Transport device for boards, especially those having a sensitive

Details Transport device for boards, especially those having a sensitive Transport device for boards, especially those having a sensitive

1990-10-01

1992-05-19

Schor, Kenneth M.

Coating apparatus

With heat exchange, drying, or non-coating gas or vapor...

118324, 118500, 118DIG4, 19880314, B05C 102

Patent

active

051137852

ABSTRACT:
A transport device (1) for boards (2) or board-shaped workpieces, especially those having a sensitive surface, preferably for circuit boards which are coated with plastics material, for example UV-hardenable plastics material, with lacquer or the like and then dried, is constructed as a circulating coating system. The device (1) has holders (3) for taking hold of the boards (2) at the edges (2a) thereof when they are being handled, and advancing means, advantageously in the form of chains, for transporting those holders (3). The holder (3) has two parallel bars (10) on each of which there are provided two rows (11, 12) of prongs (13) arranged in the form of a rake, the prongs (13) of the one row (11) of a bar (10) forming an acute angle with those of the second row (12) of that bar (10) and the two rows (11, 12) accordingly being arranged with respect to each other in a "V" shape when viewed in cross-section. The free ends of the prongs (13) of the one bar (10) point towards the free ends of the prongs (13) of the other bar (10). The two bars (10) extend from a common carrier (14) which holds and connects them, on which carrier there is provided at the end from which the bars (10) extend an end-face stop (15) for the boards (2) which has two limbs (15a, 15b) extending at an obtuse angle to each other towards the bars (10), so that a rectangular board being supported abuts only by the corners that are towards that stop (15) (FIG. 1).

REFERENCES:
patent: 4757892 (1988-07-01), Wenger
patent: 4926789 (1990-05-01), Wenger et al.

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