DE60107806D1 - Crampons for a shaft or the like - Google Patents

Crampons for a shaft or the like

Info

Publication number
DE60107806D1
DE60107806D1 DE60107806T DE60107806T DE60107806D1 DE 60107806 D1 DE60107806 D1 DE 60107806D1 DE 60107806 T DE60107806 T DE 60107806T DE 60107806 T DE60107806 T DE 60107806T DE 60107806 D1 DE60107806 D1 DE 60107806D1
Authority
DE
Germany
Prior art keywords
foothold
tread
manhole
legs
axial direction
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 - Fee Related
Application number
DE60107806T
Other languages
German (de)
Other versions
DE60107806T2 (en
Inventor
Eizo Takahashi
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.)
FBS Miyama Co Ltd
Original Assignee
Miyama Kogyo Co Ltd
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 Miyama Kogyo Co Ltd filed Critical Miyama Kogyo Co Ltd
Publication of DE60107806D1 publication Critical patent/DE60107806D1/en
Application granted granted Critical
Publication of DE60107806T2 publication Critical patent/DE60107806T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
    • E06C9/02—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted
    • E06C9/04—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted in the form of climbing irons or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Golf Clubs (AREA)
  • Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

Legs (4) of the foothold (1) are retained by or fitted securely and easily in holes bored in a concrete wall such as a manhole or the like so that the foothold (1) can be securely fixed to the wall of the manhole or the like and a person utilizing the foothold (1) can safely go up and down, and the foothold (1) can be endured for a long period of use and become safe. The foothold (1) for a manhole or the like comprising slip prevention patterns (7) formed at the tread (2), reflectors (8) provided on the tread (2) at portions close to both ends thereof while sandwiching the slip prevention patterns (7), a wave-shaped grip portion (9) provided on the tread (2) at an inner side thereof in the axial direction and another wave-shaped grip portion (11) having irregularities (10) and provided at a lower surface of the tread (2) in the axial direction, and collars (14, 14) integrally formed with the synthetic resin (6) and provided at boundary portions between the side portions (3) and the legs (4) capable of contacting the concrete wall. <IMAGE>
DE60107806T 2001-03-12 2001-06-22 Crampons for a shaft or the like Expired - Fee Related DE60107806T2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001001282U JP3080204U (en) 2001-03-12 2001-03-12 Footwear for manholes
JP2001001282U 2001-03-12

Publications (2)

Publication Number Publication Date
DE60107806D1 true DE60107806D1 (en) 2005-01-20
DE60107806T2 DE60107806T2 (en) 2005-05-12

Family

ID=18869938

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60107806T Expired - Fee Related DE60107806T2 (en) 2001-03-12 2001-06-22 Crampons for a shaft or the like

Country Status (5)

Country Link
EP (1) EP1241320B1 (en)
JP (1) JP3080204U (en)
AT (1) ATE285020T1 (en)
CZ (1) CZ299657B6 (en)
DE (1) DE60107806T2 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57197140A (en) * 1981-05-29 1982-12-03 Takeya Kagaku Kogyo Kk Manufacture of step
JPH0995961A (en) * 1995-07-25 1997-04-08 Tokyo Seiko Co Ltd Footstep device for manhole
JP3169214B2 (en) 1998-11-16 2001-05-21 三山工業株式会社 Mounting device for footrests for manholes
US6068083A (en) * 1999-03-19 2000-05-30 Miyama Kogyo Kabushiki Kaisha Foothold
GB2348918B (en) * 1999-04-12 2003-02-26 Miyama Kogyo Kk Foothold used in a brick wall

Also Published As

Publication number Publication date
ATE285020T1 (en) 2005-01-15
EP1241320B1 (en) 2004-12-15
EP1241320A1 (en) 2002-09-18
CZ20012396A3 (en) 2002-10-16
JP3080204U (en) 2001-09-21
CZ299657B6 (en) 2008-10-08
DE60107806T2 (en) 2005-05-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee