BE535250A - - Google Patents

Info

Publication number
BE535250A
BE535250A BE535250DA BE535250A BE 535250 A BE535250 A BE 535250A BE 535250D A BE535250D A BE 535250DA BE 535250 A BE535250 A BE 535250A
Authority
BE
Belgium
Application number
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.)
Publication of BE535250A publication Critical patent/BE535250A/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J5/00—Devices or arrangements for controlling character selection
    • B41J5/08—Character or syllable selected by means of keys or keyboards of the typewriter type
    • B41J5/18—Locks
    • B41J5/20—Locks for subsidiary keys, e.g. for shift keys
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D15/00—Props; Chocks, e.g. made of flexible containers filled with backfilling material
    • E21D15/14—Telescopic props
    • E21D15/28—Telescopic props with parts held relatively to each other by friction or gripping
    • E21D15/43—Details of wedges
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D17/00—Caps for supporting mine roofs
    • E21D17/02—Cantilever extension or similar protecting devices
    • E21D17/08—Cap joints for obtaining a coal-face free of pit-props
    • E21D17/086—Cap joints for obtaining a coal-face free of pit-props or articulated type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32114—Articulated members including static joint
    • Y10T403/32221—Articulate joint comprises pivoted clevis or channel bar
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position
    • Y10T403/32262—At selected angle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32606—Pivoted

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Toys (AREA)
  • Clamps And Clips (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)
  • Load-Engaging Elements For Cranes (AREA)
BE535250D 1954-01-29 BE535250A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE797673X 1954-01-29
DEG14124A DE1090613B (en) 1954-01-29 1954-04-03 Method and device for coupling and / or locking or uncoupling and / or unlocking the locks of joint caps or the like connected by such interconnected.

Publications (1)

Publication Number Publication Date
BE535250A true BE535250A (en)

Family

ID=25948572

Family Applications (1)

Application Number Title Priority Date Filing Date
BE535250D BE535250A (en) 1954-01-29

Country Status (5)

Country Link
US (1) US2959924A (en)
BE (1) BE535250A (en)
DE (2) DE1090613B (en)
FR (1) FR1121012A (en)
GB (1) GB797673A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1149679B (en) * 1960-04-01 1963-06-06 Karl M Groetschel Dipl Ing Device for automatic locking and unlocking of self-supporting caps to be plucked
US3163011A (en) * 1960-11-14 1964-12-29 Karl M Groetschel Connection for lagging irons
US3506073A (en) * 1967-04-27 1970-04-14 Allis Chalmers Mfg Co Folding gang lock
US5813629A (en) * 1996-04-10 1998-09-29 Cabrera; Carlos Parra Airplane stretcher system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB668397A (en) * 1948-05-05 1952-03-19 Groetschel Karl Maria A method and apparatus for provisionally supporting the working faces of mines or the like
DE800077C (en) * 1948-11-13 1950-09-01 Willi Hansen Device for robbing iron pit stamps u. like
DE801930C (en) * 1949-03-27 1951-01-29 Mannesmann Ag Securing for clamping wedges at pit stamps
BE501784A (en) * 1949-10-18
DE897085C (en) * 1949-11-26 1953-11-19 Hans Gerlach Dipl Ing Pit construction for mining operations
DE861092C (en) * 1950-06-03 1952-12-29 Ludwig Vanwersch Caps for pit lining and methods of making the same
DE839484C (en) * 1950-09-02 1952-05-19 Gutehoffnungshuette Oberhausen Clamp and robbery wedge for pit stamp
BE516921A (en) * 1952-01-16
LU32099A1 (en) * 1952-05-31
BE514564A (en) * 1952-10-01
DE952976C (en) * 1953-01-28 1956-11-22 Karl Maria Groetschel Dipl Ing Swivel jointed cup irons

Also Published As

Publication number Publication date
GB797673A (en) 1958-07-09
DE199149C (en)
FR1121012A (en) 1956-07-19
DE1090613B (en) 1960-10-13
US2959924A (en) 1960-11-15

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