Method for aligning an element with respect to another and a sys

Details Method for aligning an element with respect to another and a sys Method for aligning an element with respect to another and a sys

1998-05-22

1999-08-03

Hughes, S. Thomas

Metal working

Method of mechanical manufacture

Assembling or joining

403348, 403350, 2425337, B25G 316, B23P 1100

Patent

active

059308850

ABSTRACT:
A method of precisely aligning and positioning a first portion of a first element with respect to a corresponding portion of a second element comprises the following steps: a) providing the first portion with a regular polygonal recess having N faces, a first circle with a given diameter being inscribed by said N faces of said polygonal recess; b) providing the corresponding portion of the second element with N freely rotating cylindrical rollers, said rollers being positioned in such a way as to be equally angularly spaced and inscribed in a second circle whose diameter is substantially equal to the diameter of the first circle; c) moving one of the elements with respect to the other in such a way as to introduce the N cylindrical rollers into said polygonal recess wherein each of the rollers substantially faces a corresponding vertex of the polygonal recess; and d) rotating one of said portions with respect to the other portion of said elements through an angle substantially equal to 180/N.degree. once the N cylindrical rollers are in the polygonal recess in order to precisely align the two elements with respect to each other.

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