GB821689A - Improvements in or relating to mechanical escapements - Google Patents

Improvements in or relating to mechanical escapements

Info

Publication number
GB821689A
GB821689A GB401356A GB401356A GB821689A GB 821689 A GB821689 A GB 821689A GB 401356 A GB401356 A GB 401356A GB 401356 A GB401356 A GB 401356A GB 821689 A GB821689 A GB 821689A
Authority
GB
United Kingdom
Prior art keywords
escape wheel
relating
pallets
lever
balance
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
GB401356A
Inventor
William John Sherriff
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.)
Rotherham & Sons Ltd
Original Assignee
Rotherham & Sons 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 Rotherham & Sons Ltd filed Critical Rotherham & Sons Ltd
Priority to GB401356A priority Critical patent/GB821689A/en
Publication of GB821689A publication Critical patent/GB821689A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Abstract

821,689. Clocks and watches. ROTHERHAM & SONS Ltd. May 6, 1957 [Feb. 9. 1956], No. 4013/56. Class 139 In an escapement, Figs. 1 and 2, the escape wheel 28 has teeth 29 which co-operate directly with the balance impulse pin 18, 19 and has pins 27 which co-operate with the pallets 26a, 26b of the lever 23 which is slotted at 25 to embrace the escape wheel arbor 28a. The guard pin 21 co-operates with the safety roller 17. The lever, balance and escape wheel arbors are in alignment. The escape wheel 28 may rotate in either direction under the control of one or other of the pallets 26a, 26b.
GB401356A 1956-02-09 1956-02-09 Improvements in or relating to mechanical escapements Expired GB821689A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB401356A GB821689A (en) 1956-02-09 1956-02-09 Improvements in or relating to mechanical escapements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB401356A GB821689A (en) 1956-02-09 1956-02-09 Improvements in or relating to mechanical escapements

Publications (1)

Publication Number Publication Date
GB821689A true GB821689A (en) 1959-10-14

Family

ID=9769115

Family Applications (1)

Application Number Title Priority Date Filing Date
GB401356A Expired GB821689A (en) 1956-02-09 1956-02-09 Improvements in or relating to mechanical escapements

Country Status (1)

Country Link
GB (1) GB821689A (en)

Similar Documents

Publication Publication Date Title
GB1359577A (en) One-piece roller-impulse member for timepiece escapement
GB821689A (en) Improvements in or relating to mechanical escapements
GB682566A (en) Improvements in or relating to lever escapements
GB842150A (en) Improvements relating to timekeepers having detached escapements
GB856684A (en) Improvements in or relating to timepiece escapement mechanisms
GB958126A (en) Escapement lever for watches, timepieces and the like
GB779292A (en) Improvements in or relating to horological instruments
JPS5277773A (en) Watch with calculator
FR1225705A (en) Clockwork mechanism for watches, in particular for wristwatches with centrifugal weight winding
GB705008A (en) Improvements in and relating to lever escapements for time pieces
GB959396A (en) Escapement lever for watches, timepieces and the like
GB604721A (en) Shock-absorbing bearing for watches and the like
GB766842A (en) Improvements in or relating to lever escapements
GB1383027A (en) Timepiece movement assembly
GB1270747A (en) A stopwatch or chronograph
GB910683A (en) Improvements in or relating to chronometers
GB824822A (en) Improvements in and relating to horological balances
GB894452A (en) Improvements in or relating to unjewelled lever escapements
USD178631S (en) Combined dial and hands for timepieces
GB849841A (en) Improvements in or relating to chance apparatus
GB1019875A (en) Methods of balancing timepiece balances
CA525061A (en) Chronometer with release gear, in particular alarm clock
GB943738A (en) Improvements in or relating to escapement controlled timing mechanisms
GB970995A (en) Electric wrist watch
GB741555A (en) Improvements in and relating to magnetic escapements for clocks and watches