US164670A - Improvement in drop-grates for cooking-ranges - Google Patents

Improvement in drop-grates for cooking-ranges Download PDF

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US164670A
US164670A US164670DA US164670A US 164670 A US164670 A US 164670A US 164670D A US164670D A US 164670DA US 164670 A US164670 A US 164670A
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bar
grate
crank
cooking
grates
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23HGRATES; CLEANING OR RAKING GRATES
    • F23H13/00Grates not covered by any of groups F23H1/00-F23H11/00

Definitions

  • My invention consists of a ⁇ peculiarly-constructed crank, in combination with the grate,
  • Fig. 5 is a cross-section of the saine, at the linezz ot' Fig. 4.
  • crank-A bar represents the fire-place of a range, constructed in the usual manner, with the exception of certain parts of the plates B B and the bottom grate C, for connecting the crank-bar or frame D.
  • the crank-A bar has journals a a, which ⁇ have bearingsin the side plates B B, and segmental elbows b b inside of its journals, which are situated in the recesses c c of the side plates B B. Projecting from the segmental elbows b I1, and in the same plane and parallel with the bar D, are crank-pins d d, upon which the grate C rests at its front edge-the rear edge resting in the recesses c c in the upper edge of the side plates B B.
  • yokes ff on its bottom side, which forni slots or openings g gfor the connection of the crank-pins.
  • These yokes may be formed of wire or rods, and their upturned edges cast in the grate or riveted, or they may be formed in the casting itself.
  • One of the journals c may be of sufficient length to projectoutside of the side plate with which it is c0nnected,t0 receive a handle for oscillating the crank-bar; or, instead thereof, a wrench may be used to t the bar itself.
  • one of the plates may be inade in twopieces, the outer piece h, which has bearings, for the journals, being connected by means of pins or bolts, or in any other convenient manner.
  • the object of having the elbows b b of the crank-bar D in recesses of the side plates-B B is to have them out of the'way, and to prevent cinders or small pieces of slate or coal work-
  • crank-bar D has journal-bearings t" in its under edge, which iit the pins jj, that project from the side plates B B, and upon which the bar oscillates for letting down and elevating the grate C.
  • the object of this mode of the modilication of the bar is to facilitate the connection of the latter with the grate and fire-place.
  • a single yoke may be used for the connection of the crank-bar, if desired, the yoke being at one end, or some convenient place in the middle portion of the bar.
  • rlhe device may be simplified under certain conditions by having simply a crank-bar with elbows to sustain the grate, the pins being omitted.
  • crank-bar in connection with a fire-place of a cooking range by Way of illustration; yet it is designed for drop fire-grates for any other purpose.
  • crank-bar D (shown in Figs. 2, 3, 4, and 5,) having elbows or stops b b and pins d d, With the grate C, substantially as and for the purpose set forth.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)

Description

DropGrate fur Cooking-Ranges. No. l64,670. Parenwdlunezznsvs.
5MM N. f www' A THE GRAPHIC C0.PHOTOLITH.39 &41 PARK PLACE,N.Y.
UNITED STATES Fri-on.
"JOHN E. BAUM, OF FREELAND, PENNSYLVANIA.
Specificafion forming part of Letters Patent No. l, dated June F12, 1875; application filed April 3, 1ST 5.
To all whom itmag/ concern.-
Be it known that I, JOHN E. BAUM, of Freeland, in the county of Montgomery and State of Pennsylvania, have invented an Improvement in Drop-Grates for Cooking-Ranges, Sac., of which the following is a specitication:
My invention consists of a` peculiarly-constructed crank, in combination with the grate,
having yokes connected therewith, and with the recessed sides of a range, furnace, stove, or heater, &c., for dropping the-saine to remove the coal, ashes, slate, Sac., therefrom,
`and elevating said grate to its horizontal poends, which rest upon pins d d, which project.
from the side plate ofthe fire-place A. There are pins l d beneath the journals to prevent the b'ar being lifted oft' of them. Fig. 5 is a cross-section of the saine, at the linezz ot' Fig. 4.
Like letters of, reference in all the iguresindicate the same parts.
A, Figs. 1, 2, and 3, represents the lire-place of a range, constructed in the usual manner, with the exception of certain parts of the plates B B and the bottom grate C, for connecting the crank-bar or frame D. The crank-A bar has journals a a, which` have bearingsin the side plates B B, and segmental elbows b b inside of its journals, which are situated in the recesses c c of the side plates B B. Projecting from the segmental elbows b I1, and in the same plane and parallel with the bar D, are crank-pins d d, upon which the grate C rests at its front edge-the rear edge resting in the recesses c c in the upper edge of the side plates B B. When the grate C is in its horizontal position, as seen in` full lines, the front edges of the segmentalv elbows b b restagainst the front edges ot' the recesses c c, as shown in full lines in Fig. 3; but when the bar is turned backward for the descent of the grate, the rear edges of the elbows rest ing in between them and the side plates.
against the rear edges of the recesses, as shown by dotted lines. In order to give positive downward movement of the grate C, and prevent its being lifted oft when the grate is raked, it is provided with yokes ff on its bottom side, which forni slots or openings g gfor the connection of the crank-pins. These yokes may be formed of wire or rods, and their upturned edges cast in the grate or riveted, or they may be formed in the casting itself. One of the journals c may be of sufficient length to projectoutside of the side plate with which it is c0nnected,t0 receive a handle for oscillating the crank-bar; or, instead thereof, a wrench may be used to t the bar itself. For convenience in connecting the crank-bar D with the side plates B B, or removing it therefrom, one of the plates may be inade in twopieces, the outer piece h, which has bearings, for the journals, being connected by means of pins or bolts, or in any other convenient manner.
The object of having the elbows b b of the crank-bar D in recesses of the side plates-B B is to have them out of the'way, and to prevent cinders or small pieces of slate or coal work- The object of -having crank-pins d l projecting from the elbows I) b to receive the grate, as shown in the drawings, instead of a bar clear across beneath the grate, is to give free room for the use of a poker for cleaning theggrate.
In Figs. @and 5 the crank-bar D has journal-bearings t" in its under edge, which iit the pins jj, that project from the side plates B B, and upon which the bar oscillates for letting down and elevating the grate C. The object of this mode of the modilication of the bar is to facilitate the connection of the latter with the grate and fire-place.
Instead of having a yoke, f, at each end ci' the grate, a single yoke may be used for the connection of the crank-bar, if desired, the yoke being at one end, or some convenient place in the middle portion of the bar.
rlhe device may be simplified under certain conditions by having simply a crank-bar with elbows to sustain the grate, the pins being omitted.
I have merely represented the crank-bar in connection with a fire-place of a cooking range by Way of illustration; yet it is designed for drop fire-grates for any other purpose. v
I claim as my inventionl. The combination of the crank-bar D, (shown in Figs. 2, 3, 4, and 5,) having elbows or stops b b and pins d d, With the grate C, substantially as and for the purpose set forth.
2. The side plates B B, having recesses e e, in combination with the elbows b b of the crank-ber D, whereby the elbows are out of the Way, and the jamming of coal or Veinders between them and the side plates is avoided, substantially as set forth.
3. The yokes f, forming slots or openings g, in combination with the crank-bar D, substantially in the manner and for the purpose set forth.
J NO. E. BAUM. Witnesses:
THOMAS J. BEWLEY, STEPHEN UsTIoK.
US164670D Improvement in drop-grates for cooking-ranges Expired - Lifetime US164670A (en)

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