GB831161A - Improvements in or relating to balance wheels for time pieces - Google Patents

Improvements in or relating to balance wheels for time pieces

Info

Publication number
GB831161A
GB831161A GB1949657A GB1949657A GB831161A GB 831161 A GB831161 A GB 831161A GB 1949657 A GB1949657 A GB 1949657A GB 1949657 A GB1949657 A GB 1949657A GB 831161 A GB831161 A GB 831161A
Authority
GB
United Kingdom
Prior art keywords
balance
relating
balance wheels
june
steel
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
GB1949657A
Inventor
George Clay
Rhonald Frank Jenkins
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.)
S Smith and Sons Ltd
S Smith and Sons England Ltd
Original Assignee
S Smith and Sons Ltd
S Smith and Sons England 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 S Smith and Sons Ltd, S Smith and Sons England Ltd filed Critical S Smith and Sons Ltd
Priority to GB1949657A priority Critical patent/GB831161A/en
Priority to DE1958S0027366 priority patent/DE1821685U/en
Publication of GB831161A publication Critical patent/GB831161A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance
    • G04B17/063—Balance construction

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Vehicle Body Suspensions (AREA)
  • Braking Arrangements (AREA)
  • Tires In General (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

831,161. Casting composite balance wheels. SMITH & SONS (ENGLAND) Ltd., S. June 13, 1958 [June 20, 1957], No. 19496/57. Class 83 (1). [Also in Group XVIII] A balance 10, Fig. 1, for a time-piece is diecast from a metal-base alloy, e.g. zinc or tin, on a steel-balance staff 11 and a steel impulse pin 12 which are placed in the mould before pouring and has integral therewith an anchor post 13 for the inner end of a hair spring 14. The rim 15 is thickened at 16 and the hub 17 is recessed at 18.
GB1949657A 1957-06-20 1957-06-20 Improvements in or relating to balance wheels for time pieces Expired GB831161A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1949657A GB831161A (en) 1957-06-20 1957-06-20 Improvements in or relating to balance wheels for time pieces
DE1958S0027366 DE1821685U (en) 1957-06-20 1958-06-19 UNRUH FOR CLOCKWORK OD. DGL ..

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1949657A GB831161A (en) 1957-06-20 1957-06-20 Improvements in or relating to balance wheels for time pieces

Publications (1)

Publication Number Publication Date
GB831161A true GB831161A (en) 1960-03-23

Family

ID=10130332

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1949657A Expired GB831161A (en) 1957-06-20 1957-06-20 Improvements in or relating to balance wheels for time pieces

Country Status (2)

Country Link
DE (1) DE1821685U (en)
GB (1) GB831161A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1221153B (en) * 1960-07-01 1966-07-14 Greiner Electronic R Greiner K Spiral roller for kink-free fastening of the spiral spring of a rate-regulating oscillating system intended for clockworks
EP2063325A3 (en) * 2007-11-20 2011-11-30 Richemont International S.A. Mechanical watch movement
EP2653938A1 (en) * 2012-04-19 2013-10-23 ETA SA Manufacture Horlogère Suisse Horological balance
EP2871535A1 (en) * 2013-11-06 2015-05-13 ETA SA Manufacture Horlogère Suisse Timepiece pallet with optimised horns

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1221153B (en) * 1960-07-01 1966-07-14 Greiner Electronic R Greiner K Spiral roller for kink-free fastening of the spiral spring of a rate-regulating oscillating system intended for clockworks
EP2063325A3 (en) * 2007-11-20 2011-11-30 Richemont International S.A. Mechanical watch movement
EP2653938A1 (en) * 2012-04-19 2013-10-23 ETA SA Manufacture Horlogère Suisse Horological balance
WO2013156348A1 (en) 2012-04-19 2013-10-24 Eta Sa Manufacture Horlogère Suisse Timepiece balance
US9285773B2 (en) 2012-04-19 2016-03-15 Eta Sa Manufacture Horlogère Suisse Timepiece balance
EP2871535A1 (en) * 2013-11-06 2015-05-13 ETA SA Manufacture Horlogère Suisse Timepiece pallet with optimised horns
CN104635468A (en) * 2013-11-06 2015-05-20 Eta瑞士钟表制造股份有限公司 Timepiece pallet with optimised horns
CN104635468B (en) * 2013-11-06 2017-10-27 Eta瑞士钟表制造股份有限公司 Clock and watch escapement bar with optimal corner

Also Published As

Publication number Publication date
DE1821685U (en) 1960-11-10

Similar Documents

Publication Publication Date Title
GB831161A (en) Improvements in or relating to balance wheels for time pieces
GB679416A (en) Lever escapement
GB752106A (en) Improvements in or relating to clock-work escapement mechanisms
GB682953A (en) Improvements in and relating to wrist-watches
GB804255A (en) Improvements relating to roses for use upon watering cans and their manufacture
GB1215605A (en) Mounting for the hairspring and balance staff pivot in synchronised escapements
USD188733S (en)
GB604721A (en) Shock-absorbing bearing for watches and the like
GB772708A (en) Time-piece
Smith Some Foundry Problems in the Development of a New Marine Propeller Alloy
Smith DEVELOPMENT OF A MARINE-PROPELLER ALLOY
GB833796A (en) Improvements in or relating to the hands of clocks and their driving mechanism
GB842097A (en) Improvements in or relating to a clock
GB821689A (en) Improvements in or relating to mechanical escapements
CA523596A (en) Casting effervescent steel ingots
GB722394A (en) Improvements in or relating to cylinder escapements
GB512590A (en) Improved timing mechanism
GB605690A (en) Improvements in balance wheels
HESSE BRONZE PRESSURE CASTINGS AND DIRECTIONAL SOLIDIFICATION
FR2124622B1 (en)
CA528600A (en) Ductile cast iron
GB866745A (en) Improvements in exothermic sleeves for use in the casting of metals
GB1019875A (en) Methods of balancing timepiece balances
GB856684A (en) Improvements in or relating to timepiece escapement mechanisms
AU218375B2 (en) Improvements in and relating to alloy steels