Gauge for checking linear dimensions of mechanical pieces

Details Gauge for checking linear dimensions of mechanical pieces Gauge for checking linear dimensions of mechanical pieces

1990-03-23

1991-02-19

Haroian, Harry N.

Geometrical instruments

Gauge

Internal

33558, 335551, G01B 700

Patent

active

049931636

ABSTRACT:
Gauge for checking linear dimensions of mechanical pieces comprising a support, two arms movable with respect to the support, two feelers respectively fixed to the arms for contacting the piece to be checked and a position transducer having two mutually movable elements respectively fixed to the movable arms. At least one of the two elements of the transducer is fixed to the relevant movable arm by screw, nut-screw coupling and between the screw and the nut-screw there is arranged a thread insert, having at least one polygonal coil, which permits adjustment of the mutual position of the elements of the transducer, while assuring a stable adjustment.

REFERENCES:
patent: 2239981 (1941-04-01), Terry et al.
patent: 2419461 (1947-04-01), Neff
patent: 3922792 (1975-12-01), Ito
patent: 4030202 (1977-06-01), Fadl et al.
patent: 4339879 (1982-07-01), Selleri
patent: 4364177 (1982-12-01), Possati et al.
patent: 4386467 (1983-06-01), Possati et al.
patent: 4787149 (1988-11-01), Possati et al.
Soled, Fasteners Handbook, "Heli-Coil.RTM.Screw-Lock Insert", 1950, p. 50.

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