A socket for coupling an end piece to a leg member of an article of furniture is described. The socket is insertable into an opening in the leg member and the socket has an opening therein for receiving a stem of the end piece. The socket comprises a tubular body having upper and lower ends. The low
A socket for coupling an end piece to a leg member of an article of furniture is described. The socket is insertable into an opening in the leg member and the socket has an opening therein for receiving a stem of the end piece. The socket comprises a tubular body having upper and lower ends. The lower end comprises the opening for receiving the stem of the end piece and the upper end is insertable into the leg member. In addition, the socket comprises a washer attached to the upper end of the socket. When the socket is inserted into the leg member, the washer has an interference fit with the inner diameter of the leg member.
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1. A socket for coupling an end piece to a leg member, wherein said socket is insertable into an opening in the leg member and the socket has an opening therein for receiving a stem of the end piece, the socket comprising: a tubular body having upper and lower ends, wherein the lower end comprises t
1. A socket for coupling an end piece to a leg member, wherein said socket is insertable into an opening in the leg member and the socket has an opening therein for receiving a stem of the end piece, the socket comprising: a tubular body having upper and lower ends, wherein the lower end comprises the opening for receiving the stem of the end piece and the upper end is insertable into the leg member, wherein the tubular body comprises a thermoplastic material; anda washer attached to the upper end of the socket, the washer having at least a substantially planar inner portion, wherein the washer comprises high carbon steel;wherein the washer is screwed into the upper end of the socket using a screw;wherein when the socket is inserted into the leg member, the washer has an interference fit with the inner diameter of the leg member. 2. The socket according to claim 1, wherein the tubular body comprises a plurality of longitudinal ribs arranged around an outer circumference thereof. 3. The socket according to claim 2, wherein the washer has an outer diameter that is larger than the outer diameter of the plurality of longitudinal ribs. 4. The socket according to claim 1, wherein the washer comprises a plurality of cut outs arranged around an outer circumference thereof. 5. The socket according to claim 1, wherein the socket is coupled to the end piece, and wherein the end piece is selected from the group consisting of casters, glides and adjusters. 6. The socket according to claim 1, wherein the washer is capable of flexing as the socket is inserted into the leg member. 7. The socket according to claim 1, wherein an outer portion of the washer is angled away from the substantially planar inner portion of the washer at an angle of about 30 to about 60 degrees as measured from the substantially planar inner portion. 8. The socket according to claim 1, comprises an enlarged diameter flange at the lower end of the socket. 9. The socket according to claim 1 comprising a stand-off portion at the upper end of the socket, the stand-off portion having a smaller diameter than the diameter of the tubular body, wherein the washer is attached to the stand-off portion. 10. The socket according to claim 1, wherein the screw is a drive screw, said drive screw comprising a plurality of knurls, barbs or striations that are capable of boring into the opening in the upper end of the socket. 11. The socket according to claim 10, wherein the drive screw has an interference fit with the opening in the upper end of the socket. 12. The socket according to claim 10, wherein the drive screw has a holding power of at least about 75 pounds with the socket. 13. The socket according to claim 1, wherein the screw reduces radial stress and expansion in the thermoplastic material and has an interference fit with the inner surface of the upper end of the socket. 14. An assembly comprising: a) a socket comprising: a tubular body having upper and lower ends, wherein the lower end comprises an opening for receiving a stem, wherein the tubular body comprises a thermoplastic material; anda washer attached to the upper end of the socket, the washer having at least a substantially planar inner portion, wherein the washer comprises high carbon steel;b) an end piece couplable to the lower end of the socket, wherein the end piece comprises the stem that is insertable into the lower end of the socket; andc) a leg member couplable to an upper end of the socket, wherein the socket is insertable into an opening of the leg member; wherein the washer is screwed into the upper end of the socket;wherein when the socket is inserted into the leg member, the washer has an interference fit with the inner diameter of the leg member. 15. The assembly according to claim 14, wherein the socket is press fit into the opening of the leg member, and wherein as the socket is inserted into the opening of the leg member, the washer flexes. 16. The assembly according to claim 14, wherein the tubular body comprises a plurality of longitudinal ribs arranged around an outer circumference thereof. 17. The assembly according to claim 14, wherein the washer has an outer diameter that is larger than the inner diameter of the opening of the leg member. 18. The assembly according to claim 14, wherein the washer comprises a plurality of cut outs arranged around an outer circumference thereof. 19. The assembly according to claim 14, wherein the end piece is selected from the group consisting of casters, glides and adjusters. 20. The assembly according to claim 14, wherein the washer is capable of flexing as the socket is inserted into the leg member. 21. The assembly according to claim 14, wherein an outer portion of the washer is angled away from the substantially planar inner portion of the washer at an angle of about 30 to about 60 degrees as measured from the substantially planar inner portion. 22. The socket according to claim 14, wherein the screw is a drive screw, said drive screw comprising a plurality of knurls, barbs or striations that are capable of boring into the opening in the upper end of the socket. 23. The socket according to claim 22, wherein the drive screw has an interference fit with the opening in the upper end of the socket. 24. The socket according to claim 22, wherein the drive screw has a holding power of at least about 75 pounds with the socket. 25. The socket according to claim 14, wherein the screw reduces radial stress and expansion in the thermoplastic material and has an interference fit with the inner surface of the upper end of the socket.
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이 특허에 인용된 특허 (24)
Harris Charles A. (Evansville IN), Apparatus and method for securing a caster to an object having a hole.
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