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Precision machine vise

  • US 5,056,766 A
  • Filed: 06/16/1989
  • Issued: 10/15/1991
  • Est. Priority Date: 06/16/1989
  • Status: Expired due to Fees
First Claim
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1. A vise for use with a machining table having a flat upper surface and at least one elongated T-slot in said upper surface, comprisinga first vise jaw movable within said elongated T-slot to any desired position on said table,first clamping means within said T-slot for clamping said first jaw in a first stationary position on said table,a second vise jaw,a jaw support for supporting said second vise jaw,second clamping means within said T-slot for clamping said jaw support in a second stationary position on said table spaced from said first jaw,means for mounting said second jaw on said jaw support for movement relative to said first jaw in the direction of said T-slot, said mounting means on said second jaw horizontally surrounding said jaw support said jaw support and said second jaw having opposing surfaces extending transverse to said T-slot, at least one of said opposing surfaces being in a plane inclined to said upper surface of said table,a wedge member inserted between said opposing surfaces and having opposite sides conforming in inclination to, and pressing against said opposing surfaces, andmeans for adjusting the position of said wedge member in a direction perpendicular to said upper surface of said table, thereby to adjust the position of said second jaw relative to said first jaw, wherein said second jaw is biased toward said jaw support by a biasing means acting between said second support mounting means and said jaw support in the direction of the slot.

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