GB2012486A - Windscreen wiper stop mechanisms - Google Patents

Windscreen wiper stop mechanisms

Info

Publication number
GB2012486A
GB2012486A GB7848196A GB7848196A GB2012486A GB 2012486 A GB2012486 A GB 2012486A GB 7848196 A GB7848196 A GB 7848196A GB 7848196 A GB7848196 A GB 7848196A GB 2012486 A GB2012486 A GB 2012486A
Authority
GB
United Kingdom
Prior art keywords
gearwheel
cam form
limit switch
plate portion
wiper
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
GB7848196A
Other versions
GB2012486B (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 GB7848196A priority Critical patent/GB2012486B/en
Publication of GB2012486A publication Critical patent/GB2012486A/en
Application granted granted Critical
Publication of GB2012486B publication Critical patent/GB2012486B/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/54—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand the operating part having at least five or an unspecified number of operative positions
    • H01H19/60—Angularly-movable actuating part carrying no contacts
    • H01H19/63—Contacts actuated by axial cams
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/02—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch
    • H01H3/16—Operating parts, i.e. for operating driving mechanism by a mechanical force external to the switch adapted for actuation at a limit or other predetermined position in the path of a body, the relative movement of switch and body being primarily for a purpose other than the actuation of the switch, e.g. for a door switch, a limit switch, a floor-levelling switch of a lift

Abstract

In a reversible motor-operated wiper mechanism including a gearwheel 10 through which drive is imparted to a wiper from the reversible motor, a device is provided for operating a limit switch 13 at a parked position of the wiper, and comprises an annulus 16 having a cam form 17 disposed under the gear wheel 10 and rotatable relative thereto when engaged by the edge of an arcuate plate 23 riveted to the underside of the gearwheel 10 and having a downwardly projecting plate portion 24. During forward rotation of the gearwheel 10, an abutment surface 25 of the plate portion 24 engages and drives the annulus 16 and cam form 17 while a spring 22 urges the cam form 17 upwardly so that a plunger 14 of the limit switch 13 does not lie in the path of movement of the cam form 17. In the reverse direction of rotation of the gearwheel, a ramp surface 26 on the plate portion 24 urges the cam form 17 downwardly so that the limit switch 13 is operated. <IMAGE>
GB7848196A 1978-01-06 1978-12-12 Wiper mechanisms Expired GB2012486B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB7848196A GB2012486B (en) 1978-01-06 1978-12-12 Wiper mechanisms

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB44478 1978-01-06
GB7848196A GB2012486B (en) 1978-01-06 1978-12-12 Wiper mechanisms

Publications (2)

Publication Number Publication Date
GB2012486A true GB2012486A (en) 1979-07-25
GB2012486B GB2012486B (en) 1982-06-30

Family

ID=26235925

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7848196A Expired GB2012486B (en) 1978-01-06 1978-12-12 Wiper mechanisms

Country Status (1)

Country Link
GB (1) GB2012486B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0209482A2 (en) * 1985-07-18 1987-01-21 MANNESMANN Aktiengesellschaft Overload protection device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0209482A2 (en) * 1985-07-18 1987-01-21 MANNESMANN Aktiengesellschaft Overload protection device
EP0209482A3 (en) * 1985-07-18 1989-07-26 MANNESMANN Aktiengesellschaft Overload protection device

Also Published As

Publication number Publication date
GB2012486B (en) 1982-06-30

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Legal Events

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