Patent GB-364924-A (GB)
Title: Improvements relating to resonance controlling devices for performing definite operations
IPC: H02J13/00
Filed: 1931-03-05
Abstract: 364,924. Distant control systems. LANDIS ET GYR SOC. ANON., 1, Hofstrasse, Zug, Switzerland. March 5, 1931, No. 6887. Convention date, March 6, 1930. [Class 40 (i).] In a device for the remote control of various operations, for example, the opening and closing of switches, and the changing over in multiple tariff meters, in which two resonance spring drives are employed which alternately are actuated, respectively, by alternating currents of different frequencies, one drive being used for effecting an operation in one direction, and the other for effecting the operation in a reverse or different direction, a change-over device is provided, whereby a controlling mechanism effecting the control of the operations is uncoupled from the resonance driving gear in operation and is coupled to the resonance driving gear which is at rest. In the construction shown, in which gear wheels 30, 31, each forming part of a counting train, are adapted to be connected alternately by means of a pinion 32 to the driving spindle of an electricity meter, pinions 5, 6, are adapted to be driven, alternately, by one or other of two resonance spring drives (not shown). These pinions engage, respectively, gear wheels 2, 4, loosely mounted on a shaft 1, which also carries a rotatably-mounted gear wheel 3. This wheel is provided with a pinion 7, in engagement with a segment 9 fixed on a shaft 8. To this shaft is fixed a controlling member 24 formed with an arm 25 to which is connected one end of a spring 26, the other end being secured to a pin 27 on a lever 28 connected to the pinion 32. The member 24 is formed with abutments 22, 23 adapted to engage an arm 18 on a bail 13, which carries change-over gear. The bail 13 is rotatably mounted on a shaft 12 mounted to turn in bearings 10, 11, and is provided with pinions 14, 15, of which the pinion 14 can be brought into engagement with the gear wheels 3, 4, and the pinion 15 with the gear wheel 2. The pinion 15 meshes with a pinion 16 fixed to the shaft 12 to which is also fixed a pinion 17 meshing with a gear wheel 3. With the arrangement shown the spring drive for the pinion 6 is operated. After a time this drive comes to rest and the drive for the pinion 5 operates, whereby through the medium of the gear wheels 2, 15, 16, 17, 3, 7, the segment 9 is rotated and with it the member 24. This movement, by means of the spring 26, causes the lever 28 to be thrown over so as to bring the pinion 32 into engagement with the gear wheel 31. Subsequently the abutment 23 on the member 24 engages the arm 18 to rock the bail 13 into a position in which the pinion 14 is in gear with the wheels 3, 4 and the pinion 15 is disengaged from the wheel 2. A spring 20 assists the rocking of the bail. The gear wheels 5, 2 run idly until the spring drive for pinion 5 ceases to operate. The other spring drive then causes the segment 9 to be rotated, through the medium of the wheels 6, 4, 14, 7. The rocking of the bail 13 may be effected electromagnetically under the control of the member 24. The Specification as open to inspection under Sect. 91 (3) (a) comprises also the application of the invention to the control of clocks. This subject-matter does not appear in the Specification as accepted.