US298487A - William h - Google Patents

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US298487A
US298487A US298487DA US298487A US 298487 A US298487 A US 298487A US 298487D A US298487D A US 298487DA US 298487 A US298487 A US 298487A
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shaft
clock
hand
machinery
speed
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P1/00Details of instruments
    • G01P1/07Indicating devices, e.g. for remote indication
    • G01P1/08Arrangements of scales, pointers, lamps or acoustic indicators, e.g. in automobile speedometers

Definitions

  • Figure l is a front elevation of my improvement, the driving-shaft being shown in sec tion.
  • Fig. 2 is a sectional plan view of the same.
  • the object of this invention is to provide a means for showing the loss or gain in speed of a steam-engine or other machinery.
  • the invention consists in a speed-clock for.
  • machinery constructed with an ordinary clockwork provided with a third hand connected by a shaft and gearing with the machinery, and a clock-work provided with two hands arranged to revolve, the one once an hour and the other once in sixty hours, as will be hereinafter fully described.
  • A is the driving-shaft whose speed is to be registered, and to which is attached a worm, B.
  • the worm B meshes into the worm-wheel 0, attached to the end of a short shaft, D, which revolves'in bearings in some suitable support, and upon the other end of which is placed a small gear wheel, E.
  • the gearwheel E is connected with the shaft D by a tongue and groove, so that it can be moved longitudinally upon the shaft D while being carried around by and with the said shaft in its revolution.
  • the clock-work I is made the same as the work of an ordinary clock, except that the post K of the hour-hand L and the postM of the minute-hand N are both tubular, and
  • a worm-wheel, Q which meshes into a worm
  • It attached to the shaft H, the gearing of which is so arranged that the minute-hand N and the speed-hand P will keep together when the shaft A is driven at the proper speed; but should the shaft A run too slow or too fast the speedhand P will be in advance of or behind the said minute-hand, and will thus show the variations of speed.
  • the clock-work I is driven by a spring or weight in the ordinary manner.
  • a worm, S which meshes into the worm-wheel T, attached to the post U, which carries the minute-hand V, the shaft H being so geared that the hand V will make a revolution in one hour.
  • the tubular post IV that carries the hour-hand X, is connected with the post U by gearing so constructed that the said hour-hand X will make a revolution in sixty hours, that being the number of hours that machinery usually whether the machinery is running too fast or i too slow or at the required speed, and the clock J shows how much speed, if any, has been lost during so much of the week as had passed when the observation was taken.
  • Aspeed-clock for machinery constructed substantially as herein shown and described, and consisting of an ordinary clock-work provided with a third hand andconnected by a shaft and gearing with the machinery, and a clock-work connected with the machinery by a shaft and gearing, and provided with two hands arranged to revolve, the one once an hour and the other once in sixty hours, as set forth.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)

Description

(No Model.)
. WITNESSES: INVENTOR:
BY A6. J S I 67MV/@ ATTORNEYS.
N PETERS. Photo-Ullwgnphur. Walhingion, D. (L
UNITED STATES PATENT FFICE.
WILLIAM 1-1. LORD, OFMN-EW, YORK, NI Y.
SPEED-CLOCK FoR MACHINERY.
SPECIFICATION forming part of Letters Patent No. 298,487, dated May 13, 1884.
Application filed October 4, 1883. (No model.)
T 0 all whom it may concern.-
Be it known that I, XVILLIAM H. LORD, of the city, county, and State of New York, have invented a new and useful Improvement in Speed-Clocks for Machinery, of which the following is a full, clear, and exact description.
Reference is tobe had to the accompanying drawings, forming a part of this specification, in which similar letters of reference indicate corresponding parts in all the figures.
Figure l is a front elevation of my improvement, the driving-shaft being shown in sec tion. Fig. 2 is a sectional plan view of the same.
The object of this invention is to provide a means for showing the loss or gain in speed of a steam-engine or other machinery.
The invention consists in a speed-clock for.
machinery, constructed with an ordinary clockwork provided with a third hand connected by a shaft and gearing with the machinery, and a clock-work provided with two hands arranged to revolve, the one once an hour and the other once in sixty hours, as will be hereinafter fully described.
A is the driving-shaft whose speed is to be registered, and to which is attached a worm, B. The worm B meshes into the worm-wheel 0, attached to the end of a short shaft, D, which revolves'in bearings in some suitable support, and upon the other end of which is placed a small gear wheel, E. The gearwheel E is connected with the shaft D by a tongue and groove, so that it can be moved longitudinally upon the shaft D while being carried around by and with the said shaft in its revolution.
In the projecting end of the hub of the gear-wheel E is formed an annular groove to receive the forked end of the lever 1+, which is pivoted to some suitable support, so that the movement of the said lever F will move the gear-wheel E into and out of gear. The
teeth of the gear-wheel E mesh into the teeth of the larger gear-wheel G, attached to the end of a shaft, H, which revolves in suitable supports, and passes through the clock-works I and J. The clock-work I is made the same as the work of an ordinary clock, except that the post K of the hour-hand L and the postM of the minute-hand N are both tubular, and
through them passes a post, 0, carrying athird hand, P.
To the post 0 is attached a worm-wheel, Q, which meshes into a worm, It, attached to the shaft H, the gearing of which is so arranged that the minute-hand N and the speed-hand P will keep together when the shaft A is driven at the proper speed; but should the shaft A run too slow or too fast the speedhand P will be in advance of or behind the said minute-hand, and will thus show the variations of speed. The clock-work I is driven by a spring or weight in the ordinary manner.
To the shaft H is attached a worm, S, which meshes into the worm-wheel T, attached to the post U, which carries the minute-hand V, the shaft H being so geared that the hand V will make a revolution in one hour. The tubular post IV, that carries the hour-hand X, is connected with the post U by gearing so constructed that the said hour-hand X will make a revolution in sixty hours, that being the number of hours that machinery usually whether the machinery is running too fast or i too slow or at the required speed, and the clock J shows how much speed, if any, has been lost during so much of the week as had passed when the observation was taken.
Having thus described my invention, I claim as new and desire to secure by Letters Patent 1. Aspeed-clock for machinery, constructed substantially as herein shown and described, and consisting of an ordinary clock-work provided with a third hand andconnected by a shaft and gearing with the machinery, and a clock-work connected with the machinery by a shaft and gearing, and provided with two hands arranged to revolve, the one once an hour and the other once in sixty hours, as set forth.
2. In a speedclock for machinery, the combination, with the drive-shaft A, of the clock- 5 WILLIAM H. LORD.
Witnesses:
EDWIN W, JOHNSON, BEN LORD.
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