Drum Patents (Class 368/78)
  • Patent number: 9304495
    Abstract: A watch for providing a digital time display comprises a movement mechanism disposed in a case that includes a number of continuous belts. The belts each have a numerical indicia consistent with hours, minutes and optionally second. The belts mounted over opposed drums, and the drums are rotated through gear engagement motors to move the belts. The arrangement of belts and drums are mounted on a frame separate from the case. The motors are operated to move the belts to cause the numerical indicia of the combined belts to register with one or more windows visible through a transparent cover to provide a time display. The belts may be oriented to overlap one another. The watch includes a microcontroller for controlling the operation of the motors, an optical sensor to determining the position of the belts, and a wirelessly rechargeable battery pack for powering the motors.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: April 5, 2016
    Assignee: Devon Works, LLC
    Inventors: Jason M. Wilbur, Jeffrey J. Stephenson
  • Patent number: 8355297
    Abstract: A watch for providing a digital time display comprises a movement mechanism disposed in a case that includes a number of continuous belts. The belts each have a numerical indicia consistent with hours, minutes and optionally second. The belts mounted over opposed drums, and the drums are rotated through gear engagement motors to move the belts. The arrangement of belts and drums are mounted on a frame separate from the case. The motors are operated to move the belts to cause the numerical indicia of the combined belts to register with one or more windows visible through a transparent cover to provide a time display. The belts may be oriented to overlap one another. The watch includes a microcontroller for controlling the operation of the motors, an optical sensor to determining the position of the belts, and a wirelessly rechargeable battery pack for powering the motors.
    Type: Grant
    Filed: November 5, 2010
    Date of Patent: January 15, 2013
    Assignee: Devon Works, LLC
    Inventors: Jason M. Wilbur, Jeffrey J. Stephenson
  • Patent number: 8169859
    Abstract: A clock assembly having a primary body in the shape of a type of animal. The primary body has a front face and a back face, and the secondary body has a front portion and a back portion. The primary and secondary bodies each have substantially circular openings with inner surfaces that are configured for selective receipt of a clock. At least a portion of the secondary body is secured to at least a portion of the secondary body, such that when the primary body and the secondary body are secured together, the substantially circular openings of the primary and secondary bodies are flush with one another. The clock assembly has at least one eyepiece. The outer surface of a clock having a clock display and a housing is mounted inside the inner surface of the opening of the primary body and the inner surface of the opening of the secondary body.
    Type: Grant
    Filed: November 5, 2008
    Date of Patent: May 1, 2012
    Inventor: James Sheehan
  • Patent number: 7742363
    Abstract: Mechanical digital display including at least one digit consisting of at least seven segments (1) for the display of alphanumeric characters. Each segment (1) is a body in the form of a bar (1) which can pivot about its longitudinal shaft (3), the said bars (1) having at least two areas resembling a first and a second strip (1?, 1?). These have different appearances, and are arranged along the length of the bar (1) in such a way that the orientation of the bar (1) by rotation about its longitudinal shaft (3) enables either the first or the second strip (1?, 1?) to be made visible. The display of an alphanumeric character is achieved as a result of the dissimilarity of the appearance between the first and second strip (1?, 1?) of the set of bars (1). The pivoting of one or more bars (1) to replace the first strip (1?) with the second strip (1?) or vice versa generates the display of different alphanumeric characters.
    Type: Grant
    Filed: September 18, 2007
    Date of Patent: June 22, 2010
    Assignee: De Grisogono SA
    Inventors: Fawaz Gruosi, Jean-François Mojon
  • Patent number: 4937798
    Abstract: In an elapsed-time meter, which comprises indicating digit wheels, which are mounted in a housing and operable by an electric motor via an interposed transmission, the rotor of the drive motor is rotatably mounted at one end in a partition contained in the housing and at the other end in a mounting plate, which on the side that is remote from the partition carries the transmission and which is integrally formed with resilient lugs, which cooperate with detent noses carried by the partition to detachably fix the mounting plate in position.
    Type: Grant
    Filed: April 10, 1989
    Date of Patent: June 26, 1990
    Assignee: Hengstler GmbH
    Inventor: Hubert Zepf
  • Patent number: 4568197
    Abstract: A time piece comprising a cylindrical casing formed of transparent material which is closed at its bottom end by a bottom cover on which is mounted a clock movement whose output spindles are drivingly connected by plates to respective drum-like members provided on their outer peripheries with indicia, representing time, the drum-like members being concentrically arranged so that their indicia can be viewed through a window provided on a sleeve mounted on the casing, the inner side of the sleeve comprising a non-transparent sheet which is cut-away in the region of the window. The time is read off the drum-like members in a vertical direction.
