US1768542A - Hoisting carrier - Google Patents

Description

July 1, 1930. G. w. CLAUSING HOISTING CARRIER 2 Sheets-Sheet 1 Filed April 3, 1925 INVENTOR. G50 GE 14 Cums/N6 Q1 9 I ATTORNEY.

July 1, 1930. ca. w. CLAUSING 1,768,542

' HOISTING CARRIER Filed April 5, 1925 ZSheets-Sheet 2 F/a. 4 ATTORNEY.

Patented July 1, 1930 UNITED STATES PATENT'OFFICE GEOEGE W. CLAUSING, on oriioAGo, ILIiINoIs norsrmo Application filed A ril 3,

This invention relates to improvements in hoisting carriers for tram rail systems, and has for its purpose providing more flexible operation of such systems than is ordinarily ,6 provided. In the system a jib rail is provided and pivoted to the main track so that the ib may be rotated at an angle to the track inorder to more conveniently reach objects which are to be handled. And in connection with the jib my improvement comprises a carrier having a lifting head which can be raised or lowered by suitable means and which can be rotated with reference to the jib, and which can be projected a very material distance.be-'

yond the end of the jib. Thecomplete system thus forms a very flexible arrangement for handling goods where special conditions prevail. A particular object is to providefor more lifting room for the head than the ordi- 2 nary track will allow, and this I provide for any position of the carrier on the track.

Other objects of the inventionwill be apparent from a consideration of the accompany.- ing drawings and the description thereof:

Of the drawings Fig. 1 is an elevation of the system; Fig. 2 is a reduced diagrammatic plan view of the system; Fig. 3-is anenlarged front elevation of the carrier of the system; and Fig. 4 is a side elevation of the carrier head in its lowered position. 1 Y

Of the drawings the main track 10 ofthe system may be any suitable track which allows the carrier to be moved from one place to another, this track being stationary. Pivoted to the ends of this track, in any suitable or ordinary manner, are jibs 11 which may be used as a continuation of the main track and which may be rotated to any convenient angle with reference to the track. Guys 9 support the outer ends of the jibs. The hoisting carrier 12 is mounted upon the jib 11 by means of flanges 13 which form a track for the supporting wheels 14. I j

My improvement comprises a load frame 17 which is supported by the wheels 14 on the track 13 in the following manner: Depending from the wheels 14 are U-shaped hangers 15 which support the frame 16. Rotatably mounted in this frame is a king bolt 8 which passes through the frame 17. By this ar- CARRIER 1925.: Serial No. 20,377.

supporting rollers 14, and hence will straddle the track 13 on the beam11 when desired. The sheaves 19are forsupporting the OPGIZltr ing cables 20. The ends of these cablesare fixed to a cross beam 21 and to this beam is fixedthe'elevating hook22. 'Theother ends 7 of'the cables are. connected to a drum 23, and many ordinary or suitable manner, and the cables may be operated by an electric motor 24' or any other suitable, means, as may bade-- sired.

Thelifting head of the carrier, comprising the sheaves 1 9, may be supported inthe elevated position in any suitable manner. For

thispurpose I prefermembers 25 which are pivoted to the frame 17 by means of a rod 26 f 1 I When these members are in the position indicated by Fig. 1 the head is supported in its elevated position. However, if it is desired to lower the head I provide arms 27 which are fixed to therod 26, and, by means of cables 28, fixed totheouter ends ofthese arms, the members '25 may be rotated to the position indi-i cated in Fig. 4 so as to allow the head to move downwardly to a point below the extension of 18 will then rest upon the members 25, but will 1 be supported in the lower position. When it e is desired to elevatethe head, suitable means the lower portion of thetrack 11. 1 The beams may be used for forcing it upwardly to the elevated position and the member 25 maythen be rotated to a position for supporting it. Y

Itis obvious that, with a load on the hook 22, there would be atendency' to tilt the carrier by forcing the head end downwardly if the load frame 17 were supported bythe king bolt 8 alone, andthere would be an undesirablestresson the mechanism. Tooffsetthis abnormal stress I extendthe frame rear- Wardly and mount-onthe rear end the risers 30 which support wheels 31; These wheels normally are positioned under the track '13 so as to hold down the rear end of the frame. Obviously when so arranged, no matter how great the load on the head, there will be no undesirable stress on the load frame or the king bolt as the stress on the bolt will be a normal downward pull. In order that the load frame may beheld in the proper posi tion for bringing the rollers 31 immediately under the track 13 suitable means. may be carrier on the track.

provided such as a pin 32 which projects into. a recess 33 in the beam '16 when the frame is properly positioned. A spring 34 holds the pin in place, but allows the pin to be pulled out from the recess WllGlfClGSlliBfGl inorder :to rotate the frame horizontally. A cord 35 may be used to pull the pin out'from the re cess and to assist in replacing it.

It is sometimes desirable to reverse the For instance, if it is desired to operate the carrier on the left hand end of the'track .10 the jib 11 is a-lined with 'the main track and the carrieris runover to the left hand jib. In doing this the head need not be lowered to clear the track, as it is straddled by the sheaves 19. The-pin- 32 may-then bereleased from the recess'thehead lowered and the frame rotated through 160 degrees so as to'projeot the head towards t e left instead of towardsthe right. ,The; pin thenenters the recess 35 and the frame will be held insuitable position so as to bring the rollers 31 under the left hand jib. track 11.

When there is no load on the hook 22', the

V 36 thus eliminate any undesirable stress on the mechanism by holding down the head end of the carrier.

