Compact simplified staple gun mechanism

  • US 6,145,728 A
  • Filed: 04/26/1999
  • Issued: 11/14/2000
  • Est. Priority Date: 04/26/1999
  • Status: Active Grant
First Claim
Patent Images

1. A fastening tool to install fasteners by impact blow comprising:

  • a housing body including a front, a rear, a top and a bottom;

    a fastener guide track attached to the housing near the bottom thereof, to guide fasteners toward the front of the housing;

    a plunger located at the front of the housing, the plunger oriented to expel objects at a front of the fastener guide track out of the fastening device;

    a spring fulcrum post within the housing;

    a power spring linked to the plunger, oriented to force the plunger toward the bottom of the housing, wherein the spring is elongated and extends from at least one spring opening in the plunger toward the rear of the housing, and the power spring pivotably presses the fulcrum post;

    an actuating lever linked to the plunger and rotatably linked to the housing at the spring fulcrum post so that rotation of the actuating lever about the spring fulcrum post lifts the plunger within a channel of the housing, wherein the channel is disposed above the front of the fastener guide track.

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