GB1473507A - - Google Patents

Info

Publication number
GB1473507A
GB1473507A GB712074A GB712074A GB1473507A GB 1473507 A GB1473507 A GB 1473507A GB 712074 A GB712074 A GB 712074A GB 712074 A GB712074 A GB 712074A GB 1473507 A GB1473507 A GB 1473507A
Authority
GB
United Kingdom
Prior art keywords
pin
projecting
members
chain
cutting
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
GB712074A
Other languages
English (en)
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 filed Critical
Priority to GB712074A priority Critical patent/GB1473507A/en
Publication of GB1473507A publication Critical patent/GB1473507A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
    • E21C25/28—Chains or chain guides
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
    • E21C25/28—Chains or chain guides
    • E21C25/34—Chains
    • E21C25/36—Couplings for links
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G13/00—Chains
    • F16G13/12—Hauling- or hoisting-chains so called ornamental chains

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Sawing (AREA)
GB712074A 1975-01-20 1975-01-20 Expired GB1473507A (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB712074A GB1473507A (enrdf_load_stackoverflow) 1975-01-20 1975-01-20

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB712074A GB1473507A (enrdf_load_stackoverflow) 1975-01-20 1975-01-20

Publications (1)

Publication Number Publication Date
GB1473507A true GB1473507A (enrdf_load_stackoverflow) 1977-05-11

Family

ID=9826998

Family Applications (1)

Application Number Title Priority Date Filing Date
GB712074A Expired GB1473507A (enrdf_load_stackoverflow) 1975-01-20 1975-01-20

Country Status (1)

Country Link
GB (1) GB1473507A (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111411954A (zh) * 2020-05-22 2020-07-14 天地科技股份有限公司上海分公司 短跨距薄煤层采煤机移动系统
CN111411955A (zh) * 2020-05-22 2020-07-14 天地科技股份有限公司上海分公司 短跨距薄煤层采煤机的导向牵引系统

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111411954A (zh) * 2020-05-22 2020-07-14 天地科技股份有限公司上海分公司 短跨距薄煤层采煤机移动系统
CN111411955A (zh) * 2020-05-22 2020-07-14 天地科技股份有限公司上海分公司 短跨距薄煤层采煤机的导向牵引系统
CN111411955B (zh) * 2020-05-22 2025-09-02 天地科技股份有限公司上海分公司 短跨距薄煤层采煤机的导向牵引系统
CN111411954B (zh) * 2020-05-22 2025-09-02 天地科技股份有限公司上海分公司 短跨距薄煤层采煤机移动系统

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee