×

Self-inking stamping device

  • US 4,852,489 A
  • Filed: 11/18/1987
  • Issued: 08/01/1989
  • Est. Priority Date: 11/18/1987
  • Status: Expired due to Term
First Claim
Patent Images

1. In a stamping device comprising an upright hollow frame member having an open lower end to bear against a supporting surface, an operating member comprising a hollow encasement interfitting with and displaceable vertically relative to said frame member and a top closure fitting removably onto the upper end of said encasement, spring means normally holding said encasement in an upward position from which by one'"'"'s hand it can be pressed downward relative to said frame member to a stamping position, an ink pad holder supported by said frame member at a distance above said lower end, ink receiving means on the upper side of said holder for receiving and delivering ink for inking a pad in said holder, a displaceable type-carrying platen inside said frame member, and coacting means connected respectively with said platen, said frame member and said encasement for disposing said platen in an inking position at said holder when said encasement is in said upwrd position and disposing said platen in position to impress a surface at said lower end when said encasement is depressed to stamping position, said encasement comprising an upright wall outside and extending above said frame member and having spring seating means fixed to opposite upper end portions of opposite panels of said wall, said spring means being compressed between said ink pad holder and said seating means,the improvement wherein said spring seating means comprises separate ridge members protruding inward each toward another from said opposite upper end portions and each terminating at a free inner end spaced away from the inner end of the other, said opposite panels being divergent in downward direction from said bridge members to the lower end of said wall, said ink receiving means being accessible in the space between said bridge members upon removal of said top closure and depression of said encasement to stamping position, and said spring means comprises a coiled spring having an upper coil thereof being against the undersides of and spanning the space between said bridge members.

View all claims
  • 8 Assignments
Timeline View
Assignment View
    ×
    ×