It will thus be seen that l have provided a tram rail system carrier of much flexibility as the head may beraised or lowered to suit conditions and may be rotated with the jib track or rotatedhorizontally independently of the jib track so as to extend in opposite directions. The carrier also maybe project ed a material distance beyond the end of} the supporting track, or may be withdrawn to any position-on the jib or the maintrack without lowering the head. Hence the hoist may be used. with the head elevated much more than would be the case without the forwardly and upwardly projecting head; and it may be so used at any position on the tram rail system and with the head project-ying in any direction. Means alsoare provided for preventing on the carrier undesirable stress which would otherwise result by the useof' a rotary supported or a forwardly projecting carrier.

It is to be understood thatordina-ry suitable equipment is provided; for instance, a limit switch 40 may be provided which is operated by means of a lever 41, the lever being operated by the beam 21 when the ele vated hook has been raised to its maximum operable position. Var-ions means may be provided for conveniently operating the crane, but as these are not a part of my invention they have not been expressly described. Furthermore variations may be made in the various elements herein described by those skilledmin the art without departing from the spirit of my invention as disclosed by the following claims.

I claim as my invention:

1. In a tram rail system, a main track, a jib pivoted to eac'hend' of-said track, a track on each jib with one end of each registering with the main track, a hoist carrier frame adapted to be supported by rollers on any one of said tracks or on either jib, a load frame-comprising a horizontal beam normally parallel to and adjacent the track on which the carrier frame is supported, said beam being mounted for horizontal rotation -onsaid hoist carrier frame, a head mounted for vertical movement on said load frame, and means for supporting said head above and below the plane of said main tracl z, said head extend-ing out beyond one end of said load frame so as to project beyond the ends of said jibs when said hoist is at its outermost positions on said jibs.

2. In a train rail system a frame, a track mou-ntedon said frame, wheels mounted on said track and a carrier frame supported by said wheels beneath said track, a lead frame pivotedfor horizontal rotation to said (12% rierfra-me, ineansfor holding said load frame in line vertically with said carrier frame, a

movable head mounted on one end of said lead frame, and means for supporting said head above said track, and a roller mounted on the other end of said load frame imme diately under said track.

3. In: a train rail system. a frame, 'a track on said frame wheels mounted on said track and acarrier frame supportedby said wheels beneath said traclt, a load frame pivoted for horizontal rotation to said 'carier frame, means for holding said load frame in line vertically with said carrier frame, a movable head mounted on one end of said load frame, means for supporting said head above said track, a roller mounted on the other end of said load frame immediately under said track,

andfla wheel mounted on said head and adapted to pass immediately under said track when the carrier is moved to its normal idle position.

4. In a tram railsystem a frame, a track mountedon said frame, wheels mounted on saidtrack and a carrier frame supported by said wheels beneath said track, a load frame I pivoted for horizontal rotation to SZUCl carits rier frame, means for holding said load frame in line vertically with said carrier frame, a movable head mounted on one end of said load frame, means for supporting said head above said track, a roller mounted on the other end of said load frame immediately under said track, a wheel mounted on said head and adapted to pass immediately under said track when the carrier is moved to its normal idle position, said head comprising beams and rollers spaced apart farther than the width of said track. I

5. A tram railsystem comprising a track, a hoist movably mounted on but depending from said tracks, a load head projecting upwardly from said hoist above said track, said head comprising two beams on opposite sides of said track, and cable guiding means mounted at the upper endsof said beams.

- 6. In a tram rail system, a track, a hoist load frame, means rolling on said track and pivotally supporting said load frame for horizontal rotation, said load frame extending parallel to said track and adjacent thereto during efiective loading operations, means for locking said load frame in reversed positions extending parallel to said track, and thrust means between said track and said load frame for holding said load frame hori zontally supported.

7. In a tram rail system, an overhead track,

a hoist load frame suspended below said track, means movably mounted on but depending from said track and pivotallysupporting said load frame thereonfor horizontal rotation throughout 360 movement, said load frame extending parallel to saidtrack,

the bottom of said track during effective use, and means for lowering said elevating head to'provide for rotation of the hoist frame.

10. In a tram rail system, an overhead track, a hoist suspended below said track'and comprising a roller frame and a load frame pivoted thereto for complete rotation in a horizontal plane, an elevating head on said load frame, and means for normally supporting said elevating head so that it projects upwardly and outwardly from one end of the load frame with its upper end above the bottom ofsaid track during effective use, cable guiding means at the upper end of said elevating head symmetrically arranged with the vertical plane of symmetry through the track, means holding said load frame parallel to said track, and thrust rollers on said load 'frame'engaging the under surface of said track and provided on the opposite end of said load frame from said elevating head.

In testimony whereof, I hereunto set my hand. I

, GEORGE W. CLAUSING.

and thrust means between said track and said load frame for holding said load frame horizontally supported. y I

8. In a tram rail system, an overhead track, a hoist suspended below said track and comprising a roller frame below said track, a load frame comprising a horizontal beam extending parallel to saidtrack when the hoist is in use and pivoted closely adj acent to and below said roller frame for complete rotation in a horizontal plane, an elevating head adjacent one end of said load frame, and means for normally supporting said elevating head so that it projects upwardly from the load frame with its upper end above the bottom of said track during effective use, and cable guiding means at the upper end of'said elevating head. a V

9. In a tram rail system, an overhead track, a hoist frame movable along and suspended below said track for complete rotation'in a horizontal plane, an elevating head on said hoist frame comprising a pair of beams one on each side ofsaid track, cable guiding means at the upper ends of said beams, means for normally supporting said elevating head so that it projects upwardly from the hoist frame with its upper end above

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