Tool changing – Including machine tool or component – Rotary spindle machine tool
Patent
1992-05-05
1993-04-13
Briggs, William
Tool changing
Including machine tool or component
Rotary spindle machine tool
29743, 294 641, 483902, B23Q 3155, B23P 1904, B66C 102
Patent
active
052016960
ABSTRACT:
An adapter is attached to the end of a vacuum spindle in order to facilitate automated fastening and unfastening therewith of various vacuum nozzles. During fastening of a nozzle, vacuum is utilized to pull and hold the adapter and nozzle together with a force which is much greater than the mechanical detenting which is conventional in this art. The various nozzles may have component engaging tips of different sizes and configuration such that each nozzle is selectable as appropriate to the size and contour of the component to be held by vacuum drawn through the spindle. A novel reservoir housing a multiplicity of replaceable vacuum nozzles is also disclosed whereby the nozzles may be exchanged without any external separation or attachment force supplied by the downward or upward movement of the spindle.
REFERENCES:
patent: 3467430 (1969-09-01), Lowe
patent: 4611397 (1986-09-01), Janisiewicz
patent: 4763941 (1988-08-01), Sniderman
patent: 4799854 (1989-01-01), Niskala
patent: 4831721 (1989-05-01), Hirai
patent: 5033783 (1991-07-01), Izumi et al.
patent: 5105528 (1992-04-01), Soth et al.
patent: 5113578 (1992-05-01), Jackson
IBM Technical Disclosure Bulletin, vol. 28, No. 6, Nov. 1985, "Tool for Simultaneous Lifting of Semiconductor Circuit Chips".
Kinback Jack A.
Overby Paul M.
Briggs William
Universal Instruments Corp.
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