Machine for automatically preparing and introducing closure slid

Details Machine for automatically preparing and introducing closure slid Machine for automatically preparing and introducing closure slid

1979-03-06

1981-03-31

Bilinsky, Z. R.

Metal working

Plural diverse manufacturing apparatus including means for...

Binding or covering and cutting

29 33K, 29 36, 291606, 295642, B23P 2300

Patent

active

042584590

ABSTRACT:
A machine for preparing and introducing closure sliders inside annular hollow members for producing spring safety catches for necklaces and the like, consisting of two operative unitsets, each comprising a table rotatably mounted about a vertical axis and actuated by means for rotating the table intermittently through angles of 90.degree. and carrying four radially reciprocating pliers units spaced apart from each other of 90.degree. and associated with four units positioned around the respective revolving table at each of the stop positions thereof, the first unit set comprising: a unit for ordinately supplying the sliders; a unit for cutting each slider in the desired size; a unit for bevelling one end of each slider; and a unit for partially introducing the bevelled end of the slider inside the cavity of a respective annular member provided with a longitudinal slot fed by the second unit set which comprises a unit for ordinately supplying said annular hollow members; a unit for supporting the annular member so as to be able to receive the partial introduction of the slider, a unit for performing a further partial insertion of the slider inside the annular member; and a unit for completing the insertion of the slider into the annular member, means being also provided for moving and stopping the devices of the machine, according to a predetermined time sequence.

REFERENCES:
patent: 1856952 (1932-05-01), Foerster
patent: 4077099 (1978-03-01), Cantini

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