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GB2013817A - Vehicle windscreen wiper variable-throw crank actuating mechanism - Google Patents

Vehicle windscreen wiper variable-throw crank actuating mechanism

Info

Publication number
GB2013817A
GB2013817A GB7848197A GB7848197A GB2013817A GB 2013817 A GB2013817 A GB 2013817A GB 7848197 A GB7848197 A GB 7848197A GB 7848197 A GB7848197 A GB 7848197A GB 2013817 A GB2013817 A GB 2013817A
Authority
GB
United Kingdom
Prior art keywords
eccentric member
connecting rod
crank pin
throw
gear wheel
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.)
Granted
Application number
GB7848197A
Other versions
GB2013817B (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.)
ZF International UK Ltd
Original Assignee
Lucas Industries 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 Lucas Industries Ltd filed Critical Lucas Industries Ltd
Priority to GB7848197A priority Critical patent/GB2013817B/en
Publication of GB2013817A publication Critical patent/GB2013817A/en
Application granted granted Critical
Publication of GB2013817B publication Critical patent/GB2013817B/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/08—Wipers or the like, e.g. scrapers characterised by the drive electrically driven
    • B60S1/0803—Intermittent control circuits
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S1/00—Cleaning of vehicles
    • B60S1/02—Cleaning windscreens, windows or optical devices
    • B60S1/04—Wipers or the like, e.g. scrapers
    • B60S1/06—Wipers or the like, e.g. scrapers characterised by the drive
    • B60S1/16—Means for transmitting drive
    • B60S1/18—Means for transmitting drive mechanically
    • B60S1/185—Means for transmitting drive mechanically with means for stopping or setting the wipers at their limit of movement
    • 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
    • F16H—GEARING
    • F16H21/00—Gearings comprising primarily only links or levers, with or without slides
    • F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
    • F16H21/40—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane for interconverting rotary motion and oscillating motion

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transmission Devices (AREA)

Abstract

A vehicle windscreen wiper actuating mechanism comprises a reversible motor which drives a gear wheel 10. A crank pin 13 extends from the gear wheel 10 and has an eccentric member 14 rotatably mounted thereon. The eccentric member 14 has a cylindrical boss 21 whose axis is spaced from and parallel to that of the crank pin 13. A connecting rod 28 has a circular opening 29 engaged around the boss 21. The eccentric member 14 has an arcuate recess 27 in its underside. The ends of the recess 27 define first and second abutments 25 and 26. Stops 36 and 37 are defined by opposite sides of a projection 35 extending from the gear wheel 10 and engaging in the recess 27. A cup-shaped washer 30 rotatable with the eccentric member 14 is urged against the connecting rod 28 by a spring 31. In a forward direction of motor rotation, the first abutment 25 engages against the stop 36 so that a throw T1 of the connecting rod 28 is produced. In a reverse direction of motor rotation, a throw T2 is produced, T2 being greater than T1, movement of the eccentric member 14 relative to the crank pin 13 to change the throw occurs because of the frictional resistance differences in the bearing surfaces between the crank pin and the eccentric member and the eccentric member and the connecting rod. <IMAGE>
GB7848197A 1978-01-06 1978-12-12 Vehicle windscreen wiper actuating mechanism Expired GB2013817B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7848197A GB2013817B (en) 1978-01-06 1978-12-12 Vehicle windscreen wiper actuating mechanism

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB44578 1978-01-06
GB7848197A GB2013817B (en) 1978-01-06 1978-12-12 Vehicle windscreen wiper actuating mechanism

Publications (2)

Publication Number Publication Date
GB2013817A true GB2013817A (en) 1979-08-15
GB2013817B GB2013817B (en) 1982-06-03

Family

ID=26235927

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7848197A Expired GB2013817B (en) 1978-01-06 1978-12-12 Vehicle windscreen wiper actuating mechanism

Country Status (1)

Country Link
GB (1) GB2013817B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413988A1 (en) * 1978-01-06 1979-08-03 Lucas Industries Ltd WINDSCREEN WIPER MECHANISM CONTROL DEVICE
CN107640126A (en) * 2016-07-22 2018-01-30 台州法雷奥温岭汽车零部件有限公司 Support for motor and the Wiper system with the support
CN107719310A (en) * 2017-09-14 2018-02-23 中国科学院西安光学精密机械研究所 Shipborne camera and window water scraping device thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2413988A1 (en) * 1978-01-06 1979-08-03 Lucas Industries Ltd WINDSCREEN WIPER MECHANISM CONTROL DEVICE
CN107640126A (en) * 2016-07-22 2018-01-30 台州法雷奥温岭汽车零部件有限公司 Support for motor and the Wiper system with the support
CN107640126B (en) * 2016-07-22 2024-02-20 台州法雷奥温岭汽车零部件有限公司 Bracket for motor and windshield wiper system with same
CN107719310A (en) * 2017-09-14 2018-02-23 中国科学院西安光学精密机械研究所 Shipborne camera and window water scraping device thereof

Also Published As

Publication number Publication date
GB2013817B (en) 1982-06-03

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Legal Events

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