EP1211353A3 - Temperature-responsively operated drive mechanism - Google Patents

Temperature-responsively operated drive mechanism Download PDF

Info

Publication number
EP1211353A3
EP1211353A3 EP01309029A EP01309029A EP1211353A3 EP 1211353 A3 EP1211353 A3 EP 1211353A3 EP 01309029 A EP01309029 A EP 01309029A EP 01309029 A EP01309029 A EP 01309029A EP 1211353 A3 EP1211353 A3 EP 1211353A3
Authority
EP
European Patent Office
Prior art keywords
switching
temperature
drive mechanism
drive force
type indicating
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.)
Withdrawn
Application number
EP01309029A
Other languages
German (de)
French (fr)
Other versions
EP1211353A2 (en
Inventor
Osamu Okumura
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
Publication of EP1211353A2 publication Critical patent/EP1211353A2/en
Publication of EP1211353A3 publication Critical patent/EP1211353A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F9/00—Arrangement of road signs or traffic signals; Arrangements for enforcing caution
    • E01F9/40—Arrangements responsive to adverse atmospheric conditions, e.g. to signal icy roads or to automatically illuminate in fog; Arrangements characterised by heating or drying means

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Atmospheric Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Signs Or Road Markings (AREA)
  • Traffic Control Systems (AREA)
  • Displays For Variable Information Using Movable Means (AREA)

Abstract

A temperature-responsively operated drive mechanism 29 is designed to provide a switching drive force to switching-type indicating means 10 placed on a freeze-indicating sign system. The temperature-responsively operated drive mechanism 29 includes members 35 and 36 made of a shape memory alloy for providing the switching drive force to the switching-type indicating means 10 in accordance with a temperature such as a predetermined temperature, and a drive force assisting means 50 for providing an assist force for assisting in the switching drive force during switching operation of the members made 35 and 36 of the shape memory alloy. Therefore, the speed of switching turning movement of the switching-type indicating means 10 in the freeze-indicating sign system can be increased, whereby the switching of the indications on the switching-type indicating means 10 at the predetermined temperature corresponding to a freezing temperature can be conducted quickly and automatically, thereby informing a driver or a road manager or the like of the freezing of a road surface occurring in winter season.
EP01309029A 2000-11-24 2001-10-24 Temperature-responsively operated drive mechanism Withdrawn EP1211353A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000357478A JP4308420B2 (en) 2000-11-24 2000-11-24 Temperature-responsive drive mechanism
JP2000357478 2000-11-24

Publications (2)

Publication Number Publication Date
EP1211353A2 EP1211353A2 (en) 2002-06-05
EP1211353A3 true EP1211353A3 (en) 2003-11-26

Family

ID=18829532

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01309029A Withdrawn EP1211353A3 (en) 2000-11-24 2001-10-24 Temperature-responsively operated drive mechanism

Country Status (2)

Country Link
EP (1) EP1211353A3 (en)
JP (1) JP4308420B2 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4829266B2 (en) * 2008-03-25 2011-12-07 積水樹脂株式会社 Self-luminous device
JP5745928B2 (en) * 2011-05-12 2015-07-08 奥村　修 Temperature-responsive display device
JP6138800B2 (en) * 2011-09-11 2017-05-31 ソーラー ブライト リミテッドＳｏｌａｒ Ｂｒｉｇｈｔ Ｌｉｍｉｔｅｄ Road marker or light warning device
JP6114979B2 (en) * 2012-06-29 2017-04-19 奥村　修 Temperature-responsive display device
KR101338137B1 (en) 2012-07-05 2013-12-06 한국과학기술연구원 Actuator using shape memory alloy
JP2014038516A (en) * 2012-08-17 2014-02-27 Hayashi Bussan Co Ltd Vertically long traffic sign
RU184148U1 (en) * 2018-04-03 2018-10-17 Александр Анатольевич Собко COMPOSITE MATERIAL ROAD SIGN
CN114214979B (en) * 2021-12-21 2022-12-13 安徽省路桥工程集团有限责任公司 Multifunctional integrated rod piece for urban crossroads

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0688314A (en) * 1992-09-10 1994-03-29 Osamu Okumura Signpost device for indicating freeze
JPH08151609A (en) * 1994-11-30 1996-06-11 Anritsu Corp Freezing alarm system
JPH0995913A (en) * 1995-10-03 1997-04-08 Sekisui Jushi Co Ltd Cleaning structure of indicating surface of indicating body
JPH09203015A (en) * 1996-01-30 1997-08-05 Tokyo Seiko Co Ltd Freeze warning sign
JPH10195831A (en) * 1997-01-06 1998-07-28 Osamu Okumura Sign device for displaying freezing
JPH11323850A (en) * 1998-05-12 1999-11-26 Shigenori Otsuka Information display device

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0688314A (en) * 1992-09-10 1994-03-29 Osamu Okumura Signpost device for indicating freeze
JPH08151609A (en) * 1994-11-30 1996-06-11 Anritsu Corp Freezing alarm system
JPH0995913A (en) * 1995-10-03 1997-04-08 Sekisui Jushi Co Ltd Cleaning structure of indicating surface of indicating body
JPH09203015A (en) * 1996-01-30 1997-08-05 Tokyo Seiko Co Ltd Freeze warning sign
JPH10195831A (en) * 1997-01-06 1998-07-28 Osamu Okumura Sign device for displaying freezing
JPH11323850A (en) * 1998-05-12 1999-11-26 Shigenori Otsuka Information display device

Non-Patent Citations (6)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 018, no. 352 (M - 1631) 4 July 1994 (1994-07-04) *
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 10 31 October 1996 (1996-10-31) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 08 29 August 1997 (1997-08-29) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 12 25 December 1997 (1997-12-25) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 12 31 October 1998 (1998-10-31) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 02 29 February 2000 (2000-02-29) *

Also Published As

Publication number Publication date
EP1211353A2 (en) 2002-06-05
JP2002163764A (en) 2002-06-07
JP4308420B2 (en) 2009-08-05

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Brunner Go with the flow

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