GB750853A - Instrument for checking the rate of time-piece movements - Google Patents

Instrument for checking the rate of time-piece movements

Info

Publication number
GB750853A
GB750853A GB8040/54A GB804054A GB750853A GB 750853 A GB750853 A GB 750853A GB 8040/54 A GB8040/54 A GB 8040/54A GB 804054 A GB804054 A GB 804054A GB 750853 A GB750853 A GB 750853A
Authority
GB
United Kingdom
Prior art keywords
rocker
reel
roller
checking
instrument
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
GB8040/54A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB750853A publication Critical patent/GB750853A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
    • G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
    • G04D7/12—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
    • G04D7/1207—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring
    • G04D7/1214—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for complete clockworks
    • G04D7/1221—Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard only for measuring for complete clockworks with recording, e.g. vibrograph

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Impression-Transfer Materials And Handling Thereof (AREA)

Abstract

750,853. Ink-ribbon mechanisms. MARTI, F., BRAUNSCHWEIG, G., and SCHAAD, J. March 19, 1954 [April 10, 1953], No. 8040/54. Class 100 (4). [Also in Groups XVIII and XIX] The ink ribbon 18, Figs. 1 and 2, of the recording mechanism of an instrument for checking the rate of a time-piece movement (see Group XVIII) is alternately wound off and on one of two reels 19, 20 connected respectively to pinions 21, 22 alternately driven by a gear 23, 24. The reels 19, 20 and their gears 21, 22 are supported by a rocker 25 pivoted on an axle 26. A second rocker comprising two levers 28 is pivoted at 27 to the rocker 25 and supports a roller 29 urged by a spring 30 against the reel 19 or 20 receiving the ribbon. When the diameter of said reel reaches a predetermined maximum the spring 30 pulls the roller 29 on to the other reel by a toggle action and weight of the roller 29 rocks the rocker 25 so that the pinion 21 or 22 of the other reel is brought into mesh with its driving gear 23 or 24.
GB8040/54A 1953-04-10 1954-03-19 Instrument for checking the rate of time-piece movements Expired GB750853A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH750853X 1953-04-10

Publications (1)

Publication Number Publication Date
GB750853A true GB750853A (en) 1956-06-20

Family

ID=4533861

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8040/54A Expired GB750853A (en) 1953-04-10 1954-03-19 Instrument for checking the rate of time-piece movements

Country Status (1)

Country Link
GB (1) GB750853A (en)

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