GB1290204A – – Google Patents
GB1290204A – – Google Patents
Info
Publication number
GB1290204A
GB1290204A
GB1290204DA
GB1290204A
GB 1290204 A
GB1290204 A
GB 1290204A
GB 1290204D A
GB1290204D A
GB 1290204DA
GB 1290204 A
GB1290204 A
GB 1290204A
Authority
GB
United Kingdom
Prior art keywords
hairsprings
screw
bush
bushes
sept
Prior art date
1969-09-11
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
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.)
1969-09-11
Filing date
1970-09-09
Publication date
1972-09-20
1970-09-09
Application filed
filed
Critical
1972-09-20
Publication of GB1290204A
publication
Critical
patent/GB1290204A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
G—PHYSICS
G04—HOROLOGY
G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
G04C3/06—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance
G04C3/061—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance the balance controlling contacts and mechanically driving the gear-train
G—PHYSICS
G04—HOROLOGY
G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B17/00—Mechanisms for stabilising frequency
G04B17/32—Component parts or constructional details, e.g. collet, stud, virole or piton
G04B17/325—Component parts or constructional details, e.g. collet, stud, virole or piton for fastening the hairspring in a fixed position, e.g. using a block
G—PHYSICS
G04—HOROLOGY
G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
G04C3/04—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance
G04C3/06—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a balance using electromagnetic coupling between electric power source and balance
Abstract
1290204 Watches TIMEX CORP 9 Sept 1970 [11 Sept 1969] 43235/70 Heading G3T The outer ends 12′, 13′ of two hairsprings 12, 13 are simultaneously clamped in slits 23, 27 of conducting bushes 18, 25 respectively when a screw 14 is tightened. The hairsprings make electrical connections to a coil (2) Fig.1 (not shown) carried by a balance wheel 9 of an electronic watch, the bush 18 making an «earth» connection to a bridge 11 of the watch frame while bush 25 is insulated therefrom by a washer 29 and a hard plastics member 20. The shank 17 of the screw 14 is threaded in the bush 25 and an electrical connection to the screw is made through a wire or strip 31. An enlarged bottom portion of the plastics member 20 aligns and axially spaces the bushes 18, 25, the gap therebetween being filled with epoxy resin 24 after clamping. The clamping screw may be perpendicular to the balance wheel axis, Fig.4 (not shown), thus avoiding the twists in the end portions of the hairsprings. Other embodiments are described in which the edges of the hairsprings (47, 48) Figs.5, 6 (not shown) are pressed into a polyethylene collar (46) or in which the conducting bushes (63, 67) Fig.7 (not shown) are deformed by a hard plastics insulator (71) having wedge surfaces.
GB1290204D
1969-09-11
1970-09-09
Expired
GB1290204A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US85711069A
1969-09-11
1969-09-11
Publications (1)
Publication Number
Publication Date
GB1290204A
true
GB1290204A
(en)
1972-09-20
Family
ID=25325210
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1290204D
Expired
GB1290204A
(en)
1969-09-11
1970-09-09
Country Status (5)
Country
Link
US
(1)
US3553956A
(en)
CH
(2)
CH1318370A4
(en)
DE
(1)
DE2041110B2
(en)
FR
(1)
FR2063156B1
(en)
GB
(1)
GB1290204A
(en)
Families Citing this family (6)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
DE2421751A1
(en)
*
1974-05-06
1975-11-27
Timex Corp
IN PARTICULAR FOR ELECTRIC WATCHES, SPRING ARRANGEMENT
US3958410A
(en)
*
1975-06-02
1976-05-25
Timex Corporation
Termination device from hairspring-hub to drive coil on two conductor hairspring
EP2104006B1
(en)
*
2008-03-20
2010-07-14
Nivarox-FAR S.A.
Single-body double spiral and method for manufacturing same
EP2105807B1
(en)
2008-03-28
2015-12-02
Montres Breguet SA
Monobloc elevated curve spiral and method for manufacturing same
EP2151722B8
(en)
2008-07-29
2021-03-31
Rolex Sa
Hairspring for balance-spring resonator
EP3081996B1
(en)
*
2015-04-16
2019-02-27
Montres Breguet S.A.
Hairspring made of micro-machinable material with isochronism correction
1969
1969-09-11
US
US857110A
patent/US3553956A/en
not_active
Expired – Lifetime
1970
1970-08-19
DE
DE19702041110
patent/DE2041110B2/en
active
Pending
1970-09-03
CH
CH1318370D
patent/CH1318370A4/xx
unknown
1970-09-03
CH
CH1318370A
patent/CH524169A/en
not_active
IP Right Cessation
1970-09-09
GB
GB1290204D
patent/GB1290204A/en
not_active
Expired
1970-09-09
FR
FR7032797A
patent/FR2063156B1/fr
not_active
Expired
Also Published As
Publication number
Publication date
FR2063156A1
(en)
1971-07-09
CH1318370A4
(en)
1972-01-31
DE2041110B2
(en)
1972-02-17
CH524169A
(en)
1972-01-31
US3553956A
(en)
1971-01-12
FR2063156B1
(en)
1974-03-22
DE2041110A1
(en)
1971-03-25
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Legal Events
Date
Code
Title
Description
1973-01-31
PS
Patent sealed [section 19, patents act 1949]
1975-04-09
PLNP
Patent lapsed through nonpayment of renewal fees
