Good UV resistance. Excellent wire pull strength. Temperature sensing cup: Stainless steel, not over-molded to improve temperature measurement. Achievable in aluminum on request. Wire terminations: Stripped on 6mm wire end terminals or other terminals on request. Product identification: Reference label on the wires and coded date on the thermostat cup.
Mounting: Two modes: flat bracket type A for measuring surface temperature, or extended cup bracket type B for through wall measurement. Technical over-molding of thermostats. Snap action disc thermostat, reduced height. Rod temperature control boxes. Set point adjustable rod thermostat, IP Rod temperature limiter boxes. Manual reset electronic rod limiter, IP Fixed setting manual reset rod limiter, IP Room and antifreeze temperature control boxes.
Fixed setting ambiance or antifreeze thermostat, IP65 cable gland output, two pilot lights. Bulb and capillary temperature limiters. A structurally simple low cost manual reset thermostat is disclosed. The thermostat includes a one piece body and two terminal assemblies. The rivet of one terminal assembly connects the switch arm and a reset retainer. The switch arm retains a snap disc in its assembled position. Four guide projections with two on each side of the spring arm laterally locate the snap disc.
A reset member is positioned by the guide projections and is arranged to engage the snap disc on opposite sides of the spring arm. Stops are provided to prevent overstressing of the disc by the reset member. Them, Edward G. Mansfield, OH. Click for automatic bibliography generation. Download PDF GBA What is claimed is 1.
A manual reset thermostat as set forth in claim 1 wherein said retainer member is secured to said first terminal and overlies said spring arm, said retainer member engaging said body on the side of said second terminal remote from said first terminal.
A manual reset thermostat as set forth in claim 2 wherein said reset member provides a cross portion position between said spring arm and said retainer member. A manual reset thermostat as set forth in claim 3 wherein said retainer member is formed with an opening substantially coaxial with said disc, and said reset member provides a locating projection extending through said opening. Letters Patent to Morris, No. In this thermostat the structure is arranged to require a minimum number of parts and to minimize the labor required for assembly.
The thermostat provides a single body member, two terminal assemblies, a spring switch arm secured to one terminal assembly, and engagable with the other, and a bimetallic snap disc for operating the switch arm. The structure is arranged so that the disc is retained in position within the body by the switch spring arm and so that only two rivets are required to assemble all of the elements of the thermostats.
Since a relatively small number of parts are required, and since assembly costs are low, the thermostat is low in cost even though it provides reliable and accurate operation. The manual reset feature is added to a thermostat of the type illustrated by Morris without substantially increasing the cost of the entire device. The illustrated thermostat incorporating this invention includes a single body member with two terminal assemblies riveted thereon. A spring arm is secured at one end to one terminal assembly and provides a free arm portion engagable with the other terminal assembly.
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