EP0340144A2 - Mécanisme de réglage et d'équilibrage de pendules à masse oscillante - Google Patents

Mécanisme de réglage et d'équilibrage de pendules à masse oscillante Download PDF

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Publication number
EP0340144A2
EP0340144A2 EP19890500052 EP89500052A EP0340144A2 EP 0340144 A2 EP0340144 A2 EP 0340144A2 EP 19890500052 EP19890500052 EP 19890500052 EP 89500052 A EP89500052 A EP 89500052A EP 0340144 A2 EP0340144 A2 EP 0340144A2
Authority
EP
European Patent Office
Prior art keywords
balancing
container
oscillating mass
brake
mass type
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.)
Withdrawn
Application number
EP19890500052
Other languages
German (de)
English (en)
Inventor
Eduard Farre Olive
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 EP0340144A2 publication Critical patent/EP0340144A2/fr
Withdrawn legal-status Critical Current

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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
    • G04B27/00—Mechanical devices for setting the time indicating means
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/04—Time pieces with invisible drive, e.g. with hands attached to a rotating glass disc
    • G04B45/043—Time pieces with invisible drive, e.g. with hands attached to a rotating glass disc the clockwork being positioned in the hands or pendulum

Definitions

  • the present utility model consists, as indicated in its title, of an "IMPROVED ADJUSTMENT AND BALANCING MECHANISM FOR OSCILLATING MASS TYPE CLOCKS", the new constructional, conformation and design features of which fulfil the mis­sion for which it has been specifically devised with maxi­mum reliability and efficiency.
  • Utility model number 8702207 of the same applicant dis­closes an improved oscillating mass clock, formed basically by two hands, one of which marks the hours and the other the minutes, each having its corresponding clockwork mech­anism, the main characteristic of the clockwork mechanism being that it does not cause the hands of the clock to ro­tate but that it is adapted to them and what causes the ro­tation is a shaft on which there has been mounted a counterweight located at a particular distance from the axis of rotation of such mechanism.
  • This oscillating mass clock has the peculiarity that when the corresponding hands are pushed, albeit brusquely, rotating around their own axis, they return to their posi­tion to mark not the time they were at before but the cur­rent time, after whatever time has elapsed, thereby con­tinuing their regular uniform movement.
  • large size clocks may be made which are easy to instal, since the machinery is fixedly attached to the hands and does not require any type of special casing or container for such machinery.
  • the present utility model application has the object therefore of improving solely and exclusively the adjusting and time setting mechanism of the said oscillating mass clock, notably improving a part thereof which enormously facilitates the setting of the time of the said clock at the same time as the drive shaft of the machinery is sup­ported by two centres.
  • the system of levelling the hands on the basis of counterweights moving in the lateral regions is abandoned and this form of adjustment is re­placed by two sets of balancers disposed in separate planes and which in turn may move relatively one to the other.
  • the support (10) is fixedly attached to either of the hands by through holes (10c) which allows the hands of the clock to be held immobile against the support (10) with the aid of conventional bolts or rivets.
  • This support (10) is an extremely flat disk which is provided on one of its sur­faces with the annular ridge (10a) of smaller diameter than (10), there being incorporated on the inner surface a plu­rality of pawl like projections (10d) leaving in the lower portion respective holes of rectangular perimeter (10c).
  • the pawl like projections (10d) engage with the con­tainer (11) of the mechanism by way of the holes (11b) pro­vided on the inner surface of its sole end wall.
  • the con­tainer (11) of the mechanism (15) has a cylindrical con­figuration of low height smaller than its diameter and open at one end.
  • In the center of the end wall of (11) there is a semicylindrical boss (11c) which acts as support for the shaft (15b) of the mechanism (15).
  • the brake (13) is inserted through the hole (11f) of the end wall of the container (11) and is guided in its verti­cal upward or downward movement by the channel like projec­tions (11d) and the guide (11e) which is inserted in the hole (13c) of the brake (13). In the normal opoerating position of the clock, the brake (13) is in the outermost position blocked by the force of the curved rod (12) which acts as a spring, which is trapped in the cavity formed by (13) and (13d).
  • the brake (13) presses the surface (13a) against the drive shaft (15b) of the mechanism (15) blocking the end wall (11) of the mechanism which rotates fixedly with the shaft (15b) of the mechanism (15), when it is desired to reset the time, by pressing the brake (13) at the bottom it moves upwardly and allows free rotation between the mechanism container (11) of the shaft of the machine (15b), the counterweight (14) moving to the lowermost position possible, at which time the upward pressure ceases and by the force of the spring (12) the brake (13) returns to its normal position and the mechanism container (11) becomes immobilized again fixedly to the shaft of the mechanism (15b).
  • the weight (14) is located inside the mechanism (15) and it is related with the hour position whereby the variation of the relative position of (14) to the position of the hands means the setting of the clock time.
  • Each of the hands is balanced by a balancing unit which is attached to the mechanism by the thin disk (19) having a plurality of pawl like projections (19a) and below these the substantially rectangular through hole (19b), there be­ing provided notches (19c) in the perifery of said disk.
  • the balancers are provided in pairs between the conical spacers (21) and (22) and have generally any anchor shape on the slightly curved base of which there are provided the toothed portions (20b) for mutual engagement of each set of two balancers (20).
  • the balancing units as may be seen in figure no. 2 are separated by thin spacing disks having a central bore (21b) and (22b) respectively and notches (22a) and (21a) in the perimeter.
  • the whole balancing unit that is the two pairs of coun­terweights or balancers (20) together with their spacer disks (22) and (21) are lodged within the container (23) which is formed by a cylinder of very small height relative to its diameter provided with projections (23a) for engage­ment thereof with the notches (22a) and (21a) of the coni­cal spacers.
  • the clock time is set jointly by pushing the brake (13) towards the interior and allowing free rotation of the mechanism (15) shaft at the same time as the hands are set to the right time, the brake (13) then being released and returning to its initial position. If it is necessary to balance the hands by the corresponding tool this is insert­ed in the hole (20a) of the balancers (20) to vary the relative position of each pair, for which purpose each part of the same balancers (20) has relative movement thanks to the toothed surface (20b) situated at the end thereof, said balancers (20) oscillating since the same hole (20a) serves as support for projections (19d) emerging from the inner surface of the balancer cover (19).

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Braking Arrangements (AREA)
  • Electromechanical Clocks (AREA)
  • Cage And Drive Apparatuses For Elevators (AREA)
EP19890500052 1988-04-29 1989-04-28 Mécanisme de réglage et d'équilibrage de pendules à masse oscillante Withdrawn EP0340144A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES8801521U ES1006976Y (es) 1988-04-29 1988-04-29 Mecanismo de ajuste y equilibrado perfeccionado para relojes del tipo de masas basculantes.
ES8801521U 1988-04-29

Publications (1)

Publication Number Publication Date
EP0340144A2 true EP0340144A2 (fr) 1989-11-02

Family

ID=8256349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19890500052 Withdrawn EP0340144A2 (fr) 1988-04-29 1989-04-28 Mécanisme de réglage et d'équilibrage de pendules à masse oscillante

Country Status (3)

Country Link
EP (1) EP0340144A2 (fr)
JP (1) JPH0222592A (fr)
ES (1) ES1006976Y (fr)

Also Published As

Publication number Publication date
JPH0222592A (ja) 1990-01-25
ES1006976Y (es) 1989-07-16
ES1006976U (es) 1989-01-16

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