US2092921A - Hoist - Google Patents

Description

Sept. 14, 193 7.

J. J. KALMON HOIST Filed March 25, 1957 5 Shee cs-Sheet l Inventor Jaiepiz J 1622; arz,

Attorneys 7 Sept. 14, 1937. J. J. KALMON 2,092,921

HOIST Filed March 25, 1937 5 Sheets-Sheet 2 Inventor 'Aiiorneys J. J. KALMON 2,092,921

HOIST Filed March 25, 1957 5 Sheets-Sheet 3 Sept. 14, 1937.

Inventor A iiorneys WU w 270567127 Jfi'aZzrza-iz,

By @Maaifia Se t. 14, 1937. J. J. KALMON 2,092,921

HOIST I Filed March 25, 1937 5 Sheets-Sheet 5 7/ b 66 Inventor Jase M J/f'aZmm Patented Sept. 14, 1931 UNITED bTA'lES PATENT OFFICE HOIST Joseph J. Kalmon, Medford, Wis. Application March 25 1937, Serial No. 133,076

4 Claims This invention is a hoist, and an object of the invention is to provide a hoist particularly designed for handling a dough trough to the end that the trough may be raised, lowered and tilted for dumping purposes as founddesirable and with facility.

The invention together with its objects and advantages will be best understood from a study of the following description taken in connection with the accompanying drawings wherein:-

Figure l is a side elevational view of a hoist embodying the features of the present invention.

Figure 2 is a top plan View of the hoist.

Figures 3, 4, and 5 are detail sectional views taken substantially on the lines 3-3, 4-4, and

55 respectively of Figure 2.

Figures 6, 7, and 8 are detail sectional views taken substantially on the lines 6-45, 1-1, and 8-8 respectively of Figure 1.

Figure 9 is an end elevational view of a dough trough and Figure 10 is a fragmentary side elevational view of the dough trough. I

Referring to the drawings by reference numerals it will be seen that 6 indicates a rail in the form of an I-beam suspended from a ceiling or other suitable support. Movable along the rail 5 is a carriage 6 that comprises a pair of spaced parallel angle bars 1 secured together at their ends through the medium of U-shaped brackets 8. Brackets 8 are equipped with bearings 9 in. which are journaled the axles ID of bearing equipped flanged rollers I I that ride on the lowe flange of the I-beam rail 5.

An annular track I2 of angle iron is welded or' otherwise secured to or made permanent with the lower portion of the brackets 8 at diametrically opposite points on the track.

It will thus be seen that the track l2 will move with the carriage 6 lengthwise of the rail 5.

The track I2 is reinforced through the medium of a pair of spaced parallel angle bars l3, and secured between the angle bars l3 intermediate the ends of said bars is a block l4 through which extends a king pin l5 about which rotates as an.

axis a hoist frame indicated generally by the 55 at their ends through the of brackets in which are journaled the axles 2| of rollers 22' that ride on the annular track [2 as clearly shown. Thus it will be seen that the frame I6 is supported to revolve inthe arch of a circle sothat said frame is so supported as to be 5 shifted longitudinally relative to the rail 5 and to be rotated in a horizontal plane to any desired position of adjustment.

Suspended from the bars II of frame l6 at opposite ends of the latter are bearing arms 23, 10 24 which support a hoisting shaft 25.

On one end of the shaft 25 is a short tubular shaft 26 (see Figure 3) that is equipped at one end witha pulley 21 adapted to accommodate a drive belt or the like whereby drive from a 15 source of power is transmitted to the shaft 26 and through the medium of a clutch device hereinafter more fully referred to to the shaft 25 for driving the latter.

Secured to one end of shaft 25 to rotate there- 20 with is a drum 28 on which is windable a cable 29 that is trained over a sheave 30 suitably mounted on the ,bale 3| of a dough trough 32 hereinafter more fully referred to. At its free end the cabl. 29 is secured to the lower end of 25 the bearing member 24 as clearly shown in Figure 1.

Fixed on shaft 26 is a drum 33 on which is windable a cable 34. Cable 34 is also trained over a sheave 35 suitably provided on the aforemen- 30 tioned bale 3| of dough trough 32 and at its free end cable 34 is" suitably anchored to the lower end of the bearing member 23 as also showniin Figure 1.

Also-mounted on shaft 25 to rotate with said 35 shaft and to slide axially of the shaft is a clutch collar 36 which at one end is provided with pins 31 adapted to be engaged in sockets provided therefor and indicated by the reference numeral 38 and which sockets are provided in one flange 40 of the drum 33. It will thus be seen that when clutch pins 31 are engaged in sockets 38 drive will be transmitted from the shaft 26 tothe shaft 25 so that both of the drums 33 and 28 will revolve for winding the cables 34 and 29 thereon 45 or paying out said cables as found desirable for raising or lowering the trough 32.

When, however, it is desired to incline the trough 32 so that the contents of the trough will drain therefrom through an opening provided in one end of the trough clutch 36 is shifted so as to disengage the pins 31 fromthe sockets 38 with the result that there will be no transmission of the cable 34 will be wound on the drum 33 to raise one end of the trough 32.

To secure shaft 25 against rotation when it is desired to tilt the trough 32 in the manner just explained there are provided in one end of the clutch collar 36 sockets 39 that engage pins 46 provided on a bearing member 4| suspended from the frame bars I! in suitable proximity to the bearing member 23.

