US1738297A - Gkred - Google Patents

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US1738297A
US1738297A US1738297DA US1738297A US 1738297 A US1738297 A US 1738297A US 1738297D A US1738297D A US 1738297DA US 1738297 A US1738297 A US 1738297A
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members
ring
bars
arms
opening
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24CDOMESTIC STOVES OR RANGES ; DETAILS OF DOMESTIC STOVES OR RANGES, OF GENERAL APPLICATION
    • F24C15/00Details
    • F24C15/10Tops, e.g. hot plates; Rings
    • F24C15/107Pan supports or grates therefor
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49481Wheel making
    • Y10T29/49492Land wheel
    • Y10T29/49513Compression, e.g., nontension, spoke type wheel making
    • Y10T29/49519Joining spokes to hub

Definitions

  • This invention relates to grids or grates for use in connection with stove tops, and the like, and has for one of its objects the provision of a simple form of construction that will have the requisite strength and durability, to provide a maximum amount of open space for the passage of the hot gases from the burner of the stove and will also be adapted for production at a very low cost.
  • Fig. 1 is a perspective view of a stove top having two forms of my invention applied thereto;
  • Fig. 2 is a plan view of one of the forms of the invention shown in Fig. 1;
  • Fig. 3 is a plan view of the other form of the invention shown in Fig. 1;
  • Fig. 4 is a perspective view of the outer end of one of the supporting arms.
  • 10 indicates a stove top such as is commonly used in connection with oil and gas stoves and 11 a circular burner opening therein.
  • Burner openings such as the opening 11, are usually formed with a downwardly extending reinforcing fiange 12.
  • the form of my invention shown in connection with the opening 11, and in Fig. 3, consists of a plurality of U- shaped members 13, symmetrically arranged about a center, with their base portions in contacting relation as indicated at the points 14.
  • the members 13, when assembled. as shown in Fig. 3, are permanently secured together, at the points 1A, by welding or riveting or 111 any other suitable manner so as to form a unitary structure.
  • Each of the outwardly projecting arms of the members 13 is notched, as shown at 15, in Fig. 1, so that the horizontal edges of these notches may rest on the top 10 and the vertical edges of the notches fit against the flange 12 and thus locate the grid in the opening 11.
  • I provide a central ring 16 about which the U-shaped members 17 are symmetrically arranged, these members, contacting with the ring 16 at the point 18 and being there secured welding, riveting'or otherwise.
  • the form shown in Fig. 2 is shaped to fit the rectangular opening 19 in the stove top 10, the 'U-shapedmembers 17 having legs of different length to accommodate the grid to this 55 form of opening, it being understood that by having these legs of the same length, as
  • the structure would be adapted for a circular opening, such as the openin'g11.
  • the members 13 and 17, as well as the ring 16, are preferably made from bars of wrought 'metal, of rectangular cross-section, commonly called strap-iron, as this form of material -may be readily bent,'to form the U-shaped; 55 members and by bending the bars, as shown in the drawings, a structure of maximum strength and affording the maximum amount of open space is provided.
  • a grate formed of four uniform U- shaped members symmetrically arranged about a central opening with their base portions connected together, each of said mem- ,75
  • bers being formed from a bar of substantially rectangular cross-section.
  • a grate formed of four uniform U- shaped members symmetrically arranged about a central point, and having legs of unn50 equal length, a ring arranged between the inner ends of said members, and the bases of said members being secured to said ring.
  • a grate formed of four uniform U- shaped members symmetrically arranged s5 about a central point and having legs of unequal length, a ring arranged between the inner ends of said members, and the bases of said members being secured to said ring, and said ringand said members being formed ⁇ .90 from a bar of substantially rectangular cross-section.
  • a grate bar for oil and gas stoves and the like comp'risin a plurality of metal bars each having a curved portion intermediate of its ends thereby providing arms extending from the said curved portion and each bar being so bent so as to stand on edge, and a ring to the outer side of which the curved portion of each of said bars is directly con- 5100 neeted in such a position that the arms thereof extend in substantially radial directions.
  • a grate for oil and gas stoves and the like comprising a plurality of metal bars each having a curved port-ion intermediate of its ends thereby providing arms extending from the said curved portion With each bar bent so as to stand on edge, and a ring to the outer side of which the curved portion of each of the said bars is directly connected in such a position that the arms of the said bars extend in substantially radial directions, the arms of the said bars on the same side thereof being notched at their extremities to be adapted to fit within a support flange provided therefor in the top of an oil or gas stove.
  • a grate for oil and gas stoves and the like comprising a plurality of metal bars of rectangular cross section each bent intermediate of its ends to provide a curved portion therein and to cause the bar to stand on edge with the arms thereof extending radially from the curved portion, a ring made of a. metal bar of rectangular cross section formed to stand on edge, the curved portions of the said bars being permanently connected to the outer side of the said ring in such positions that the arms of the said bars extend in substantially radial directions therefrom.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Baking, Grill, Roasting (AREA)

