US517078A - Overhead traveling crane - Google Patents

Overhead traveling crane Download PDF

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US517078A
US517078A US517078DA US517078A US 517078 A US517078 A US 517078A US 517078D A US517078D A US 517078DA US 517078 A US517078 A US 517078A
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bridge
trolley
rail
overhead traveling
hoist
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C7/00—Runways, tracks or trackways for trolleys or cranes

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  • the invention consists in the peculiar construction of the bridge, and the construction and arrangement of the trolley and its actuating devices, and further'in the peculiar construction, arrangement and combination of the various parts, all as more fully hereinafter described.
  • Figure 1 is a side elevation of a bridge and trolley embodying my invention.
  • Fig. 2 is a plan view thereof.
  • Fig. 3 is a section through the bridge, showing the trolley in elevation.
  • Figs. at and 5 are similar sections of modified forms.
  • A is the track, B the carriage or bridge, and 0 its wheels running on the track.
  • this bridge runs a trolley D having a suitable hoist.
  • E is the actuating shaft for the trolley and E the actuating shaft for the hoist.
  • the bridge consists of a main bridge which supports the load, and an auxiliary bridge or rail for supporting the outer end of the actuating shaft or shafts which are provided with suitable wheels F running and supported on the auxiliary rail, having the usual chain wheel and chains for actuating them.
  • Figs. 1, 2 and 3 I have shown the bridge formed of end beams a, main bridge beams b c and an auxiliary rail or bridgec'.
  • Fig. 4 I have shown the main or load carrying bridge formed of a single I beam d, and an auxiliary bridge formed of an I beam e.
  • Fig. 5 I have shown another modification in which the trolley runs upon the top of an I beam bridge ,7 and the auxiliary bridge or rail is formed by the squaring shaft 9, connecting the drive mechanism at opposite ends of the bridge.
  • This last mentioned construction is especially adapted for cranes of small span.
  • the apparatus may be variously constructed, and yet come within the spirit of my invention, which as I understand it, broadly consists in arranging an auxiliary rail beside the bridge, to support the outer end of the actuating shafts of the trolley or hoist.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)

Description

STATES PATENT OFFICE.
GEORGE A. TRUE, OF DETROIT, MICHIGAN.
Y OVERHEAD TRAVELING CRANE.
SPECIFICATION forming part of Letters Patent No. 517,078, dated March 27, 1894. Application filed November 14:, 1893. Serial No.490,912. (No model.)
To aZZ whom it may concern.-
Be it known that I, GEORGE A. TRUE, a citizen of the United States, residing at Detroit, in the county of Wayne and State of Michi gan, have invented certain new and useful Improvements in Overhead Traveling Cranes, of which the following is a specification, reference being had therein to the accompanying drawings.
The invention consists in the peculiar construction of the bridge, and the construction and arrangement of the trolley and its actuating devices, and further'in the peculiar construction, arrangement and combination of the various parts, all as more fully hereinafter described.
In the drawings, Figure 1 is a side elevation of a bridge and trolley embodying my invention. Fig. 2 is a plan view thereof. Fig. 3 is a section through the bridge, showing the trolley in elevation. Figs. at and 5 are similar sections of modified forms.
A is the track, B the carriage or bridge, and 0 its wheels running on the track. Upon this bridge runs a trolley D having a suitable hoist.
E is the actuating shaft for the trolley and E the actuating shaft for the hoist.
The bridge consists of a main bridge which supports the load, and an auxiliary bridge or rail for supporting the outer end of the actuating shaft or shafts which are provided with suitable wheels F running and supported on the auxiliary rail, having the usual chain wheel and chains for actuating them.
In Figs. 1, 2 and 3 I have shown the bridge formed of end beams a, main bridge beams b c and an auxiliary rail or bridgec'.
In Fig. 4 I have shown the main or load carrying bridge formed of a single I beam d, and an auxiliary bridge formed of an I beam e.
In Fig. 5 I have shown another modification in which the trolley runs upon the top of an I beam bridge ,7 and the auxiliary bridge or rail is formed by the squaring shaft 9, connecting the drive mechanism at opposite ends of the bridge. This last mentioned construction is especially adapted for cranes of small span.
By arranging the drive wheels for the trolley and hoist to one side, I am enabled to handle bulky or heated articles without danger and with greater convenience. This construction is also desirable for applying electric or other motors to these drive shafts, as they may be applied between the main bridge and the rail. Ihave indicated in dotted lines an electric motor thus applied at J in Fig. 3.
It is evident from the modifications shown, that the apparatus may be variously constructed, and yet come within the spirit of my invention, which as I understand it, broadly consists in arranging an auxiliary rail beside the bridge, to support the outer end of the actuating shafts of the trolley or hoist.
What I claim is- I 1. In a crane, the combination of a bridge for supporting the load and the hoist, a rail or auxiliary bridge beside the same and the actuating shaft for the hoist extending over the rail having its outer end supported thereon, substantially as described.
2. In a crane, the combination of a bridge, the trolley thereon and its hoist, of an auxiliary rail beside the bridge, an actuating shaft extending from the trolley over said rail and a Wheel running on the rail and supporting the outer end of said shaft, substantially as described.
3. In a crane, the combination of a bridge, the trolley thereon, a hoist supported on the trolley, actuating shafts for the trolley and from and arranged beside the load supporting bridge, wheeled bearings on said rail supporting the outer ends of the shafts, and-actuating wheels on the shafts, substantially as described.
In testimony whereof I affix my signature in presence of two Witnesses.
. GEORGE A. TRUE.
. Witnesses:
JAMES WHITTEMORE, O. F. BARTHEL.
hoist, an auxiliary rail or bridge separated
US517078D Overhead traveling crane Expired - Lifetime US517078A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891094A (en) * 1974-05-08 1975-06-24 Westinghouse Electric Corp Overhead traveling crane with a telescopic hoist drive
US20070163982A1 (en) * 2006-01-13 2007-07-19 Frank Paul Lichinchi Portable Knockdown Trolley Hoist

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3891094A (en) * 1974-05-08 1975-06-24 Westinghouse Electric Corp Overhead traveling crane with a telescopic hoist drive
US20070163982A1 (en) * 2006-01-13 2007-07-19 Frank Paul Lichinchi Portable Knockdown Trolley Hoist
US7377398B2 (en) * 2006-01-13 2008-05-27 Frank Paul Lichinchi Portable knockdown trolley hoist
US20080223805A1 (en) * 2006-01-13 2008-09-18 Frank Paul Lichinchi Portable Knockdown Trolley Hoist
US7604134B2 (en) * 2006-01-13 2009-10-20 Frank Paul Lichinchi Portable knockdown trolley hoist

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