DISENGAGEMENT RESISTANT TELESCOPING ASSEMBLY AND UNIDIRECTIONAL METHOD OF ASSEMBLY FOR SUCH
First Claim
Patent Images
1. A method of assembling a telescoping screw comprising:
- threading a leading end of an inner rod into a rear end of a mid rod;
also threading a leading end of said mid rod into a rear end of an outer rod so that said leading end of said inner rod is accessible from an leading end of said outer rod, andfastening a first end cap onto said leading end of said inner rod.
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Abstract
Extension rods of a telescoping assembly (TSA) may be assembled in a single direction. The rods may optionally be threaded together from a reverse extended configuration. The rods may optionally resist disattachement during extension. The inner rod may optionally included a leading fastener and/or the outer rod may optionally include a rear fastener. Each rod may optionally be molded as a single piece. End caps may optionally be added to the TSA after extension of the rods. An end cap may optionally include a rotation stopper. In some embodiments the TSA may include a supporting shoulder.
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Citations
28 Claims
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1. A method of assembling a telescoping screw comprising:
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threading a leading end of an inner rod into a rear end of a mid rod; also threading a leading end of said mid rod into a rear end of an outer rod so that said leading end of said inner rod is accessible from an leading end of said outer rod, and fastening a first end cap onto said leading end of said inner rod. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A telescoping assembly comprising:
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an outer rod including a rear fastener and a leading internal thread; a middle rod including an external thread fitting said internal thread of said outer rod, a rear protrusion wider than said internal thread of said outer rod and a leading internal thread; and an inner rod including, an external thread fitting said internal thread of said middle rod and a rear protrusion wider than said internal thread of said middle rod. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28)
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Specification