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Cartridge Clamping With Breakage Prevention Disclosure Number: IPCOM000046148D
Original Publication Date: 1983-Jun-01
Included in the Prior Art Database: 2005-Feb-07

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Crowe, WR Molloy, JJ [+details]


Fig. 1 is a cross-sectional view taken through the center of a printer ribbon cartridge 1 having resilient blades 3 biased to hold the ribbon spools 5 and 7 upward. To load cartridge 1 for use, it is lowered onto printer structure 9. Arms 11, each having a camming projection 13, enter mating openings 15 (Fig. 3) in floor 17 of cartridge 1. Each camming projection 13 has a straight camming surface 19 (Fig. 2), and the floor 17 extends on the side opposite arms 11 to an area at which the end of each surface 19 in the latching position is over floor 17 as well as the more easily broken blades 3.