GB570889A - Improvements in set screws for coal cutters - Google Patents

Improvements in set screws for coal cutters

Info

Publication number
GB570889A
GB570889A GB124944A GB124944A GB570889A GB 570889 A GB570889 A GB 570889A GB 124944 A GB124944 A GB 124944A GB 124944 A GB124944 A GB 124944A GB 570889 A GB570889 A GB 570889A
Authority
GB
United Kingdom
Prior art keywords
coal
set screws
screws
coal cutters
cutters
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
GB124944A
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.)
WALTER REVILL
Original Assignee
WALTER REVILL
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 WALTER REVILL filed Critical WALTER REVILL
Priority to GB124944A priority Critical patent/GB570889A/en
Publication of GB570889A publication Critical patent/GB570889A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK 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
    • E21C35/193—Means for fixing picks or holders using bolts as main fixing elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Scissors And Nippers (AREA)
  • Milling Processes (AREA)

Abstract

570,889. Set-screws. TRUEMAN, A. E., and REVILL, W. Jan. 22, 1944, No. 1249. [Class 89 (i)] Set - screws, particularly those for securing picks in position on the chains, discs, or bars of coal - cutting machines, have one or more grooves a that have a clearing action for coal-dust. &c., when unscrewing.
GB124944A 1944-01-22 1944-01-22 Improvements in set screws for coal cutters Expired GB570889A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB124944A GB570889A (en) 1944-01-22 1944-01-22 Improvements in set screws for coal cutters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB124944A GB570889A (en) 1944-01-22 1944-01-22 Improvements in set screws for coal cutters

Publications (1)

Publication Number Publication Date
GB570889A true GB570889A (en) 1945-07-26

Family

ID=9718715

Family Applications (1)

Application Number Title Priority Date Filing Date
GB124944A Expired GB570889A (en) 1944-01-22 1944-01-22 Improvements in set screws for coal cutters

Country Status (1)

Country Link
GB (1) GB570889A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778265A (en) * 1953-06-15 1957-01-22 Set Screw & Mfg Company Solid cup-point set screw
US3629805A (en) * 1969-02-06 1971-12-21 Anderson Electric Corp Hot line clamp
US3731951A (en) * 1970-12-16 1973-05-08 Allis Chalmers Mfg Co Adjustable link thread cleaner
GB2159594A (en) * 1984-06-02 1985-12-04 Festo Kg Screw with flow passage
GB2315310B (en) * 1997-05-14 1999-06-23 Yuen Connecting means

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2778265A (en) * 1953-06-15 1957-01-22 Set Screw & Mfg Company Solid cup-point set screw
US3629805A (en) * 1969-02-06 1971-12-21 Anderson Electric Corp Hot line clamp
US3731951A (en) * 1970-12-16 1973-05-08 Allis Chalmers Mfg Co Adjustable link thread cleaner
GB2159594A (en) * 1984-06-02 1985-12-04 Festo Kg Screw with flow passage
GB2315310B (en) * 1997-05-14 1999-06-23 Yuen Connecting means

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