Patent ID: 8485062
Filing Date: 2013-07-16
Classification: F16C,H02G,Y10T

Abstract:
1. A double-lock cable and flexible conduit gland for securing a cable, or, a cable and flexible conduit, to a box member, comprising: a shell, said shell having an axial through hole surrounded by an inside wall thereof, a tapered inner surface formed on the inside wall of said shell and an inner thread formed on the inside wall of said shell; a collar inserted in said shell, said collar having an axial through hole, a beveled outer end edge suspending outside the axial through hole of said collar and stoppable against the tapered inner surface of said shell and a plurality of protruding inner stop portions suspending inside the axial through hole of said collar; a packing ring inserted through the axial through hole of said collar and compressible by said collar to hold down the cable or the cable and flexible conduit, said packing ring having a first packing ring segment, a second packing ring segment and a stop flange segment connected between said first packing ring segment and said second packing ring segment and an axial through hole surrounded by said first packing ring segment and said second packing ring segment for the insertion of the cable, or the cable and flexible conduit, said second packing ring segment defining a tapered outer surface, said first packing ring segment having an outside annular groove extending around the periphery thereof for receiving the protruding inner stop portions of said collar, wherein the axial through hole of said packing ring has a diameter at said first packing ring segment larger than that at said second packing ring segment; a connection ring sleeved onto said collar and said packing ring and connectable between said shell and the box member, said connection ring having a retaining surface and a tapered inner surface formed on an inside wall thereof and stopped against said stop flange segment of said packing ring and the tapered outer surface of said packing ring, respectively, and a first outer thread extending around the periphery thereof and threaded into the inner thread of said shell.