Importance

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Abstract

An inner frame having upper and lower portions carries an inkable pad in the lower portion thereof. The pad projects below the inner frame for contact with a surface to be stamped. An integral retaining ridge is located on the outer surface of the inner frame between the upper and lower portions. An outer frame is detachably connected to the inner frame and a hollow sleeve member is interposed between the inner and outer frames. The sleeve member has an upper flange which is located above the integral retaining ridge. A plurality of C-shaped resilient fingers integrally molded with the inner frame, outer frame or the sleeve member is located between the upper flange of the sleeve and the inner and outer frames. The lower edge of the sleeve member extends below the level of the inkable pad when the spring member is in the relaxed position. Downward pressure on the outer frame is transmitted by the detachable connection to the inner frame. The result is that the inkable pad contacts a surface to be stamped and the sleeve member telescopes into the inner and outer frames, compressing the C-shaped resilient fingers. Each end of the resilient fingers has a projection with a tapered upper surface and an engaging lower surface facilitating assembly of the structure wherein the sleeve member is slipped over the inner frame so that the flange is located between the projection and the retaining ridge.

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First Claim