FR348445A - Poignée pour couvercle de puits de carrière et autres - Google Patents

Poignée pour couvercle de puits de carrière et autres

Info

Publication number
FR348445A
FR348445A FR348445DA FR348445A FR 348445 A FR348445 A FR 348445A FR 348445D A FR348445D A FR 348445DA FR 348445 A FR348445 A FR 348445A
Authority
FR
France
Prior art keywords
handle
pit cover
quarry
quarry pit
cover
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
Other languages
English (en)
Inventor
Heinrich Wilhelm
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
Application granted granted Critical
Publication of FR348445A publication Critical patent/FR348445A/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
    • E21F13/00—Transport specially adapted to underground conditions
    • E21F13/04—Transport of mined material in gravity inclines; in staple or inclined shafts
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/10—Locking of screws, bolts or nuts in which the locking takes place after screwing down by a plate, spring, wire or ring immovable with regard to the bolt or object and mainly perpendicular to the axis of the bolt
    • 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
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
FR348445D 1903-09-08 1904-09-06 Poignée pour couvercle de puits de carrière et autres Expired FR348445A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE348445X 1929-07-04

Publications (1)

Publication Number Publication Date
FR348445A true FR348445A (fr) 1905-04-12

Family

ID=6257351

Family Applications (1)

Application Number Title Priority Date Filing Date
FR348445D Expired FR348445A (fr) 1903-09-08 1904-09-06 Poignée pour couvercle de puits de carrière et autres

Country Status (2)

Country Link
FR (1) FR348445A (fr)
GB (1) GB348445A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2390621A1 (fr) * 1977-05-09 1978-12-08 Beauchet Jean Ecrou ou vis a serrage perfectionne
ITAT20130001A1 (it) * 2013-02-14 2013-05-16 Michele Eramo Sistemi di antisvitamento con attrito per bulloni
ITTO20131044A1 (it) * 2013-12-19 2014-03-20 Michele Eramo Sistemi di antisvitamento con attrito per bulloni

Also Published As

Publication number Publication date
GB348445A (en) 1931-05-14

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