US186011A - Improvement in nigger-engines - Google Patents

Improvement in nigger-engines Download PDF

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Publication number
US186011A
US186011A US186011DA US186011A US 186011 A US186011 A US 186011A US 186011D A US186011D A US 186011DA US 186011 A US186011 A US 186011A
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Prior art keywords
nigger
engines
spools
adjusted
gear
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/26—Rope, cable, or chain winding mechanisms; Capstans having several drums or barrels
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19023—Plural power paths to and/or from gearing
    • Y10T74/19074—Single drive plural driven
    • Y10T74/19079—Parallel
    • Y10T74/19084—Spur

Definitions

  • Figure 1 is a plan View.
  • Fig. 2 is a side elevation of the cylinder and connecting mechanism, and part of the frame broken away to show one of the brakes and the ends ofthe spools.
  • Fig. 3 is a side elevation, showing the gearing, eccentric boxes, and levers, for throwing the spools in and out of gear.
  • Fig. 4 is a longitudinal section of one of the eccentric boxes, taken on line as of Fig. 3.
  • My invention relates to that class of engines known as nigger-eingines, used for controlling and. guiding rafts and tow-boats, constructed and operated as hereinafter more fully described.
  • A is a steam-cylinder, attached to the frame M.
  • B is the crank attached to the main driveshaft 0, which is adjusted in bearings sup ported by standards B 0, attached to the frame.
  • D is a link connected with the camrods G, and adjusted to slide on an arm on the crank a, on a short shaft provided with the crank b, to which is attached the rod 12 of the steamchest E.
  • F is a lever, pivoted to the frame, and provided with a slot near the inner end to receive a pin on the side of the link, to adjust the cutoff and change the steam, so as to give either backward or forward motion to the machine.
  • J J are brakelevers, pivoted to the frame and to one end of the brake rods b which are adjusted in grooves around the edges of the plates attached to the ends of the spools L, having their bearings on the frame M.
  • each of the brake-rods is fast- I ened to the frame, so that by pressing the up- N N are levers attached to the eccentric 'boxes P, which are adjusted to be oscillated in external boxes P, to place the spools in and. out of gear, as shown in Figs. 3 and 4.
  • Q is an intermediate gear-wheel, adjusted on a shaft, 0, having its hearings on the frame.
  • R is a pinion on the shaft 0, adjusted to gear with the cog-wheels R R on the ends of the spools.
  • S is a pinion on the main shaft 0, gearing with the intermediate wheel Q.
  • T is a fly-wheel, provided with a crank-handle, d.
  • the spools are both adjusted to turn the same way, and one takes up the rope as the other turns it off.
  • the spool carrying the rope to be held tight is thrown out of gear by its lever N, and is held from turning by its brake-lever J, and the machine being put in motion, the slack rope is taken up by the other spool.
  • This engine is located aft the boiler, that being the best position for controlling rafts, boats, and tows.
  • a nigger engine provided with two spools, L, adjusted to be turned in the same direction, and to be placed in and out of gear with their driving-pinion by mechanism, substantially as and for the purposes described.

Description

c. LAMB.
.NIGGER ENGINE.
No.186,011. Patented Jan.9,1877.
Inventor Witnesses:
' fl orne N-PETERS, PHOTO-LITHOGRAPHER. WASHINGTON. D C.
UNITED STATES PATENT OFFICE.
OHANOY LAMB, OF CLINTON, IOWA.
IMPROVEMENT IN NlGGER-ENGINES.
Specification forming part of Letters Patent No. 186,011, dated January 9, 1877 application filed July 19. 1876.
To all whom it may concern:
Be it known that I, (.lH'ANOY LAMB, of Olinton city, in the county of Clinton and State of Iowa, have invented certain new and useful Improvements in Nigger-Engines, and I do hereby declare that the following is a full, clear, and exact description thereof, which will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, and to letters of reference marked thereon, which form a part of this specification.
Figure 1 is a plan View. Fig. 2 is a side elevation of the cylinder and connecting mechanism, and part of the frame broken away to show one of the brakes and the ends ofthe spools. Fig. 3 is a side elevation, showing the gearing, eccentric boxes, and levers, for throwing the spools in and out of gear. Fig. 4 is a longitudinal section of one of the eccentric boxes, taken on line as of Fig. 3.
My invention relates to that class of engines known as nigger-eingines, used for controlling and. guiding rafts and tow-boats, constructed and operated as hereinafter more fully described.
A is a steam-cylinder, attached to the frame M. B is the crank attached to the main driveshaft 0, which is adjusted in bearings sup ported by standards B 0, attached to the frame. D is a link connected with the camrods G, and adjusted to slide on an arm on the crank a, on a short shaft provided with the crank b, to which is attached the rod 12 of the steamchest E. F is a lever, pivoted to the frame, and provided with a slot near the inner end to receive a pin on the side of the link, to adjust the cutoff and change the steam, so as to give either backward or forward motion to the machine. J J are brakelevers, pivoted to the frame and to one end of the brake rods b which are adjusted in grooves around the edges of the plates attached to the ends of the spools L, having their bearings on the frame M.
One end of each of the brake-rods is fast- I ened to the frame, so that by pressing the up- N N are levers attached to the eccentric 'boxes P, which are adjusted to be oscillated in external boxes P, to place the spools in and. out of gear, as shown in Figs. 3 and 4. Q is an intermediate gear-wheel, adjusted on a shaft, 0, having its hearings on the frame. R is a pinion on the shaft 0, adjusted to gear with the cog-wheels R R on the ends of the spools. S is a pinion on the main shaft 0, gearing with the intermediate wheel Q. T is a fly-wheel, provided with a crank-handle, d.
To place the spools out of gear the levers N are moved outward, turning the eccentric boxes P, and carrying the cog-wheels R R outward and downward, and disengaging them from the pinion R, as shown by dotted lines in Fig. 3.
The spools are both adjusted to turn the same way, and one takes up the rope as the other turns it off.
When it is necessary to hold one rope tight to take up slack rope, the spool carrying the rope to be held tight is thrown out of gear by its lever N, and is held from turning by its brake-lever J, and the machine being put in motion, the slack rope is taken up by the other spool.
This engine is located aft the boiler, that being the best position for controlling rafts, boats, and tows.
What I claim as new, and desire to secure by Letters Patent, is
1. A nigger engine, provided with two spools, L, adjusted to be turned in the same direction, and to be placed in and out of gear with their driving-pinion by mechanism, substantially as and for the purposes described.
2. The spools L, provided with the gearwheels R R adjusted to be placed separately in and out of gear with their driving-pinion R, in combination with brakes b levers J, and eccentric boxes P, provided with levers N, substantially as and for the purposes described.
In testimony that I claim the foregoing as my own invention I affix my signature in presence of two witnesses.
OHANOY LAMB.
Witnesses:
GEO. B. YOUNG, WM. W. SANBORN.
US186011D Improvement in nigger-engines Expired - Lifetime US186011A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526953A (en) * 1945-12-03 1950-10-24 Edward H Kruse Anchor winch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2526953A (en) * 1945-12-03 1950-10-24 Edward H Kruse Anchor winch

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