GB281277A - Improvements in mining machines - Google Patents

Improvements in mining machines

Info

Publication number
GB281277A
GB281277A GB30713/27A GB3071327A GB281277A GB 281277 A GB281277 A GB 281277A GB 30713/27 A GB30713/27 A GB 30713/27A GB 3071327 A GB3071327 A GB 3071327A GB 281277 A GB281277 A GB 281277A
Authority
GB
United Kingdom
Prior art keywords
cutter bar
wheel
coal
driven
gears
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB30713/27A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik und Eisengiesserei A Beien
Original Assignee
Maschinenfabrik und Eisengiesserei A Beien
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik und Eisengiesserei A Beien filed Critical Maschinenfabrik und Eisengiesserei A Beien
Publication of GB281277A publication Critical patent/GB281277A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C35/00—Details of, or accessories for, machines for slitting or completely freeing the mineral from the seam, not provided for in groups E21C25/00 - E21C33/00, E21C37/00 or E21C39/00

Abstract

281,277. Maschinenfabrik und Eisengiesserei A. Beien Ges. Nov. 25, 1926. [Convention date]. Coal-cutting machines .-In a coal-cutting machine wherein the cutter bar is driven by two co-operating rotary members. one of the members has an axial bore through which the cutter bar passes. The driving means may comprise a double helical-wheel motor a, b, the cutter bar d passing through the wheel a and being driven from the wheel b through gears e, f connected directly or through intermediate gears. The cutter bar may be supported by the wheel a or by the machine frame, as by securing it to a sleeve - c running in ball bearings i.
GB30713/27A 1926-11-25 1927-11-15 Improvements in mining machines Expired GB281277A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE281277X 1926-11-25

Publications (1)

Publication Number Publication Date
GB281277A true GB281277A (en) 1928-04-12

Family

ID=6035301

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30713/27A Expired GB281277A (en) 1926-11-25 1927-11-15 Improvements in mining machines

Country Status (1)

Country Link
GB (1) GB281277A (en)

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