    Type: Grant
    Filed: February 15, 1984
    Date of Patent: February 4, 1986
    Inventor: Philip Y. T. Lam
  • Patent number: 4423965
    Abstract: An elongated clock includes a pair of adjacent, cylindrical, rolls providing one roll with five minute segments indicated and a second roll with twelve hours of morning and evening indicated. These rolls are mounted about a shaft connected with a constant speed motor which rotates the minute cylinder at a constant rate. A gearing arrangement at the end of the shaft couples the shaft with the roll indicating hours and turns the hour roll once every hour. A segmented drive gear is coupled to the shaft and includes a pair of teeth which engage a pinion which in turn has every tooth meshing with a gear attached to turn the hour roll. Thus, one complete rotation of the shaft produces one-twelfth of a full rotation of the hour roll. The pinion gear is prevented from overriding after indexing because a locking rim of the segmented drive gear nestles into gear teeth extensions of every other tooth of the pinion gear.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: January 3, 1984
    Inventors: Johannes F. J. M. Muller, Joannes A. M. Van Dongen
  • Patent number: 4357691
    Abstract: A rectangular-faced clock is provided wherein the passage of time is indicated by the intersection of a horizontal and vertical lines moving respectively vertically and horizontally across the front of the clock. The movement of one line relative to the other and vice versa respectively represent the passage of hours and minutes. A convenient means of achieving this result is to mark the lines on endless bands trained about rollers driven by a synchronous electric motor or motors.
    Type: Grant
    Filed: August 26, 1980
    Date of Patent: November 2, 1982
    Inventor: James Goodchild
  • Patent number: 4320480
    Abstract: A switch programming mechanism is afforded by means of an endless switch chain. The switch chain is provided with switch riders or triggers serving as mechanical abutments for the actuation of the switch. The switch chain may be formed with tooth elements having truncated inner ends and being axially displaceable on their interconnection means relative to one another. The switch chain is particularly well suited for fitting within the confines of a ordinal-display switch clock and for controlling the operation thereof.
    Type: Grant
    Filed: May 1, 1980
    Date of Patent: March 16, 1982
    Assignee: Dieter Graesslin Feinwerktechnik
    Inventor: Peter Schonhardt
  • Patent number: 4277841
    Abstract: A stepping motor (44) for use in and in combination with an elapsed time indicator (10) of the type including a plurality of indicator drums (102, 104, 106 and 108) and a drive train (FIG. 3) driven by the motor for driving the indicator drum (102). The motor includes a rotor (56) and a stator providing a pair of stator poles (50, 52) including a notch (94, 96) in respective poles faces. The notch creates a pair of pole faces, one of major length and the other of minor length in each stator pole. In a non-current condition, the rotor seeks a dwell or detent position rotationally toward the pole face of greater concentration of iron. When the winding (54) is pulsed, the rotor, within at least the second pulse, moves unidirectionally and between pulses locates a further dwell or detent position. An indicator (154) including a flag (156) is controlled in movement by the motor so that the flag is moved into and out of a viewing window (40) to indicate motor operation.
    Type: Grant
    Filed: March 14, 1979
    Date of Patent: July 7, 1981
    Assignee: General Time Corporation
    Inventor: Gerald W. Ogden
  • Patent number: 4270195
    Abstract: An alarm time is digitally indicated by the figures on a first drum indicating the hour unit and a second drum indicating the minute unit of the alarm time. An alarm setting indication plate comprises a shutter for covering the figures and an arm interlocked with an alarm stopping button through the first and second drums.
    Type: Grant
    Filed: January 15, 1980
    Date of Patent: May 26, 1981
    Assignee: Seiko Koki Kabushiki Kasiha
    Inventors: Masuo Ogihara, Kozo Chimura, Nobuo Shinozaki, Yoichi Seki
  • Patent number: 4244126
    Abstract: This invention is a combination of known elements for a new use. This is an adaptation of the old shadow light principle coupled with time to cause three different light apertures to be aligned in a lighted window effect, thereby indicating a previously programmed marking to remind the owner of hourly, daily or weekly radio, television programs, appointments or meetings.
    Type: Grant
    Filed: September 29, 1978
    Date of Patent: January 13, 1981
    Inventor: Don S. James
  • Patent number: 4207733
    Abstract: An elapsed time indicator is provided which performs accurate and reliable time measurements. The device includes an indicator assembly having a plurality of numbered wheels drivingly coupled to a drive wheel having a plurality of upstanding peripheral teeth. A verge escapement mechanism employs a side acting verge member which moves in a predetermined plane and acts on only one side of the drive wheel. The peripheral teeth of the drive wheel cooperate with the verge member to move the drive wheel through predetermined intervals and drive the numbered wheels of the indicator assembly. An electromagnet pulsed by a solid state time base and driver circuit oscillates the verge member to advance the drive wheel and to operate the indicator assembly.
    Type: Grant
    Filed: September 7, 1978
    Date of Patent: June 17, 1980
    Assignee: Datcon Instrument Company
    Inventors: Leonard H. Copeland, Joseph B. Wible