GB191026472A - Improvements in or in connection with Cutter Boxes or Cutter Holders for Coal Cutting Machines. - Google Patents

Improvements in or in connection with Cutter Boxes or Cutter Holders for Coal Cutting Machines.

Info

Publication number
GB191026472A
GB191026472A GB191026472DA GB191026472A GB 191026472 A GB191026472 A GB 191026472A GB 191026472D A GB191026472D A GB 191026472DA GB 191026472 A GB191026472 A GB 191026472A
Authority
GB
United Kingdom
Prior art keywords
cutter
bolt
connection
cutting machines
boxes
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
Inventor
Frank Eckersley
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191026472A publication Critical patent/GB191026472A/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
    • E21C35/18—Mining picks; Holders therefor
    • E21C35/19—Means for fixing picks or holders

Abstract

26,472. Eckersley, F. Nov. 15. Locking nuts.-The cutter-holder b in a coalcutting machine is secured by a bolt e with a T-head passing through a slotted flange d and engaging a grooved' in the flange when the bolt is in position. The bolt is secured by a spring washer f, a shallow nut d, a washer i with a D-opening engaging a flat on the bolt and provided with a diametrical ridge i<1>, and a nut m with radial recesses for engaging the ridge i<1>.
GB191026472D 1910-11-15 1910-11-15 Improvements in or in connection with Cutter Boxes or Cutter Holders for Coal Cutting Machines. Expired GB191026472A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191026472T 1910-11-15

Publications (1)

Publication Number Publication Date
GB191026472A true GB191026472A (en) 1911-08-31

Family

ID=34356804

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191026472D Expired GB191026472A (en) 1910-11-15 1910-11-15 Improvements in or in connection with Cutter Boxes or Cutter Holders for Coal Cutting Machines.

Country Status (1)

Country Link
GB (1) GB191026472A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452082A (en) * 1944-07-13 1948-10-26 Joy Mfg Co Cutter chain

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452082A (en) * 1944-07-13 1948-10-26 Joy Mfg Co Cutter chain

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