CA977163A - Plastic escapement lever - Google Patents

Plastic escapement lever

Info

Publication number
CA977163A
CA977163A CA170,415A CA170415A CA977163A CA 977163 A CA977163 A CA 977163A CA 170415 A CA170415 A CA 170415A CA 977163 A CA977163 A CA 977163A
Authority
CA
Canada
Prior art keywords
plastic
escapement lever
escapement
lever
plastic escapement
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
CA170,415A
Other languages
English (en)
Other versions
CA170415S (en
Inventor
Robert R. Lawson
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.)
Bunker Ramo Corp
Original Assignee
Bunker Ramo Corp
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 Bunker Ramo Corp filed Critical Bunker Ramo Corp
Application granted granted Critical
Publication of CA977163A publication Critical patent/CA977163A/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
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements
    • 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
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Gears, Cams (AREA)
  • Springs (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
CA170,415A 1972-06-29 1973-05-04 Plastic escapement lever Expired CA977163A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00267334A US3803830A (en) 1972-06-29 1972-06-29 Plastic escapement lever

Publications (1)

Publication Number Publication Date
CA977163A true CA977163A (en) 1975-11-04

Family

ID=23018360

Family Applications (1)

Application Number Title Priority Date Filing Date
CA170,415A Expired CA977163A (en) 1972-06-29 1973-05-04 Plastic escapement lever

Country Status (6)

Country Link
US (1) US3803830A (fr)
JP (1) JPS4965257A (fr)
CA (1) CA977163A (fr)
DE (1) DE2332996A1 (fr)
FR (1) FR2191168B1 (fr)
GB (1) GB1435566A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3942317A (en) * 1974-12-03 1976-03-09 Ebauches Bettlach S.A. Component parts for watch movements
CN1040698C (zh) * 1994-07-26 1998-11-11 矫大羽 旋转擒纵调速器
ES2325099T3 (es) * 2007-03-09 2009-08-25 Eta Sa Manufacture Horlogere Suisse Escape de relojeria con impulsos tangenciales.
EP2336832B1 (fr) * 2009-12-21 2020-12-02 Rolex Sa Échappement à ancre suisse
EP2482142B1 (fr) * 2011-01-27 2013-08-28 ETA SA Manufacture Horlogère Suisse Masse oscillante
EP2605081A1 (fr) * 2011-12-16 2013-06-19 ETA SA Manufacture Horlogère Suisse Balancier d'horlogerie surmoulé
EP2979138B1 (fr) * 2013-03-28 2017-06-28 ETA SA Manufacture Horlogère Suisse Procédé de fabrication d'une masse oscillante en matériaux composites

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US443248A (en) * 1890-12-23 Archibald bannatyne
GB574229A (en) * 1943-11-13 1945-12-28 Thomas Alfred Gummersall A silent lever escapement
CH240640A (de) * 1944-05-09 1946-01-15 Landis & Gyr Ag Ankerhemmung für Uhrwerke.
US2706884A (en) * 1949-04-19 1955-04-26 Paul H Fidelman Escapement regulator
FR1089122A (fr) * 1953-07-01 1955-03-15 Kienzle Uhrenfabriken Ag échappement à ancre pour mouvements d'horlogerie
DE1112019B (de) * 1957-10-03 1961-07-27 Heinz Kretschmer Stiftankerhemmung
US3425212A (en) * 1967-05-12 1969-02-04 Gen Time Corp Quiet clockwork escapement
US3446007A (en) * 1967-12-18 1969-05-27 Hamilton Watch Co Pallet type index mechanism

Also Published As

Publication number Publication date
GB1435566A (en) 1976-05-12
US3803830A (en) 1974-04-16
FR2191168B1 (fr) 1977-05-13
JPS4965257A (fr) 1974-06-25
FR2191168A1 (fr) 1974-02-01
DE2332996A1 (de) 1974-01-10

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