Conveyors: power-driven – With means to facilitate working – treating – or inspecting... – Means engaging conveyor or load on a conveyor to align load...
Patent
1987-12-03
1990-02-06
Spar, Robert J.
Conveyors: power-driven
With means to facilitate working, treating, or inspecting...
Means engaging conveyor or load on a conveyor to align load...
29759, 198836, 198624, B65G 2120
Patent
active
048982687
ABSTRACT:
A printed circuit board positioning apparatus includes a table with a support member, a pair of circuit board guiding/transporting units, a first positioning unit, and a second positioning unit. The pair of circuit board guiding/transporting units is provided on the table to be moved toward or away from the table, sandwiches both end faces of the printed circuit board in a direction perpendicular to a flowing direction of the printed circuit board therebetween, and guides/transports the printed circuit board in its flowing direction. The first positioning unit positions the printed circuit board in the direction perpendicular to the flowing direction using the pair of circuit board guiding/transporting units. The second positioning unit elastically urges both end faces of the printed circuit board in its flowing direction, in association with approaching motion of the circuit board guiding/transporting units toward the table, and before the printed circuit board is supported by the support member on the table. An urging mechanism is additionally provided to one of the circuit board guiding/transporting units which constitutes the first positioning unit and which is movable in the direction perpendicular to the flowing direction of the printed circuit board. The urging mechanism is able to change an urging position when the circuit board is urged in a direction perpendicular to a flowing direction of the printed circuit board.
REFERENCES:
patent: 4493412 (1985-01-01), Krehnovi
patent: 4542820 (1985-09-01), Maxner
patent: 4561819 (1985-12-01), Wiernicki
patent: 4660280 (1987-04-01), Asai et al.
Hineno Kazuhiro
Kamioka Yosio
Kanazawa Tuneo
Dayoan D. Glenn
Sanyo Electric Co,. Ltd.
Spar Robert J.
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