Metal working – Plural diverse manufacturing apparatus including means for... – Binding or covering and cutting
Patent
1991-01-14
1991-11-05
Briggs, William
Metal working
Plural diverse manufacturing apparatus including means for...
Binding or covering and cutting
29563, 1984651, 198741, B23Q 700, B65G 4700
Patent
active
050621882
ABSTRACT:
In an automated machine tool assembly where a plurality of work stations are interconnected by slide rails on which pallets can slide, the pallets having workpieces affixed to them, with at least one transfer bar for engaging a pallet and sliding the pallet longitudinally along the slide rails, a hydraulic lift and monitoring system includes a plurality of hydraulic cylinders in the transfer bar, a plunger in each cylinder, and a first source of pressurized fluid which urges each plunger upwardly against a pallet. The first source of pressurized fluid is adjustable so as to pre-set the pressure with which the plungers are urged upwardly. A second source of fluid under pressure is linked through the cylindrical chambers in series to a pressure-sensitive switch such that, if a plunger fails to rise to its uppermost position when not loaded with a pallet, the operator is given a signal from the switch that a malfunction exists.
REFERENCES:
patent: 4394897 (1983-07-01), Brems
patent: 4868960 (1989-09-01), Takagi et al.
patent: 4901412 (1990-02-01), Jones
Eldracher John
Jones Joel W.
Briggs William
Tri-Way Machine Ltd.
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