Summation Patents (Class 235/91G)
  • Patent number: 5808337
    Abstract: A totalizer assembly is enclosed in a housing having a base and a cover which cooperate to support and position a register assembly in the housing. The base and cover also cooperate to support and position a gear train in the housing. The gear train drives the register assembly. When units are to be totaled at a relatively fast rate, one gear train is used. When units are to be totaled at a relatively slow rate, a second gear train is used. The cover and base have surfaces for positioning the gears of either one of the two gear trains.
    Type: Grant
    Filed: August 11, 1995
    Date of Patent: September 15, 1998
    Assignee: Eaton Corporation
    Inventors: Michael G. Weimer, David K. Wetzel
  • Patent number: 5038367
    Abstract: A polling device (10) includes a housing (12), pushbuttons (14, 16) mounted on the housing for receiving customer responses to an inquiry, circuitry for counting and storing the number of times each pushbutton (14, 16) is depressed, and a time delay circuit for disabling the counting circuitry for a predetermined period of time after one of the pushbuttons has been depressed for discouraging repetitive voting. A display unit (46) for reading and displaying the number of times each pushbutton (14, 16) has been depressed is also provided.
    Type: Grant
    Filed: December 29, 1989
    Date of Patent: August 6, 1991
    Inventors: William Casey, Darwin Eakins