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Automatic Parameter Measurement/Inspection Tool

IP.com Disclosure Number: IPCOM000047890D
Original Publication Date: 1983-Dec-01
Included in the Prior Art Database: 2005-Feb-08

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Related People

Brady, TE Lindenauer, JP Wurms, C [+details]


This tool will inspect hole diameters, hole roundness, tapped holes, and paint conductivity. As shown in Figs. 1 and 2, the cone 14 screws into an aluminum disc 13 that has two shafts 9, a reversible motor 12, and a multiturn potentiometer 11 mounted to it. The two shafts slide through linear bearings (not shown) that are fixed in an aluminum housing 8. There are springs about each shaft, as shown in Fig. 1b, which compress when the linear bearings with housings slide down over the shafts. There is a "pull" damper 2 with one end fixed to the top of the shafts (Fig. 1) and the other end of the damper fixed to the cover 3, which in turn is fixed to the housings of the linear bearings. This damper prevents a forceful collision between the base 4 and the aluminum disc 13 when the spring is released from compression.