US336088A - James s - Google Patents
James s Download PDFInfo
- Publication number
- US336088A US336088A US336088DA US336088A US 336088 A US336088 A US 336088A US 336088D A US336088D A US 336088DA US 336088 A US336088 A US 336088A
- Authority
- US
- United States
- Prior art keywords
- lever
- heat
- james
- door
- plates
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000002184 metal Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 229920001875 Ebonite Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004636 vulcanized rubber Substances 0.000 description 2
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/76—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by means responsive to temperature, e.g. bimetal springs
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Devices For Use In Laboratory Experiments (AREA)
Description
UNITED STATES PATENT OFFICE.
JAMES S. BURNHAM, OF JERSEY CITY, NEW JERSEY.
HEAT-REGULATING DEVICE.
SPECIFICATION forming part of Letters Patent No. 336,088, dated February 16, 1886.
Application filed September 12, 1885. Serial No. 176,900. (No model.)
1'0 all whom it may concern/.-
Be it known that 1, JAMES S. BURNHAM, a citizen of the United States, residing at No. 124 Danforth avenue, Jersey City, in the'county of Hudson and State of New Jersey, have invented a new and useful Heat-Regulating Machine, of which the following is a specification.
My invention relates to improvements in devices for maintaining a uniform degree of temperature in incubators, closets, or rooms in which a constant unvaried temperature is desired; and the objects of my improvements are to furnish a simple, durable, and inexpensive device to open a door at any given degree of heat. I attain these objects by the mechanism illustrated in the drawings accompanying this specification.
Figure 1 is a side view of the device without thelever. Fig. 2 is a top view of the same with the lever attached and extending under the door.
Similarletters of referenceindicatelikeparts in both the figures.
As is well known, heat-regulating devices have been in existence for some time, but much difficulty has been experienced in getting an apparatus that would act promptly at the required time with but slight variation in temperature and at the same time be inexpensive and simple. Devices of this kind heretofore used have been complicated, and consequently expensive. To obviate these difficulties, Iconstruct my heat-regulator of vulcanized rubber or metal expansion-plates B B, which are held together at the ends by clamps A A. Said clamps are held against the ends of the expansion-plates by alight bolt, K, and nut E. The screw H passes through the lower expansion-plate and holds it firmly to the base or bed plate G. The fulcrum F is fastened to the center of the upper expansionplate, B, and on this fulcrum the lever Crests,
held in its place by being pinned to stud or standard D. said stud being fastened to the base-plate G. The short end of the lever is weighted for the purpose of nearly balancing the long end. The expansion-plates are per forated with holes for the purpose of making them more sensitive to changes of tempera ture.
Having thus described my invention, I will now proceed to show its mode of operation: Ihe device is placed in the incubator or room with the lever adjusted so as to press against and open the door at any desired degree of heat, As the heat increases the expansionplates, being prevented from extending endwise by the clamps and bolt above mentioned, rise in the middle and press the lever against the door, opening it and allowing the heated air to escape. As the t-eniperture falls the plates contract, allowing the lever to drop from the door, which, being hung on pivots near its middle, closes, thus maintaining a uniform temperature. I
I am aware that prior to my invention heatregulators have been made and sidewise motion produced by fastening hard rubber and steel or other metal together, one of which eX- pands more than the other, thereby producing sidewise motion. I therefore do not claim such a combination; but
What I do claim as my invention, and desire to secure by Letters Patent, is
The combination ofthe expansion-plates B B with clamps A A, rod or bolt K, nut E, standard D, bed-plate G, screw H, fulcrum F, lever 0, and door L,when arranged and operating substantially as shown and described.
JAMES S. BURNHAM.
\Vitnesses:
J N0. N. BRUNs, O. H. BURNS.
Publications (1)
Publication Number | Publication Date |
---|---|
US336088A true US336088A (en) | 1886-02-16 |
Family
ID=2405178
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US336088D Expired - Lifetime US336088A (en) | James s |
Country Status (1)
Country | Link |
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US (1) | US336088A (en) |
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0
- US US336088D patent/US336088A/en not_active Expired - Lifetime
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