Perpendicularity measuring device

Details Perpendicularity measuring device Perpendicularity measuring device

2011-08-02

2011-08-02

Bennett, G. Bradley (Department: 2841)

Geometrical instruments

Gauge

Angle

C033S533000

Reexamination Certificate

active

07987609

ABSTRACT:
A measuring device includes a transfer sleeve, an assist assembly, and a caliper gauge. The transfer sleeve includes two end surfaces and a side surface; the sleeve defines a transfer hole along the longitudinal direction thereof and perpendicular to the end surfaces, and the transfer hole passes through two end surfaces; the transfer sleeve defines a screw hole along the transversal direction thereof in the side surface and communicates with the transfer hole. The assist assembly is screwed in the screw hole, and includes a screw rod, a spring element, and a ball; the screw rod defines a receiving hole therein; the spring element and the ball are inserted into the receiving hole in sequence. The caliper gauge includes a base plate and two side plate extending upright from opposite edges of the base plate correspondingly.

REFERENCES:
patent: 5131161 (1992-07-01), Drag
patent: 5253425 (1993-10-01), Wozniak
patent: 6163972 (2000-12-01), Hsu
patent: 6195905 (2001-03-01), Cole
patent: 6631565 (2003-10-01), Wu et al.
patent: 2009/0106995 (2009-04-01), Zhang et al.
patent: 2010/0093246 (2010-04-01), Honda et al.

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