Sample changer for X-ray diffractometer

Details Sample changer for X-ray diffractometer Sample changer for X-ray diffractometer

1987-01-12

1988-09-13

Church, Craig E.

Material or article handling

Movable rack having superposed, charge-supporting elements,...

Rack moved vertically by elevating means

221 13, 250201, 378 75, 378 79, 378208, 414744A, 414225, 901 38, 901 39, B65G 0100, B66C 2300, G01N 2320

Patent

active

047705930

ABSTRACT:
A sample changer for powder X-ray diffractometry includes a cylindrical dispensing container for holding a stack of pre-test sample holders, a cylindrical receiving container for holding a stack of post-test sample holders and a changer arm which automatically picks up the topmost sample disk in the dispensing container and rotatably positions the sample disk on the sample holder stage of an X-ray diffractometer for analysis. After analysis, the changer arm removes the sample holder and releases it into the receving container. The sample holders have a circumferential groove which coacts with semi-circular rotatable cams positioned on the distal end of the changer arm to enable the changer arm to lift and place the sample holders.

REFERENCES:
patent: 3306471 (1967-02-01), Devol
patent: 3307036 (1967-02-01), Bouvelle
patent: 3353020 (1967-11-01), Bennett et al.
patent: 3527942 (1970-09-01), Roe et al.
patent: 3920151 (1975-11-01), Roe
patent: 4391387 (1983-07-01), Bayne et al.
patent: 4423998 (1984-01-01), Inaba et al.
patent: 4451197 (1984-03-01), Lange
patent: 4577338 (1986-03-01), Takahashi et al.
patent: 4582191 (1986-04-01), Weigand
patent: 4609326 (1986-09-01), Roesler
Advertising brochure from Nicolet Instrument Corporation entitled "The Nicolet I2 . . . Computerized Powder Diffraction for Today's Analytical Needs", 1984.

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