US509859A - John lake barnes - Google Patents

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US509859A
US509859A US509859DA US509859A US 509859 A US509859 A US 509859A US 509859D A US509859D A US 509859DA US 509859 A US509859 A US 509859A
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lever
friction
shaft
wheel
barnes
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H15/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members
    • F16H15/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members without members having orbital motion
    • F16H15/04—Gearings providing a continuous range of gear ratios
    • F16H15/06—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B
    • F16H15/08—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B is a disc with a flat or approximately flat friction surface
    • F16H15/10—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B is a disc with a flat or approximately flat friction surface in which the axes of the two members cross or intersect
    • F16H15/12—Gearings providing a continuous range of gear ratios in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B in which the member B is a disc with a flat or approximately flat friction surface in which the axes of the two members cross or intersect in which one or each member is duplicated, e.g. for obtaining better transmission, for lessening the reaction forces on the bearings
    • 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
    • Y10T74/19042—Friction-type gearing

Definitions

  • This invention relates to feed mechanism for sawmills; and it consists in the novel con-' struction and combination of the parts hereinafter fully described and claimed.
  • Figure 1 is a front view of the mechanism; and Fig. 2 is a plan view of the same.
  • A is the supporting frame.
  • B is a central vertical shaft journaled in the bearings a; and b is a beveled toothed pinion secured on the shaft 13 and adapted to propel the sawmill carriage back and forth by means of intermediate driving mechanism,not shown in the drawings.
  • 0 and D are two similar shafts arranged in line with each other and driven at the same speed, in opposite directions, as indicated by the arrows, by means of the belt pulleys c and d secured on the respective shafts.
  • E and F are combined friction-disks and friction-wheels secured on. the shafts G and D respectively.
  • G is a friction-wheel splined on the shaft B between the revolving disks
  • H is a friction-disk splined on the shaft B above the wheels E and F.
  • Oollars2 are secured to the projecting ends of the shafts O and D, and 3 are spring interposed between the said collars and the frame, and adapted to press the two frictiondisks away from the friction-wheel G.
  • J and J are two lovers pivoted to the frame by the links j and j, and connected with the hubs of the belt pulleys c and d.
  • the free ends of the levers are moved toward each other the frictiondisks are pressed on the friction-wheel G and cause the shaft B to revolve in one direction.
  • N is a rod which connects the plate in with the end of the lever I.
  • the rod N is pivoted in the plate between the pivoted ends of the rods m and m which are arranged upon opposite sides of the rock-shaft.
  • M is a handlever secured to the said plate It.
  • the operating hand-lever O is provided.
  • P is a bracket secured to the frame A, and p is a sleeve journaled on the fulcrum pin 19 which passes through the said bracket.
  • the sleeve 10 is provided with a vertical ,pin 0 on which the lever O is pivoted.
  • the rear end of the lever O is pivoted to a rod q, the lower end q of which is forked and is operatively connected to the hub of the wheel G.
  • the wheel G is raised or lowered to change the speed of the shaft B by raising or lowering the front end of the lever O.
  • the sawyer grasps the lever M with one hand and the lever O with the other hand and operates them so as to run this mill to the best advantage.
  • the two said levers M and O are coupled together. This is effected by simply forming a slot 0 through the front end of the lever O and permitting the lever M to project through the said slot. The lever 0 then vibrates with the lever M in a horizontal direction, turning on the pin 0, Without changing the position of the Wheel G; and the handle of the lever O is always retained in a convenient position and in front of the sawyer.
  • the lever O can be turned on the fulcrum pin 19 to change the position of the wheel G irrespective of the position of the lever M and as often as required.
  • What I claim is 1.
  • the combination with the two driving friction-disks revolving in opposite directions, the driven friction-wheel splined upon its shaft between the said disks, and a hand-lever and intermediate connections operating to press the said disks upon the said wheel; of a second handlever, for varying the speed of the feed mechanism, provided with a slot engaging with the first hand-lever whereby the said hand-levers are retained in proximity to each other, and intermediate operating devices connecting the said second lever with the driven friction- Wheel.
  • a hand-lever In a sawmill feed mechanism, the combination, with the central shaft and the frictionwheel splined thereon, a hand-lever, a vertical pivot pin passing through the said lever and permitting it to be swung horizontally, operating devices connecting the said lever with the said friction-wheel, and a horizontally-arranged fulcrum pin supporting the said lever V and its vertical pivot pin and permitting the said lever to be moved vertically to slide the said friction-wheel on its shaft; of the two driving friction-disks revolving in oppoite directions, a vertical hand-lever passing through a slot in the aforesaid hand-lever, and intermediate connections between the said vertical hand-lever and driving disks, substantially as set forth.

