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SERVICE REMINDER APPARATUS

  • US 3,776,177 A
  • Filed: 06/13/1972
  • Issued: 12/04/1973
  • Est. Priority Date: 06/13/1972
  • Status: Expired due to Term
First Claim
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1. An indicia indicating apparatus comprising a housing having generally parallel front and back panels, a plurality of front apertures in said front panel, a plurality of corresponding back apertures in said back panel disposed opposite said front apertures, a plurality of corresponding indicia carrying wheels comprising a generally circular body member having a generally cylindrical indicia carrying surface viewably disposed at said front aperture and protruding from said back aperture for rotation by an operator'"'"''"'"'s fingers using said indicia carrying surface, a first hub having a plurality of flat surfaces corresponding in number to the number of indicia on said indicia carrying surface of said body member, said first hub attached to one side of said body member having its axis of rotation coincident with the axis of rotation of said circular body member, a second hub, smaller in diamter than said first hub, attached to the other side of said body member and having its axis of rotation coincident with the axis of rotation of said circular body member, a set of first retainer arms attached to said housing adapted to receive said first hub and exert a force on at least one of said flat surfaces of said first hub, and a set of second retainer arms attached to said housing disposed adjacent said set of first retainer arms, adapted to receive said second hub.

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