GB2030638B - Quick release joint between a prop and a sill piece - Google Patents

Quick release joint between a prop and a sill piece

Info

Publication number
GB2030638B
GB2030638B GB7932009A GB7932009A GB2030638B GB 2030638 B GB2030638 B GB 2030638B GB 7932009 A GB7932009 A GB 7932009A GB 7932009 A GB7932009 A GB 7932009A GB 2030638 B GB2030638 B GB 2030638B
Authority
GB
United Kingdom
Prior art keywords
prop
quick release
release joint
sill piece
sill
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
GB7932009A
Other versions
GB2030638A (en
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.)
GORNICZOHUTNICZY MIEDZI ZAKLAD
Original Assignee
GORNICZOHUTNICZY MIEDZI ZAKLAD
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 GORNICZOHUTNICZY MIEDZI ZAKLAD filed Critical GORNICZOHUTNICZY MIEDZI ZAKLAD
Publication of GB2030638A publication Critical patent/GB2030638A/en
Application granted granted Critical
Publication of GB2030638B publication Critical patent/GB2030638B/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/50—Component parts or details of props
    • E21D15/54—Details of the ends of props
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • F16C11/0619—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints the female part comprising a blind socket receiving the male part
    • F16C11/0623—Construction or details of the socket member
    • F16C11/0647—Special features relating to adjustment for wear or play; Wear indicators
GB7932009A 1978-09-15 1979-09-14 Quick release joint between a prop and a sill piece Expired GB2030638B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL20963878A PL117063B1 (en) 1978-09-15 1978-09-15 Fast disconnectable coupling between a prop and its sill

Publications (2)

Publication Number Publication Date
GB2030638A GB2030638A (en) 1980-04-10
GB2030638B true GB2030638B (en) 1982-07-07

Family

ID=19991497

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7932009A Expired GB2030638B (en) 1978-09-15 1979-09-14 Quick release joint between a prop and a sill piece

Country Status (4)

Country Link
DE (1) DE2937326C2 (en)
FR (1) FR2445434A1 (en)
GB (1) GB2030638B (en)
PL (1) PL117063B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4212107C2 (en) * 1992-04-10 1998-04-09 Ebern Fahrzeugtech Gmbh Master cylinder
RU2452861C1 (en) * 2010-12-15 2012-06-10 Александр Александрович Перфилов Powered support for steep beds

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1432714A (en) * 1965-02-10 1966-03-25 Re-centering device for mine prop
FR1431566A (en) * 1965-04-23 1966-03-11 Gewerk Eisenhuette Westfalia prop with removable sole, usable in particular in mines
FR1525394A (en) * 1967-04-03 1968-05-17 Bennes Marrel Improvements to mine props
DE2141480C3 (en) * 1971-08-19 1974-05-30 Gullick Dobson Ltd., Wigan, Lancashire (Grossbritannien) Tensile and pressure-resistant ball joint for connecting a support strut to a supporting beam
DE2461011C2 (en) * 1974-12-21 1977-01-20 Hemscheidt Maschf Hermann ALIGNMENT DEVICE FOR THE STAMP OF HYDRAULIC TREAD SUPPORTS
DE2642706C3 (en) * 1976-09-23 1979-03-22 Hermann Hemscheidt Maschinenfabrik Gmbh & Co, 5600 Wuppertal Cap holder for a multiple telescopic pit ram

Also Published As

Publication number Publication date
PL209638A1 (en) 1980-05-05
FR2445434A1 (en) 1980-07-25
DE2937326C2 (en) 1983-12-29
DE2937326A1 (en) 1980-05-08
GB2030638A (en) 1980-04-10
PL117063B1 (en) 1981-07-31

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Legal Events

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