GB208894A - Improvements in or relating to apparatus for use in removing pit props and for general haulage purposes - Google Patents

Improvements in or relating to apparatus for use in removing pit props and for general haulage purposes

Info

Publication number
GB208894A
GB208894A GB3350922A GB3350922A GB208894A GB 208894 A GB208894 A GB 208894A GB 3350922 A GB3350922 A GB 3350922A GB 3350922 A GB3350922 A GB 3350922A GB 208894 A GB208894 A GB 208894A
Authority
GB
United Kingdom
Prior art keywords
relating
pit props
purposes
removing pit
rack
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
GB3350922A
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
Priority to GB3350922A priority Critical patent/GB208894A/en
Publication of GB208894A publication Critical patent/GB208894A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B12/00—Component parts, details or accessories not provided for in groups B61B7/00 - B61B11/00
    • B61B12/12—Cable grippers; Haulage clips

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

208,894. Brown, J. E. Dec. 8, 1922. Lever load-handling machines.-In means for removing pit props and haulage purposes of the kind comprising a rack and a complementary ratchet boxlike member embracing and adapted to be moved along the rack by a lever, backward movement of the haulage chain is prevented by a pair of spring- controlled plungers b, b<1> which can be put out of action by sliding and then rotating the member c.
GB3350922A 1922-12-08 1922-12-08 Improvements in or relating to apparatus for use in removing pit props and for general haulage purposes Expired GB208894A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3350922A GB208894A (en) 1922-12-08 1922-12-08 Improvements in or relating to apparatus for use in removing pit props and for general haulage purposes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3350922A GB208894A (en) 1922-12-08 1922-12-08 Improvements in or relating to apparatus for use in removing pit props and for general haulage purposes

Publications (1)

Publication Number Publication Date
GB208894A true GB208894A (en) 1924-01-03

Family

ID=10353888

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3350922A Expired GB208894A (en) 1922-12-08 1922-12-08 Improvements in or relating to apparatus for use in removing pit props and for general haulage purposes

Country Status (1)

Country Link
GB (1) GB208894A (en)

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