Bar code scanner construction

Details Bar code scanner construction Bar code scanner construction

1986-09-12

1988-12-27

Pellinen, A. D.

Registers

Coded record sensors

Particular sensor structure

235462, 350 68, 350631, G06K 714

Patent

active

047942401

ABSTRACT:
A housing construction for a POS type bar code scanner with multiple apparent source scan geometry includes only two main housing components. Each a casting to which one or a number of routing mirrors are bonded so as to precisely locate the plane of each mirror. The routing mirrors are bonded to the castings preferably on spherical ball type locaters integral with the castings, and their positions are non-adjustable. Other mirrors and collection optics are also retained on the lower and the upper casting. For precisely locating the two castings with respect to each other upon assembly, the castings have three-point contact, coupled with casting bores and removable fasteners with shoulders of precise diameter, so that the relative casting positions are accurately located as to both tilt and lateral shifting. The spherical ball locating devices for the mirrors are positioned, on each of the two castings, with reference to the precision-located connection bores and contact points on that housing.

REFERENCES:
patent: 3978317 (1976-08-01), Yamaguchi et al.
patent: 4006343 (1977-02-01), Izura et al.
patent: 4064390 (1977-12-01), Hildebrand et al.
patent: 4632500 (1986-12-01), Fetzer
patent: 4720824 (1988-01-01), Hayashi

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