Measuring and testing – Instrument casing
Patent
1984-12-21
1986-10-14
Myracle, Jerry W.
Measuring and testing
Instrument casing
G01D 1124
Patent
active
046165070
ABSTRACT:
An improved device for assembling/disassembling a reader head on or from its guided scale while this remains secured to a machine tool bed plate which, being comprised of a guided scale and a reader head, where the guided scale is made up from a main body and two side blocks with elements both for fastening the side blocks to the main body as well as for fastening the assembly to the machine tool bed plate, is characterized by the fact that each of the side blocks is provided with a generously sized hollow open at its sides and at the front towards which the reader head faces, and with a guide around the perimeter of the hollow, and also by the fact that a side cover with means for attachment to the corresponding block is inserted into said guide around the perimeter, all in such a way that in order to assemble/disassemble the reader head it is but necessary to remove one of the side covers without disturbing the alignment of the scale.
REFERENCES:
patent: 3833303 (1974-09-01), Burns et al.
patent: 4063086 (1977-12-01), Hirose
Aurki, S. Coop. Ltda.
Myracle Jerry W.
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