Geometrical instruments – Distance measuring – Opposed contacts
Patent
1997-07-31
1999-11-16
Fulton, Christopher W.
Geometrical instruments
Distance measuring
Opposed contacts
33542, G01B 514
Patent
active
059835150
ABSTRACT:
An apparatus for use with a dissolution testing device comprising a vessel and a shaft with a stir element affixed to one end thereof for placement within the vessel. In one embodiment, the apparatus has a front portion having a first jaw portion and a back portion having a second jaw portion. The front portion is slidably coupled to the front portion, and the first and second jaw portions form a jaw interposable between the bottom of the stir element and the inside bottom of the vessel. The jaw has a jaw distance corresponding to the position of the front portion relative to the back portion. The apparatus also includes a shaft alignment portion for aligning the apparatus parallel to the shaft, and a measurement portion for providing a distance reading corresponding to the gauge jaw distance.
REFERENCES:
patent: 1262678 (1918-04-01), Lapoint
patent: 4279860 (1981-07-01), Smolen
patent: 4335438 (1982-06-01), Smolen
patent: 4897931 (1990-02-01), Goulette
patent: 5589649 (1996-12-01), Brinker et al.
"Pharmacopeia", USP XXII, U.S. Pharmacopeial Convention, Inc., 12601 Twinbrook Parkway, Rockville, MD 20852, pp. xlii and 1578-1579, Jan. 1, 1990.
Brinker Gerald
Hauck Thomas
Christenbury T. Daniel
Distek Inc.
Fulton Christopher W.
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