Bar code scanner

Details Bar code scanner Bar code scanner

1986-10-06

1988-05-31

Pitts, Harold I.

Registers

Coded record sensors

Particular sensor structure

G06K 710

Patent

active

047483199

ABSTRACT:
A bar code scanner has a light-emitting element, a light-receiving element, an optical means for applying a light beam from the light-emitting element to a bar code area and for leading the light reflected from the bar code area to the light-receiving element, an electrical processing circuit, a sensor body for accommodating the light-emitting element, the light-receiving element and the optical means, a pair of split casing members for retaining the sensor body, an intermediate cap for connecting together the pair of split casing members, and a distal end cap adapted to be detachably retained by the intermediate cap in such a manner that a light incident and emergent portion of the sensor body alone is exposed. The bar code scanner is provided with a projection formed on an extending portion provided at one end of each of the split casing members and adapted to contact the side portion of the sensor body with flexibility so that the sensor body is movable. A retaining portion is formed on the inner surface of the intermediate cap, and an engaging portion is formed on the outer surface of each of the split casing members and adapted to engage with the retaining portion, whereby the retaining portion and the engaging portion are fitted to each other in such a manner that the extending portion deflects about the projection.

REFERENCES:
patent: 4460120 (1984-07-01), Shephard

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