US215209A - Improvement in machines for hoisting and transferring heavyweights - Google Patents
Improvement in machines for hoisting and transferring heavyweights Download PDFInfo
- Publication number
- US215209A US215209A US215209DA US215209A US 215209 A US215209 A US 215209A US 215209D A US215209D A US 215209DA US 215209 A US215209 A US 215209A
- Authority
- US
- United States
- Prior art keywords
- hoisting
- platform
- transferring
- machines
- heavyweights
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- Expired - Lifetime
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- 239000002965 rope Substances 0.000 description 4
- 235000018747 Typha elephantina Nutrition 0.000 description 2
- 240000000913 Typha elephantina Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003028 elevating Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000000284 resting Effects 0.000 description 2
- 238000004642 transportation engineering Methods 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
Description
, B. COAKLEY. l Machine for Holisting and Transferring Heavy Weight-s.
J'llfllllflc UNITED, STATES PATENT FFlCFI` IMPROVEMENT IN MACHINES FOR HOISTING AND TRANSFERRING HEAVY WEIGHTS.
Speciiication forming part of Letters Patent No. 215,209, dated May 13, 1879; application filed April 12, 1879.
To all 'whom it may concern:
Be it known that I, BENJAMIN GOAKLEY, of Washington city, District of Columbia, have made certain Improvements in Machines for Hoisting and Transferring Heavy Weights, of which the following is a specification.
The object of this invention is to put into use a machine that will quickly and safely raise a heavy weight from place of rest to be loaded into a wagon, onto a dray, or other carriage for transportation, or to reverse the operation by taking such weight and lowering it down to the level of the sills of the machine, or by a slight manipulation of parts, change it to a windlass for general hoisting of weights through a hatchway and it consists in the construction of the parts, as will be hereinafter fully described.
In the drawings, Figure l is an upright side view of the machine. Fig. 2 is a plan View of platform and its supports. Fig. 3 is a transverse sectional view of movable platform on line y y of Fig. 2, and workin g back and forth on hoisting-platform and Fig. 4 is a side View of a safety hoisting device.
A represents the sills of the machine A' A', the upright posts, in each of which is an upright groove, a, to receive a metal toothed rack, a'. A" is a top tie, securing the top of the posts A' firmly in position. B is the vertical hoisting-platform, consisting of a quadrangular frame, with transverse sills B' attached at each end within the posts A', and of considerable length, and having on their inner sides a way or track, b, boxed on three sides, but open at their inner side, and in which travel the wheels that carry the transfer or traveling platform. Centrally, and on the top of these tranverse sills B', are upward projections B", to which a device to hoist the platform and a safety-dog are securely attached. C is the device that is'secured to projection B to hoist or lower theplatform, and it is composed of the permanentlyattached part C' to the projections B" by the strap c, two eyes c', and a dog or pawl, c", that projects outwardly and is hinged between the two eyes c' at c", and then bends inwardly, forming an eye, c4, to which the hoisting-loop c5 is hinged at c".
D is the transverse or traveling platform, and is constructed to rest upon truck-wheels D' D', that travel in the ways b on platformB- d al cl are rollers permanently journaled in the platform D to project slightly above the face of the platform, so that any heavy weight resting upon them can be easily moved thereon. d' d' are spring-catches that catch into notches in the edge of platform D and hold it firmly in place. E E are the two hoisting-cables securely attached to the upper ends of the hinged loops c5of hoistingdevice C. E' E'are sliding clutchdrums around the main hoisting-shaft, and to which the upper ends of the hoisting-cables are attached.
F is a horizontal shaft, freely revolving in journals f on the top of posts A', and extends outside of bearings f far enough to have secured to each of their ends a driving wheel or pulley. ff' are two toothed clutches permanently fixed to the shaft F, into which gear the teeth c on drums E' when the platform B is to be raised or lowered.
G G are the crank-shafts, one on each side of the machine, and each has fixed thereto a gear-Wheel, g, and a ratchet-wheel, g'. G' G' are gear-wheels gearing into driving-wheels g, and on the same shaft with them' are sprocketwheels or pin-wheels G" G", that revolve with wheels G'. H H are endless driving-chains around wheels G" G", thence passing around driving-wheels H' H' on shaft F, and by revolving crank-shafts G motion is given to the endless chains H through the gear-wheels, thence to shaft F by the endless chains and drive-Wheels H'.
I is a removable floor to platform B.l J is a drum around the center of the length of shaft F, and permanently fixed thereto. j is a hoisting-rope attached to drum J, and is used to hoist or lower heavy packages through the opening made by removing the floor I into or out of cellars or store-rooms below where the hoisting-machine is placed through an open hatchway.
This machine, constructed as above described, is a great help in loading heavy packages into wagons, or onto trucks for transporting, or for unloading the same, as one man can, when the platform is down, turn such package over upon the traveling platform D. Then, by releasing the spring-catch d', the platform and its load is pushed into the center of the hoist,
the crank G revolved, and the platform end package thereon raised :is hi gh as necessary.
When pew] o is turned to catch into ratchetwheel g the platform is hehl at its height. Then it is forced over to the opposite side to- Werd the truck, the spring-catch taking into the notch. The platform D isheld in place while the package or weight on the platform is rolled or forced onto the truck, Wegen, or dray.
If', in hoisting, one or both of' the hoisting cables E should breek, the projecting pziwl or pewls c" would instmltlyengege with the teeth on rack a! and hold the platform in its posi. tion and prevent its felling.
When the machine is to be used es n. windless, the latches .r .r are turned up, and the clutch-drum E' can be forced out of' gear with the clutchesf, when the shaft F and drinn J and its hoisting-rope j only will operate.
What I claim is-D 1. In en elevating or hoisting machine, the traveling platform l), hoisting-platform B, in
combination with the drums E and operating mechanism, substantially as and for the pun poses described.
2. The combination, in e hoisting-machine, ofthe hoisting-platform B and traveling platform l),constructed andoperatingsubstantielly as and for the purpose described.
3. The traveling platform D, having the rollers d thereon, in combination with the springholding catch df, substantially es described.
4. The combination of the upright strap c, having the two eyes c', the hinged dog or pewl c, and loop c5, constructed es described, to form the safety hoisting` device C.
5. The combination ofthe operating trein of mechanism G g G G H H', shaft F, and drum J, with its hoisting-cable j, as and for the purpose described.
BENJAMIN OOAKLEY.
XVitnesses:
J. W. HAMILTON JOHNSON, A, E. H. JoHNsoN.
Publications (1)
Publication Number | Publication Date |
---|---|
US215209A true US215209A (en) | 1879-05-13 |
Family
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Application Number | Title | Priority Date | Filing Date |
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US215209D Expired - Lifetime US215209A (en) | Improvement in machines for hoisting and transferring heavyweights |
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- US US215209D patent/US215209A/en not_active Expired - Lifetime
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