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Ejection force adjustable stapler

  • US 6,367,676 B1
  • Filed: 06/28/2001
  • Issued: 04/09/2002
  • Est. Priority Date: 06/28/2001
  • Status: Expired due to Fees
First Claim
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1. A stapler comprising:

  • a casing having a grasp hole defined therethrough and a staple receiving frame received in said casing, a staple pushing device engaged with said frame and including a push plate slidably mounted to said staple receiving frame, a groove defined in a periphery of said grasp hole and a pressing rod movably engaged with said groove;

    two resilient plates each having an end fixedly connected to said casing and said pressing rod pressing on said resilient plates a horizontal plate located in said casing and having two slots;

    a staple ejection device connected to said casing and having a base plate and an ejection plate, said base plate and said ejection plate both connected to said resilient plates;

    a handle pivotally connected to said casing and disengagably connected to said staple ejection device;

    an outer cover mounted to said casing, and a front cover having a guide member and a grasp member which is pivotally connected to said guide member, said guide member having two hooks which are engaged with said two slots of said horizontal plate in said casing, said grasp member engaged onto said outer casing.

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