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Link-type apron arrangement

  • US 4,762,020 A
  • Filed: 07/07/1987
  • Issued: 08/09/1988
  • Est. Priority Date: 05/30/1980
  • Status: Expired due to Fees
First Claim
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1. Link-type apron apparatus for protecting guide tracks, drive assemblies and the like, comprising,(1) a plurality of extruded light weight metal bar members having tapered slots in two opposing ends thereof and parallel to the longitudinal axis thereof, each said tapered slots being defined by a pair of mutually facing wall surfaces and tapering toward said two opposing ends,(2) a plurality of connecting bendable plastic elements, each said plastic members having a pair of end portions with tapering sides, said tapering sides entirely engaging said pair of mutually facing wall surfaces along the length thereof in said bar members forming said tapered slots and a central bendable section between said pair of end portions, said tapering sides being complementary to said taper in said slots and being tapered toward the center of said central bendable section, and said bars having ends which are so shaped, and spaced apart by said connecting elements, such that each bar can pivot relative to an adjacent bar through at least 90 degrees in one direction with the connecting element being subjected to a substantially pure bending loading without the adjacent bar members striking each other and said adjacent bar members have a limited pivotal movement in an oppsite direction to said one direction.

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