack for driving or guiding a drum cutter loader

Details Gear rack for driving or guiding a drum cutter loader Gear rack for driving or guiding a drum cutter loader

1988-10-11

1989-07-25

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Hard material disintegrating machines

Sidewall-working

105 291, E21C 2902, E21C 3512

Patent

active

048506486

ABSTRACT:
A gear rack is made up of rack segments arranged end-to-end supported by and extending along face conveyor for meshing engagement with a gear of a drive to propel a mining machine along a mine face. The teeth of each rack segment extend between longitudinal cheek sections. A thicker one of the cheek sections has a downward extending shoulder at each of opposite ends to engage in a cavity of a bracket and secured therein for limited movement by a fastener pin. A wall section of the bracket extends against a bearing surface formed by a cavity in the underside of the gear tooth at the end portion of the rack segment. The width of the wall section corresponds to the width of the bearing surface.

REFERENCES:
patent: 4397199 (1983-08-01), Jahn
patent: 4773710 (1988-09-01), Klimeck et al.

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