Plow guide for a chain-pulled plow

Details Plow guide for a chain-pulled plow Plow guide for a chain-pulled plow

2007-03-13

2007-03-13

Beach, Thomas A (Department: 3671)

Excavating

Miscellaneous

C299S043000, C299S034010

Reexamination Certificate

active

10839484

ABSTRACT:
The subject matter of the present invention relates to a plow guide for a chain-pulled plow for use in underground mining operations, with plow guide troughs20and50having multiple parts and being connectable to one another by means of coupling elements so as to be tension-proof and angularly movable. Each plow guide trough has a center piece21and51with superposed chain guide channels10C,10B,10D, to both sides of which center piece an end piece,22,23and52,53is joined by welding, which end piece is a single-piece casting with superposed chain channel sections that are separated by a sliding spacer piece that is cast on. To make available a high-performance Gleithobel system with a high tool life, cast-on holding pockets24,25and54, 55—which are open on the working face side—for toggle connections with toggles1as coupling organs are disposed on end pieces22,23and52, 53. (FIG.2)

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patent: 3012884 (1983-07-01), None
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patent: 3627733 (1988-02-01), None

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