Metal working – Method of mechanical manufacture – Assembling or joining
Patent
1987-03-23
1988-11-22
Eley, Timothy V.
Metal working
Method of mechanical manufacture
Assembling or joining
29241, B23P 1904
Patent
active
047855215
ABSTRACT:
A method is provided for automatically linking beads or the like, in each of which have a through hole. In this method, a thread having a predetermined length is fastened at one end thereof onto a straight elongated magnetic member and at the other end onto a stationary fixture. A magnetic block is positioned near the elongated magnetic member so that the elongated magnetic member is attracted by the magnetic block in an upward direction, therefore leaving a working space of a desired size between the magnetic block and the elongate magnetic member. The beads or the like ar fed by a feeder into the working space one by one while permitting their through holes to be brought into registry with the free end of the elongated magnetic member. At the time of the registry, the beads or the like will automatically sleeve on the elongated magnetic member and in turn slide downwardly along the thread due to the fact that the elongated magnetic member is attracted in the upward direction.
REFERENCES:
patent: 2327957 (1943-08-01), Brandt
patent: 2640631 (1953-06-01), Littvlo et al.
patent: 3907180 (1975-09-01), Birk et al.
patent: 4264254 (1981-04-01), Cheng
patent: 4280266 (1981-07-01), Tomita et al.
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