GB692542A - A method of and means for mining - Google Patents

A method of and means for mining

Info

Publication number
GB692542A
GB692542A GB491/48A GB49148A GB692542A GB 692542 A GB692542 A GB 692542A GB 491/48 A GB491/48 A GB 491/48A GB 49148 A GB49148 A GB 49148A GB 692542 A GB692542 A GB 692542A
Authority
GB
United Kingdom
Prior art keywords
jacks
cutter
face
sledge
entry
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
GB491/48A
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing Co
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 Joy Manufacturing Co filed Critical Joy Manufacturing Co
Publication of GB692542A publication Critical patent/GB692542A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C27/00—Machines which completely free the mineral from the seam
    • E21C27/10—Machines which completely free the mineral from the seam by both slitting and breaking-down
    • E21C27/12—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools
    • E21C27/124—Machines which completely free the mineral from the seam by both slitting and breaking-down breaking-down effected by acting on the vertical face of the mineral, e.g. by percussive tools with rotatable cutters provided with breaking-down members

Abstract

692,542. Mining-machines. JOY MANUFACTURING CO. Jan. 7, 1948 -[Jan. 19, 1946], No. 491/48. Class 68(i) [Also in Group XXX] A mining-machine for breaking down the face comprises a body 3 mounted on a sledge 6 which is provided with roof engaging jacks 10, 14 the cylinders of which slide on plates in tracks formed on the sledge. The cylinders of the rear jacks are attached to the piston rods 20 of jacks 21 on the sledge so that by suitable operation of the three groups of jacks the machine is advanced step-by-step. Positioned in universal mountings 27 at the front and at the sides of the body are two booms 26 carrying at the outer ends rotary wedge cutters which are driven through a suitable drive from a motor positioned in the body. These booms can be moved vertically and horizontally by jacks 52, 60 and are used to cut a continuous kerf around the area of the face to be broken away. In to this outstanding portion of the face is forced a rotating tapered cutter 5 which is advanced by jacks 84 and is driven from the motor through a splined shaft. The entry of the cutter is facilitated by a bit mounted coaxially within the cutter 5. As a result of the entry of the cutter 5 into the face, an entry which may be before, during or after the formation of the kerf, the outstanding portion is broken away to fall into the scoop 181 of a shaker conveyer 185,. which is slidably attached to, and passes beneath, the machine. The conveyer means shown form the subject matter of Specification 692,575, [Group XXX].
GB491/48A 1946-01-19 1948-01-07 A method of and means for mining Expired GB692542A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US692542XA 1946-01-19 1946-01-19

Publications (1)

Publication Number Publication Date
GB692542A true GB692542A (en) 1953-06-10

Family

ID=22087727

Family Applications (1)

Application Number Title Priority Date Filing Date
GB491/48A Expired GB692542A (en) 1946-01-19 1948-01-07 A method of and means for mining

Country Status (1)

Country Link
GB (1) GB692542A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733057A (en) * 1956-01-31 Continuous mining machine having
US2783038A (en) * 1954-09-29 1957-02-26 Goodman Mfg Co Oscillating burster cone assembly for boring type miner head
DE1021306B (en) * 1954-10-02 1957-12-27 Rudolf Hausherr & Soehne G M B Hand-held device for winning coal or the like.

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2733057A (en) * 1956-01-31 Continuous mining machine having
US2783038A (en) * 1954-09-29 1957-02-26 Goodman Mfg Co Oscillating burster cone assembly for boring type miner head
DE1021306B (en) * 1954-10-02 1957-12-27 Rudolf Hausherr & Soehne G M B Hand-held device for winning coal or the like.

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