Probe and inverting apparatus

Details Probe and inverting apparatus Probe and inverting apparatus

1991-08-05

1993-04-13

Marmor, Charles A.

Handling: hand and hoist-line implements

Utilizing fluid pressure

Venturi effect

294 88, 29743, B66C 102, B25J 1506

Patent

active

052018750

ABSTRACT:
An invertor (10) is disclosed including first and second probes (12, 14) which are pivotably mounted to a U-shaped housing (20) and to a block (18) which is reciprocally mounted to the housing (20) by guide shafts (38). The block (18) is reciprocated by a rotary actuator (42) between a first position where the probes (12, 14) are in a parallel relation and a second position where the probes (12, 14) are in line. The suction pin (80) of the first probe (12) may be extended to attach to the first surface (96) of the chip (98) and then retracted. The probes (12, 14) may then be moved to their in line relation where the chip (98) may be passed from the first probe (12) to the second probe (14) but attaching the opposing surface (100) of the chip (98) to the suction pin (80) of the second probe (14). After moving the probes ( 12, 14) to their parallel relation, the suction pin (80) of the second probe (14) may be extended to place and release the chip (98). In the most preferred form, probes (12, 14) include a housing (72) divided into upper and lower chambers (74, 76) by an insert (78) which also reciprocally receives the suction pin (80). The suction pin (80) includes a piston (86) to define a pressure chamber (88) with the insert (78). Chambers (74, 88) may be subjected to fluid pressure, vacuum, or vented to attach the suction pin (80) to the chip (98) and/or to reciprocate the suction pin (80) within the housing (72).

REFERENCES:
patent: 2177967 (1939-10-01), Watkins
patent: 3467430 (1969-09-01), Lowe
patent: 3815480 (1974-06-01), Spyra
patent: 4080877 (1978-03-01), de Fries
patent: 4266905 (1981-05-01), Birk et al.
patent: 4657470 (1987-04-01), Clarke et al.
patent: 4843712 (1989-07-01), Hellstern
patent: 4957212 (1990-09-01), Duck et al.
patent: 4995662 (1991-02-01), Hawkswell
patent: 5050919 (1991-09-01), Yakou

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