Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent
1980-07-30
1984-01-31
Karlsen, Ernest F.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
With rotor
209573, 324 73AT, G01R 3100, B07C 5344
Patent
active
044292759
ABSTRACT:
An automatic handling and testing machine for radial lead electronic devices such as transistors has a probe assembly that includes drive components powered by a rotating drive shaft that develop a cycled, closed loop movement of a platform and one or more contactor assemblies mounted on the platform. A base member supports a set of rotary cams detachably connected to the drive shaft, a four arm linkage that follows the cams, and the platform pivotally supported on the linkage. The contactor assemblies are adjustable with respect to the leads in all three directions and are structured for rapid and convenient attachment to the platform. The base member, cams, linkages, and platform form an integral, self-contained unit that is replaceably secured to the machine housing, preferably by a single screw. A linear shuttle carries the devices in horizontal steps through a series of test stations each associated with one of the contactor assemblies. The linear shuttle operates cyclically in coordination with the probe assembly. The shuttle also includes a set of clamps that close and open during the cycle of operation to grip and release the bodies of the devices. In the preferred form, the shuttle is mounted for reciprocal sliding movement in a horizontal direction. The shuttle includes a mechanical assembly that operates the clamps in coordination with the reciprocating motion.
REFERENCES:
patent: 3537580 (1970-11-01), Beroset et al.
patent: 4320339 (1982-03-01), Vancelette
Transistor Sorter, Type 830; Bulletin from Daymarc Corp., Waltham, Mass.; 2 pages.
Transistor Sorter, Type 1635; Bulletin from Daymarc Corp., Waltham, Mass.; 2 pages.
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