Volume and temperature indicators for insulated air pot
OwnerLo Chi-Junginventor
Life of this patent
Estimating the term…
Abstract
An insulated air pot for hot water and the like has a hinged circular cap on the top of which there are arcuate indicators showing the volume and temperature of the liquid in the pot. The volume indicator comprises an indicator hand coupled with the upper end of a twisted strip which slides in a slot in a float member so that it is rotated as the float member rises or falls. The temperature indicator comprises a thermometer of arcuate shape having a bulb in the upper end of a heat conducting conduit. A ball valve at the top of a discharge pipe closes the pipe except when liquid is being discharged and thereby conserves heat.
Claims8
An insulated portable air pot for dispensing liquid, comprising a pot body having an opening at the top, a detachable circular cap closing said opening of said pot and having and upper face, a liquid discharge pipe extending from said cap down into said pot body, and a discharge spout connected with the upper end of said discharge pipe, said cap having a compressible air chamber and a central push portion for compressing said air chamber to force air into said pot body and thereby force liquid up through said discharge pipe and out through said spout, arcuate volume indicating means in the upper face of said cap approximately concentric with said cap, arcuate temperature indicating means in the upper face of said cap approximately concentric with said cap and opposite said volume indicating means, means in said pot for measuring the volume of liquid in said pot and detachable connecting means for transmitting said volume measurement to said volume indicating means, and means for transmitting the temperature of liquid in said pot to said temperature indicating means.
Dependencies are inferred from the claim text.