GB661302A - Improvements relating to vehicle windscreen wipers - Google Patents

Improvements relating to vehicle windscreen wipers

Info

Publication number
GB661302A
GB661302A GB985649A GB985649A GB661302A GB 661302 A GB661302 A GB 661302A GB 985649 A GB985649 A GB 985649A GB 985649 A GB985649 A GB 985649A GB 661302 A GB661302 A GB 661302A
Authority
GB
United Kingdom
Prior art keywords
contacts
motor
blades
racks
control
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
GB985649A
Inventor
Alfred Harold Yardley
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
Joseph Lucas 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 Joseph Lucas Ltd filed Critical Joseph Lucas Ltd
Priority to GB985649A priority Critical patent/GB661302A/en
Publication of GB661302A publication Critical patent/GB661302A/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
    • B60S1/16—Means for transmitting drive
    • B60S1/18—Means for transmitting drive mechanically
    • B60S1/26—Means for transmitting drive mechanically by toothed gearing
    • 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
    • B60S1/0814—Wipers or the like, e.g. scrapers characterised by the drive electrically driven using several drive motors; motor synchronisation circuits

Abstract

661,302. Control of two motors. LUCAS, Ltd., J. March 20, 1950. [April 12, 1949] No. 9856/49. Class 38 (iii). [Also in Group XXIII] Relates to a control system for two windscreen wipers (see Group XXIII) which ensures proper co-ordination of the movements of the two wiper arms. Two electric motors p, driving wiper arms d through the medium of crank and reduction gearing, racks f and pinions b, are controlled by two-way switches associated with each arm as shown in Figs. 2 and 3. In Fig. 2 the switch blades h, have been moved by the racks f at the ends of their strokes to close contacts o, n on the blades h and on blades j respectively. If a manual switch r is now made the left hand contacts o, n, control the circuit of the right motor p and the right hand contacts o, n, control the circuit of the left hand motor p. The circuits are energised from a battery q. As the racks are reciprocated the blades h return to a position so that the contacts o, m are closed, the contacts m being provided on switch blades i. The motors p are then controlled by their associated two-way switches as shown in Fig. 3. If one motor should run faster than the other it will be brought to rest when its associated rack causes its associated contacts o, m to open and its contacts o, n, to close. This motor will then only restart when the other motor causes its associated rack to open its associated contacts o, m and close its contacts o, n. The condition shown in Fig. 1 will then be effected and the two wiper arms will again be oscillated.
GB985649A 1949-04-12 1949-04-12 Improvements relating to vehicle windscreen wipers Expired GB661302A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB985649A GB661302A (en) 1949-04-12 1949-04-12 Improvements relating to vehicle windscreen wipers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB985649A GB661302A (en) 1949-04-12 1949-04-12 Improvements relating to vehicle windscreen wipers

Publications (1)

Publication Number Publication Date
GB661302A true GB661302A (en) 1951-11-21

Family

ID=9880062

Family Applications (1)

Application Number Title Priority Date Filing Date
GB985649A Expired GB661302A (en) 1949-04-12 1949-04-12 Improvements relating to vehicle windscreen wipers

Country Status (1)

Country Link
GB (1) GB661302A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2629885A1 (en) * 1975-07-03 1977-01-27 Gen Motors Ltd ELECTRIC WIPER SYSTEM FOR MOTOR VEHICLES
US5210900A (en) * 1991-05-02 1993-05-18 Saito Motors Co., Ltd. Rotary window cleaner

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2629885A1 (en) * 1975-07-03 1977-01-27 Gen Motors Ltd ELECTRIC WIPER SYSTEM FOR MOTOR VEHICLES
US5210900A (en) * 1991-05-02 1993-05-18 Saito Motors Co., Ltd. Rotary window cleaner

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