Description

Dec. 3, 1929. R HOFFMAN. 1,738,297
GRID
Filed Oct. 26, 1925 l, Inventor,
Wan
Patented Dec. 3, 1929 UNITED STATES RUDOLPH HOFFMAN, on CLEVELAND, onro Application filed October 26,1925. seria'i no. 64,743.
This invention relates to grids or grates for use in connection with stove tops, and the like, and has for one of its objects the provision of a simple form of construction that will have the requisite strength and durability, to provide a maximum amount of open space for the passage of the hot gases from the burner of the stove and will also be adapted for production at a very low cost.
Other objects of the invention and the features of novelty will be apparent from the following description taken in connection with the accompanying drawings, of which:
Fig. 1 is a perspective view of a stove top having two forms of my invention applied thereto;
Fig. 2 is a plan view of one of the forms of the invention shown in Fig. 1;
Fig. 3 is a plan view of the other form of the invention shown in Fig. 1; and
Fig. 4 is a perspective view of the outer end of one of the supporting arms.
Referring to the drawings, 10 indicates a stove top such as is commonly used in connection with oil and gas stoves and 11 a circular burner opening therein. Burner openings, such as the opening 11, are usually formed with a downwardly extending reinforcing fiange 12. The form of my invention shown in connection with the opening 11, and in Fig. 3, consists of a plurality of U- shaped members 13, symmetrically arranged about a center, with their base portions in contacting relation as indicated at the points 14. The members 13, when assembled. as shown in Fig. 3, are permanently secured together, at the points 1A, by welding or riveting or 111 any other suitable manner so as to form a unitary structure. Each of the outwardly projecting arms of the members 13 is notched, as shown at 15, in Fig. 1, so that the horizontal edges of these notches may rest on the top 10 and the vertical edges of the notches fit against the flange 12 and thus locate the grid in the opening 11.
In the form of the invention illustrated in Fig. 2, I provide a central ring 16 about which the U-shaped members 17 are symmetrically arranged, these members, contacting with the ring 16 at the point 18 and being there secured welding, riveting'or otherwise. The form shown in Fig. 2 is shaped to fit the rectangular opening 19 in the stove top 10, the 'U-shapedmembers 17 having legs of different length to accommodate the grid to this 55 form of opening, it being understood that by having these legs of the same length, as
shown inFig. 3, the structure would be adapted for a circular opening, such as the openin'g11. e6 The members 13 and 17, as well as the ring 16, are preferably made from bars of wrought 'metal, of rectangular cross-section, commonly called strap-iron, as this form of material -may be readily bent,'to form the U-shaped; 55 members and by bending the bars, as shown in the drawings, a structure of maximum strength and affording the maximum amount of open space is provided.
Having thus described my invention, what .2170 I claim is:
1. A grate formed of four uniform U- shaped members symmetrically arranged about a central opening with their base portions connected together, each of said mem- ,75
' bers being formed from a bar of substantially rectangular cross-section.
2. A grate formed of four uniform U- shaped members symmetrically arranged about a central point, and having legs of unn50 equal length, a ring arranged between the inner ends of said members, and the bases of said members being secured to said ring.
3. A grate formed of four uniform U- shaped members symmetrically arranged s5 about a central point and having legs of unequal length, a ring arranged between the inner ends of said members, and the bases of said members being secured to said ring, and said ringand said members being formed {.90 from a bar of substantially rectangular cross-section. I
4:. A grate bar for oil and gas stoves and the like, comp'risin a plurality of metal bars each having a curved portion intermediate of its ends thereby providing arms extending from the said curved portion and each bar being so bent so as to stand on edge, and a ring to the outer side of which the curved portion of each of said bars is directly con- 5100 neeted in such a position that the arms thereof extend in substantially radial directions.
5. A grate for oil and gas stoves and the like, comprising a plurality of metal bars each having a curved port-ion intermediate of its ends thereby providing arms extending from the said curved portion With each bar bent so as to stand on edge, and a ring to the outer side of which the curved portion of each of the said bars is directly connected in such a position that the arms of the said bars extend in substantially radial directions, the arms of the said bars on the same side thereof being notched at their extremities to be adapted to fit within a support flange provided therefor in the top of an oil or gas stove.
6. A grate for oil and gas stoves and the like, comprising a plurality of metal bars of rectangular cross section each bent intermediate of its ends to provide a curved portion therein and to cause the bar to stand on edge with the arms thereof extending radially from the curved portion, a ring made of a. metal bar of rectangular cross section formed to stand on edge, the curved portions of the said bars being permanently connected to the outer side of the said ring in such positions that the arms of the said bars extend in substantially radial directions therefrom.
In testimony whereof, I hereunto aflix my signature.
RUDOLPH HOFFMAN.
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2440035A (en) * 1945-07-31 1948-04-20 Welbilt Stove Company Inc Grate for kitchen ranges
US2444862A (en) * 1944-11-23 1948-07-06 Lindemann A J & Hoverson Co Grid for fluid fuel stoves
US2716405A (en) * 1952-01-19 1955-08-30 Preway Inc Fuel burning space heater
US3687127A (en) * 1970-09-25 1972-08-29 Donald P Mossman Sr Cook stove grid
DE10127005A1 (en) * 2001-06-01 2002-12-12 Bsh Bosch Siemens Hausgeraete Gas cooker hob has saucepan carriers which will deviate from holding positions if placed in each other's positions

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2444862A (en) * 1944-11-23 1948-07-06 Lindemann A J & Hoverson Co Grid for fluid fuel stoves
US2440035A (en) * 1945-07-31 1948-04-20 Welbilt Stove Company Inc Grate for kitchen ranges
US2716405A (en) * 1952-01-19 1955-08-30 Preway Inc Fuel burning space heater
US3687127A (en) * 1970-09-25 1972-08-29 Donald P Mossman Sr Cook stove grid
DE10127005A1 (en) * 2001-06-01 2002-12-12 Bsh Bosch Siemens Hausgeraete Gas cooker hob has saucepan carriers which will deviate from holding positions if placed in each other's positions
DE10127005B4 (en) * 2001-06-01 2004-04-22 BSH Bosch und Siemens Hausgeräte GmbH Gas hob

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