Thermal measuring and testing – Temperature measurement – Mechanical
Patent
1997-06-06
1998-08-18
Gutierrez, Diego F.F.
Thermal measuring and testing
Temperature measurement
Mechanical
374205, G01K 562, G01K 568
Patent
active
057950709
ABSTRACT:
A thermometer includes a housing with a C-shaped window therein and a temperature scale adjacent to the window. A member within the housing has a colored or shaded region with a boundary visible through the window. The colored region is sufficiently large so that it fills the window from the lower side of the temperature scale up to the boundary. The boundary is moved relative to the temperature scale by a bimetal coil spring. The boundary and the colored region indicate the temperature being read by the thermometer. In one version of the invention, the window extends in an arc of about 180.degree., the member is a substantially planar disk, and the colored region is a semi-circular portion of the disk. The disk is mounted within the housing on a shaft, and the disk rotates relative to the shaft. The thermometer is easily readable under a variety of viewing conditions, especially adverse viewing conditions.
REFERENCES:
patent: D236815 (1975-09-01), Van Kersen
patent: D242329 (1976-11-01), Van Kersen
patent: D246032 (1977-10-01), McLeod
patent: 376103 (1888-01-01), Mitchell
patent: 2471704 (1949-05-01), Rose et al.
patent: 2597939 (1952-05-01), Lamb
patent: 2793605 (1957-05-01), Helgeby
patent: 3161057 (1964-12-01), Du Bois
patent: 4104916 (1978-08-01), Hofer
patent: 4211114 (1980-07-01), Hood
patent: 4538926 (1985-09-01), Chretien
"Catalog No. 193," Chaney Instruments Co., Jun. 1995.
"1995 Catalog," Brookstone, Inc., pp. 19 & 22, Jun. 1995.
"Rain Gauge," B & L Industries, Jun. 1995.
LandOfFree
Thermometer does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Thermometer, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Thermometer will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1109221