Horology: time measuring systems or devices – Oscillating or reciprocating means – Pendulum type
Patent
1984-09-14
1985-10-01
Roskoski, Bernard
Horology: time measuring systems or devices
Oscillating or reciprocating means
Pendulum type
368165, 446133, 40426, 273 1M, G04B 1702
Patent
active
045442827
DESCRIPTION:
BRIEF SUMMARY
FIELD OF USE
The pendulum means according to the invention can be used wherever an initial energy supplied at the start of operation or an operating section is to be distributed over a maximum number of successive working strokes, which does not exclude a new impulse of force being supplied before the complete consumption of the energy quantity. A pendulum means according to the invention can be used as a toy (mobile) or for example as an eye-catcher in display windows. Other possible uses are as a balance for clocks, or as a prime mover.
PRIOR ART
It is assumed that pendulum means with a post or column on which more than one rocker or see-saw is mounted are known. In the case of such known pendulum means, initially a relatively small energy quantity is supplied and this is rapidly consumed after a few strokes of the rocker or rockers.
PROBLEM, SOLUTION, ADVANTAGES
The problem of the invention is to so construct a pendulum means of the aforementioned type through the use of the possibilities of an alternating energy exchange between stores or accumulators of different energy types, that the energy quantity used for starting up the operation of the means is maintained to the maximum possible extent. This is more particularly to be permitted by a cyclically succeeding exchange between magnetic energy, potential mechanical energy and kinetic energy.
According to the invention, this problem is solved in that, on either side of its axis of symmetry, the symmetrical post carries a fixed magnet, each of which is faced by a movable magnet in such a way that the magnetic field distance between the two pairs of magnets varies and can be reduced to a minimum amount; that the two movable magnets are so coupled together by a rocker and a linkage connected in articulated manner thereto that alternately in each case one movable magnet assumes the minimum spacing and the other the maximum spacing from the fixed magnet associated therewith; that a magnetic diaphragm movable at right angles to the magnetic field in the area of the minimum spacing is associated with each pair of magnets; that the two magnetic diaphragms are so coupled together by rockers mounted on the post and a control linkage, that alternately one diaphragm passes in blocking manner into the magnetic field of one pair of magnets and the other diaphragm releases the magnetic field between the other pair of magnets and that the rockers and linkage systems associated with the movable magnets and the magnetic diaphragms are coupled together by a weight moving downwards on the particular sloping surface of a rocker and which strikes against the other rocker and linkage system on abutting against a stop.
Due to the interchange of different energy types in such a means, it is ensured that a relatively large energy quantity is maintained in an almost unreduced form over a long-lasting sequence of pendulum strokes and that this sequence can, if necessary, be supplemented or extended by additional pulses compensating any reduction in the energy quantity which has occurred.
DEVELOPMENT OF THE INVENTION
The movable weight serving as the coupling means for the rocker and linkage systems and which moves downwards on the sloping surface of a rocker and serves to strike against the other rocker and linkage system can be a ball. However, It can also be a block-like, linearly moving body, which slides downwards on the sloping surface of the associated rocker. The linearly moving block-like body can also be guided on easily movable rollers along the rocker associated therewith.
A further possibility is offered by the fact that the linearly movable body is made from magnetic material and its path is surrounded by a wire coil in which, during its movement, it brings about an electric pulse, whose electric energy is intermittently supplied to the pendulum means with the rhythm of its movements or can be used in some other way.
Further possibilities for the advantageous further developments of the invention are described hereinafter relative to the embodiment shown in
REFERENCES:
patent: 3908307 (1975-09-01), Jocobson
patent: 4011674 (1977-03-01), Jocobson
patent: 4250657 (1981-02-01), Ishiguro
patent: 4421421 (1983-12-01), Bradt
patent: 4437262 (1984-03-01), Kaga
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