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  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Harvester Elements (AREA)

Description

(No' Mddel.)
J. L. BARNES. FEED MECHANISM FOR SAWMILLS.
No. 509,859. Patented 1m. 5, 1893.
UNITED STATES PATENT OFFICE.
JOHN LAKE BARNES, OF INDIANAPOLIS, INDIANA.
FEED MECHANISM FOR SAWMILLS.
EPEGIFIGATION forming part of Letters Patent No. 509,859, dated December 5, 1893.
Application filed February 17, 1893- Serial No. 462,764. (N o model.
To all whom it may concern:
Be it known that 1, JOHN LAKE BARNES, a citizen of the United States, residing at Indianapolis, in the county of Marion and State of Indiana, have invented certain new and useful Improvements in Feed Mechanism for Sawmills; and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
This invention relates to feed mechanism for sawmills; and it consists in the novel con-' struction and combination of the parts hereinafter fully described and claimed.
In the drawings: Figure 1 is a front view of the mechanism; and Fig. 2 is a plan view of the same.
A is the supporting frame.
B is a central vertical shaft journaled in the bearings a; and b is a beveled toothed pinion secured on the shaft 13 and adapted to propel the sawmill carriage back and forth by means of intermediate driving mechanism,not shown in the drawings.
0 and D are two similar shafts arranged in line with each other and driven at the same speed, in opposite directions, as indicated by the arrows, by means of the belt pulleys c and d secured on the respective shafts.
E and F are combined friction-disks and friction-wheels secured on. the shafts G and D respectively.
G is a friction-wheel splined on the shaft B between the revolving disks, and H is a friction-disk splined on the shaft B above the wheels E and F.
Oollars2 are secured to the projecting ends of the shafts O and D, and 3 are spring interposed between the said collars and the frame, and adapted to press the two frictiondisks away from the friction-wheel G.
J and J are two lovers pivoted to the frame by the links j and j, and connected with the hubs of the belt pulleys c and d. When the free ends of the levers are moved toward each other the frictiondisks are pressed on the friction-wheel G and cause the shaft B to revolve in one direction.
I is a lever pivoted to the frame by the link i, and connected with the hub of the frictiondisk H. When the lever I is depressed it presses the disk H on the wheels E and F, and the shaft Bis caused to revolve in the opposite direction. A collar h is secured to the shaft B,
and his a springinterposed between the hub of the disk H and the said collar and adapted to sustain the said disk H clear of the friction wheels.
The above-described parts diifer in no material respect from the similar parts shown and described in my Patent No. 474,435, dated May 10, 1892.
K is a rock-shaft journaled in the stationary bearings k. Rods m and m pivotally connect the plate 70' which is secured upon the rock-shaft K, with the ends ofthe respective levers J and J. 1
N is a rod which connects the plate in with the end of the lever I. The rod N is pivoted in the plate between the pivoted ends of the rods m and m which are arranged upon opposite sides of the rock-shaft. M is a handlever secured to the said plate It. When the hand-lever is moved to the left, in Fig. 1, the combined friction-disks and friction-wheels are moved apart, and the friction-disk H is pressed on their peripheries thereby revolving the shaft B to effect the return movement of the carriage. When the hand-lever is moved to the right the disk H is raised and the driving disks are pressed simultaneously on the wheel G and revolve it in the direction necessary to propel the carriage.
In order that the carriage may be propelled forward at different speeds, the operating hand-lever O is provided.
P is a bracket secured to the frame A, and p is a sleeve journaled on the fulcrum pin 19 which passes through the said bracket. The sleeve 10 is provided with a vertical ,pin 0 on which the lever O is pivoted. The rear end of the lever O is pivoted to a rod q, the lower end q of which is forked and is operatively connected to the hub of the wheel G. The wheel G is raised or lowered to change the speed of the shaft B by raising or lowering the front end of the lever O.
The sawyer grasps the lever M with one hand and the lever O with the other hand and operates them so as to run this mill to the best advantage.
In order that the lever 0 may at all times be convenient to the grasp of the sawyer while operating the lever M, the two said levers M and O are coupled together. This is effected by simply forming a slot 0 through the front end of the lever O and permitting the lever M to project through the said slot. The lever 0 then vibrates with the lever M in a horizontal direction, turning on the pin 0, Without changing the position of the Wheel G; and the handle of the lever O is always retained in a convenient position and in front of the sawyer.
The lever O can be turned on the fulcrum pin 19 to change the position of the wheel G irrespective of the position of the lever M and as often as required.
It will be noticed that the two speeds of the carriage remain the same when the wheel G is once set in an appropriate position, and that the hand-lever M is operated to merely change the direction of the motion, and that an adjustment of the parts at each cut, to produce the required speed, is not necessary. Nevertheless any required change of speed in propelling the carriage can be quickly made by means of the separate lever 0.
What I claim is 1. In a sawmill feed mechanism, the combination, with the two driving friction-disks revolving in opposite directions, the driven friction-wheel splined upon its shaft between the said disks, and a hand-lever and intermediate connections operating to press the said disks upon the said wheel; of a second handlever, for varying the speed of the feed mechanism, provided with a slot engaging with the first hand-lever whereby the said hand-levers are retained in proximity to each other, and intermediate operating devices connecting the said second lever with the driven friction- Wheel.
2. In a sawmill feed mechanism, the combination, with the central shaft and the frictionwheel splined thereon, a hand-lever, a vertical pivot pin passing through the said lever and permitting it to be swung horizontally, operating devices connecting the said lever with the said friction-wheel, and a horizontally-arranged fulcrum pin supporting the said lever V and its vertical pivot pin and permitting the said lever to be moved vertically to slide the said friction-wheel on its shaft; of the two driving friction-disks revolving in oppoite directions, a vertical hand-lever passing through a slot in the aforesaid hand-lever, and intermediate connections between the said vertical hand-lever and driving disks, substantially as set forth.
In testimony whereof I affix my signature in presence of two witnesses.
JOHN LAKE BARNES.
Witnesses:
JAMES A. WALSH, FRANK W. WARNER.
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