Patent US3914770A successfully refreshed from Google Patents.
US3914770A
Expired / Lapsed
US
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Temperature control recorder
Assignee: United Electric Controls Co
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Filing: 1974-04-08
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Granted: 1975-10-21
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Expires: 1994-04-08
Abstract
Abstract A temperature control comprising one or more switches, having actuating pins, a rocker supported with one end adjacent the actuating pins, a fluid operable motor responsive to temperature changes supported in operating relation to the other end of the rocker for effecting movement of the one end of the rocker in a direction to engage the actuating pins, a support supporting the switches for movement relative to the rocker, a manually operable cam for effecting movement of the rocker support to set the switches for operation at a predetermined temperature, a fixed temperature scale, indicators supported on a common axis for movement along the scale, a linkage connecting one of said indicators to said switch support so that the setting selected by the manually operable cam is indicated on the scale, a linkage connecting the other indicator to the rocker so that the temperature at any given time is indicated on the scale, a chart bearing temperature and time scales, a motor connected to the chart for rotating it at a predetermined rate, a scriber supported in engagement with the chart and linkage connecting the scriber to said rocker for movement in consonance with said other indicator to record the temperature on the chart.
Inventors
- 👤 Robert D Reis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:35
CPC Classifications
G; G01; G01K; G01K5/00; G01K5/32; G01K5/46; G01K1/00; G01K1/02; G01K1/022
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
226 words
A temperature control for regulating and recording temperature comprising control means, a pivotally supported rocker supported with one end adjacent the control means, a temperature responsive motor supported adjacent the other end of the rocker operable by engagement with said other end to move the one end in a direction to actuate the control means, means supporting the control means for movement relative to said one end of the rocker to set the control means for operation at a predetermined temperature, manually operable means for effecting movement of the control means relative to said one end of the rocker, a fixed temperature scale, indicators pivotally supported on a common axis for movement along said fixed temperature scale, linkage connecting one of the indicators to said manually operable means so that the setting selected by said manually operable means is indicated on the scale, linkage connecting the other indicator to the rocker so that the temperature at any given time is indicated on said scale, a chart bearing temperature and time scales, a motor connected to the chart for rotating it at a predetermined rate, a scriber supported in engagement with the chart and linkage connecting the scriber to said one end of the rocker for movement in consonance with said other indicator as the latter moves along the scale to trace the temperature on the chart.
Claim 2
Dependent Claim
226 words
A temperature control for regulating and recording temperature comprising control means, a pivotally supported rocker supported with one end adjacent the control means, a temperature responsive motor supported adjacent the other end of the rocker operable by engagement with said other end to move the one end in a direction to actuate the control means, means supporting the control means for movement relative to said one end of the rocker to set the control means for operation at a predetermined temperature, manually operable means for effecting movement of the control means relative to said one end of the rocker, a fixed temperature scale, indicators pivotally supported on a common axis for movement along said fixed temperature scale, linkage connecting one of the indicators to said manually operable means so that the setting selected by said manually operable means is indicated on the scale, linkage connecting the other indicator to the rocker so that the temperature at any given time is indicated on said scale, a chart bearing temperature and time scales, a motor connected to the chart for rotating it at a predetermined rate, a scriber supported in engagement with the chart and linkage connecting the scriber to said one end of the rocker for movement in consonance with said other indicator as the latter moves along the scale to trace the temperature on the chart.
Claim 3
Dependent Claim
15 words
A control according to claim 1 comprising means for limiting tilting movement of the rocker.
Claim 4
Dependent Claim
20 words
A control according to claim 2 comprising means for adjusting the means for limiting the tilting movement of the rocker.
Claim 5
Dependent Claim
42 words
A control means according to claim 1 wherein the manually operable means comprises a cam with which the control support is held engaged, a shaft to which the cam is fixed and a knob fixed to the shaft for effecting rotation thereof.
Claim 6
Dependent Claim
18 words
A control according to claim 4 comprising a spring yieldably holding the control support engaged with said cam.
Claim 7
Dependent Claim
26 words
A control means according to claim 1 wherein the rocker and the support for the control means are pivotally supported for movement about a common axis.
Claim 8
Dependent Claim
36 words
A control means according to claim 1 wherein there is means yieldingly mounted on the one end of the rocker for engagement with the control means, said yieldably mounted means providing for over-travel of the rocker.
Claim 9
Dependent Claim
43 words
A control means according to claim 1 wherein the control means comprises a switch having an operating pin extending toward said one end of the rocker and a yieldably mounted post on one end of the rocker for engagment with the operating pin.
Claim 10
Dependent Claim
16 words
A control means according to claim 8 wherein the post is adjustably mounted on the rocker.
Claim 11
Dependent Claim
42 words
A control means according to claim 1 wherein the control means comprises two or more switches or valves having actuating pins extending toward the rocker and there are a corresponding number of posts on the rocker arranged to engage said actuating pin.
Claim 12
Dependent Claim
24 words
A control means according to claim 10 wherein the posts are independently adjustable on the rocker to engage the actuating pins simultaneously or successively.
Claim 13
Dependent Claim
145 words
A control means according to claim 1 characterized in that the linkage comprises four links two of which are connected respectively to the rocker and support for the control means and two of which are connected respectively to the indicators, a fixed shaft on which the pen arm is rotatably supported, a first crank on the fixed shaft connected to the link which is connected to the rocker, a second crank on the fixed shaft connected to the pen arm and to said other indicator, means connecting the first and second cranks to each other for movement in unison, a third crank on the fixed shaft connected to the link which is connected to the manually adjustable means, a fourth crank on the fixed shaft connected to the first indicator and means connecting the third and fourth cranks to each other for movement in unison.
Claim 14
Dependent Claim
38 words
A control means according to claim 1 wherein the scriber is reversably movable on the chart and is arranged to travel outwardly from the center of the chart toward the circumference, such outward travel describing a decreasing temperature.
Claim 15
Dependent Claim
15 words
A control means according to claim 1 wherein the scriber marks the chart by pressure.
Claim 16
Dependent Claim
28 words
A control means according to claim 1 wherein spring means is connected to the linkage for the scriber such as to bias the scriber to a zero position.
Claim 17
Dependent Claim
63 words
A control means according to claim 1 wherein the scriber is supported for movement in a plane parallel to the chart on a shaft spaced from and parallel to the axis of rotation of the chart, a stirrup supporting the scriber on the shaft for pivotal movement about an axis parallel to the shaft, and a spring biasing the scriber towards the chart.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-10-20 | 1979-04-21 | 1979-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-10-20 | 1983-04-21 | 1983-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-10-20 | 1987-04-21 | 1987-10-21 | $7700.00 | Window Closed / Lapsed |