US83237A - Improved elevator for buildings - Google Patents
Improved elevator for buildings Download PDFInfo
- Publication number
- US83237A US83237A US83237DA US83237A US 83237 A US83237 A US 83237A US 83237D A US83237D A US 83237DA US 83237 A US83237 A US 83237A
- Authority
- US
- United States
- Prior art keywords
- elevator
- buildings
- motion
- improved elevator
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000007788 liquid Substances 0.000 description 4
- 239000002965 rope Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B1/00—Control systems of elevators in general
- B66B1/02—Control systems without regulation, i.e. without retroactive action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B11/00—Main component parts of lifts in, or associated with, buildings or other structures
- B66B11/04—Driving gear ; Details thereof, e.g. seals
- B66B11/0423—Driving gear ; Details thereof, e.g. seals actuated pneumatically or hydraulically
Definitions
- My invention consists of one or more platforms, sliding oIi vertical or inclined ways, and suitable machinery for imparting to and maintaining in said platform or platforms at constant and automatic reciprocatin g motion between two or more floors of a building.
- Figure I represents the simplest form of the apparatus.
- a A, B B are the floors, between which the elevator 0 runs.
- S S is the slide.
- the elevator is hung, by the rope DD, over the pulley E.
- D is attached to the crank-pin G.
- H is a large spur-wheel, attached to the .same shaft with the crank F. .11 receives a steady and constant motion from the pinion I, attached to the engine, or other motive-power.
- necting-rod connects the crank with the elevator, instead of a cord, as in Fig. I.
- Figure IV shows a cylinder, in which is a piston, which is alternately moved back and forth by the pressure of a gas or liquid, entering through the pipe J, and alternately admitted to the ends of the cylinder by a valve in the valve-chest K.
- This valve is operated by the lifter L, attached to the piston-rod M, which alternately strikes the pieces N N on the valvestem.
- I show a circular valve, which, in many I prefer to the ordinary flat valve above mentioned, The liquid or gas under pressure enters through the pipe J. The exhaust flows out through 0.
- P and Q are pipes communicating with the two ends of a cylinder, like Y in Fig. IV.
- X shows the unused positions of the valve, which, when substituted for K, is operated by adding the levers w 'v z.
- the arrows from J to P and Q to 0 show the direction of the currents to bring the piston to its present position.
- Figure III shows a double elevator, in which a conployed in thousands of steam-pumps now in use, 1'
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- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Civil Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Types And Forms Of Lifts (AREA)
- Lift-Guide Devices, And Elevator Ropes And Cables (AREA)
Description
J. S. BALDWIN. Elevator for Buildings.
' Patented Oct. 20, 1868.
QIQIIIIIIIIH "I JAMES S. BALDWIN, OF
strut i159.
NEWARK, NEW JERSEY.
Lam Patent No. 83,237, dated 00mm 20, 1868.
IMPROVED ELEVATOR FOR BUILDING-3.,
The Schedule referred to in these Letters Patent and making part of the same.
To all whom "it may concern:
Be it known that I, JAMES S. BALDWIN, of the city of Newark, county of Essex, and State of New Jersey, have invented an Improved Elevator for transporting passengers; and I do hereby declare that the following is a full and suiiicient description of the same, reference being had to the accompanying drawings, and to the letters of reference marked thereon, forming a part of this specification. I
My invention consists of one or more platforms, sliding oIi vertical or inclined ways, and suitable machinery for imparting to and maintaining in said platform or platforms at constant and automatic reciprocatin g motion between two or more floors of a building.
The combination of one or more movable platforms, running in vertical or inclined slides, and an automatic motor, is not new. It has been used, to a limited extent, in mines for many years. Neither is'the combination of a-building and one or more platforms, moving in vertical or inclined ways, new. But I regard as novel the threefold combination of building, elevator, and automatic motor, and I have been the first to. demonstrate its practicability, by the construction of an experimental machine on a large scale. With this machine, I have shown, by practical tests, that infirm persons, and even cripples, may pass between the several floors of a building unattended, and with ease and safety, although, until the reverse was demonstrated by my machine, no elevator was considered safe or practicable for use in buildings unless it was under the constant supervision of an attendant who had constantly within his reach the means of stopping it or reversing its motion.
Figure I represents the simplest form of the apparatus.
A A, B B are the floors, between which the elevator 0 runs. S S is the slide. The elevator is hung, by the rope DD, over the pulley E. D is attached to the crank-pin G. H is a large spur-wheel, attached to the .same shaft with the crank F. .11 receives a steady and constant motion from the pinion I, attached to the engine, or other motive-power. I
It is apparent that a constant rotation of the pinion will impart, through the spur-wheel, crank, and rope, a constant reciprocating motion to the platform 0, and, as the dead or neutralpoints of the cranks motion occur when the platform is at its highest or lowest point,
and the motion of the latter is rendered very gradual,
ample time isaii'orded for passengers to step on or ofi.
By having a number of platforms in the same system as in Figure II, the motor remaining the same as in Fig. I, persons may enter and leave at several points at the same time.
necting-rod connects the crank with the elevator, instead of a cord, as in Fig. I.
Figure IV shows a cylinder, in which is a piston, which is alternately moved back and forth by the pressure of a gas or liquid, entering through the pipe J, and alternately admitted to the ends of the cylinder by a valve in the valve-chest K. This valve is operated by the lifter L, attached to the piston-rod M, which alternately strikes the pieces N N on the valvestem. As thefunctions of the several parts of this device are well known to all machinists, and as they are emneed not describe them more particularly; but in Figure V, I show a circular valve, which, in many I prefer to the ordinary flat valve above mentioned, The liquid or gas under pressure enters through the pipe J. The exhaust flows out through 0. P and Q are pipes communicating with the two ends of a cylinder, like Y in Fig. IV. X shows the unused positions of the valve, which, when substituted for K, is operated by adding the levers w 'v z. The arrows from J to P and Q to 0 show the direction of the currents to bring the piston to its present position.
A reciprocating motion being thus communicated to the piston-rod M, it is obvious that if its end T were fastened to the elevator in Fig. III at the point T, it would communicate its motion to the said elevator. When necessary, I employ cords to transmit the motion, as in Fig. I.
I regard the two plans hereinbefore described as the be used.
I claim as my invention, and desire to secure by Let em Patent- The automatic elevator, constructed and applied as and for the purpose set forth.
' JAIVEES' S. BALDWIN. Witnesses S. A. BALDWDI, SAML BALDWIN.
Figure III shows a double elevator, in which a conployed in thousands of steam-pumps now in use, 1'
best of a large number which might, in some cases,
Publications (1)
Publication Number | Publication Date |
---|---|
US83237A true US83237A (en) | 1868-10-20 |
Family
ID=2152730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US83237D Expired - Lifetime US83237A (en) | Improved elevator for buildings |
Country Status (1)
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US (1) | US83237A (en) |
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- US US83237D patent/US83237A/en not_active Expired - Lifetime
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