For shifting the clutch collar 36 there is provided a rod 42 that has the opposite ends thereof slidably supported in openings provided therefor in the bearing members 23 and 4|. Secured on the rod 42 is the head 43 of a fork 44 that straddles the clutch collar 36 and en ages in the groove 45 provided in the periphery of the clutch collar.

' A lever 46 is pivoted as at 41 to a horizontal bar 48 that connects the lower ends of the bearing members 23 and 4|, and at one end thereof lever 46 has a pin and slot connection. 43 with the aforementioned head 43 of fork 44. Suitably connected to the free end of the lever 46 is a pull handle 50. It will thus be seen that by rocking the lever 46 in one direction clutch collar 36 will be moved in a direction to engage pins 31 with sockets 38 to place the shaft 25 in driven engagement with the drum 33, while the rocking movement of the lever 46 in an opposite direction will shift the collar 36 in a direction to engage the socket 39 with the pins 40 whereupon clutch collar 36 and shaft 25 are positively secured against rotation.

For securing the clutch collar 36 at either of the two positions mentioned, rod 42 adjacent one end thereof is provided with a pair of spaced notches 52 with which cooperate a spring pressed detent 53 suitably provided as at 54 on the bearing member 4|. Thus it will be seen that detent 53 will engage a selected notch 52 as the clutch collar 36 moves to its selected position of adjustment to thereby hold said collar at said position of adjustment.

To secure the suspended trough 32 at the desired position of adjustment there is mounted on the shaft 26 to turn therewith a ratchet wheel 55 with which is cooperable a dog 56 pivoted as at 51 on the bearing member 231 and provided with a pull rod 58.

Also for bracing the annular track l2 relative to the I-beam rail 5 said track l2 has extending inwardly and upwardly from diametrically opposite points thereon braces 58 which at their upper ends are secured to the inwardly directed ends of a U-shaped member 60 that straddles the I-beam rail 5 as shown in Figure 5. At said upper ends of the sides of the U-member 60 and the braces 3 there are provided rollers 6| that have bearing engagement with the chamfered faces 62 provided for the web of the I-beam 5 where said web joins the top flange of the I-beam. At the closed end of the U 66 said U-shaped member 60 is riveted or otherwise secured to the carriage bars I.

From the foregoing it will be apparent that when it is desired to shift the: trough 32 toward either end of the rail 5 carriage 6 is moved along the rail and when it is desired to swing the trough 32 either to the right or left the hoist frame I 6 swings about the pivot l5.

one end wall thereof with an opening through which the contents of the trough discharges, and for this opening there is provided a door 63 hinged as at 64.

For the door 63 there is provided a latch bolt 65 mounted on the door and adapted to engage with a keeper plate 66 mounted on the bottom of the trough 32. v

For the bolt 65 there is provided an operatin handle 61 made integral with or secured to an intermediate portion of a rod 68 supported in bearings 69 provided therefore on the door 63. The operating handle 61 is connected with the bolt 65 through the medium of a link 10.

At its relatively opposite ends the rod 68 is provided with cranks 1| that engage under keeper lugs I2 provided therefor at opposite sides of the trough in a manner to frictionally retain the shaft 68 against casual rocking movement.

It is thought that a clear understanding of the construction, utility and advantages of an invention of this character will be had without a more detailed description.

.Having thus described the invention, what is claimed as new is:--

1. A device for handling dough troughs comprising a rail, a carriage movable along said rail and including an elongated body part, uprights connected with intermediate portions of the body part, an annular track carried by said carriage, brace members connected to diametrically oppositepoints of the annular track and extending inwardly and upwardly and having their inner ends connected with the upright members of the carriage and rollers carried by the inner ends of said brace members and engaging parts of the rail, a hoist frame mounted to swing in a'horizontal plane and equipped with rollers riding on said track, a shaft journaled in said frame, drums on said shaft, a dough trough, and suspension cables for said dough trough windable on said drums.

2. A device for handling dough troughs comprising a rail, a carriage movable along said rail, an annular track carried by said carriage, a bearing block supported at the center of said track, a hoist frame rotatably suspended from said block to swing in a horizontal plane and equipped with rollers riding on said track, a shaft journaled in said frame a drum mounted on said shaft to rotate therewith, a second drum loose on said shaft, driving means connected with said second drum, clutch means for placing the second drum into and out of driving engagement with said shaft, a dough trough, and suspension cables for said dough trough windable on said drums whereby said dough trough may be raised or lowered and one end of said dough trough raised for emptying the dough trough of its contents.

3. A device for handling dough troughs comprising a rail, a carriage movable along said rail, an annular track carried by said carriage, a hoist frame mounted to swing in a horiontal plane and equipped with rollers riding on said track, a shaft journaled in said frame, a drum mounted on said shaft to rotate therewith, a second drum loose on said shaft, driving means connected with said second drum, clutch means for placing the second drum into and out of driving engagement with said shaft, a dough trough, and suspension cables for said dough trough windable on said drums whereby said dough trough may be raised or lowered and one end of said dough trough raised for emptying the dough trough of its contents, a ratchet wheel associated with the second drum, and a dog mounted on .said frame and engaging said ratchet, wheel to secure said second drum against rotation and the dough trough in a desired position of suspension.

4. A device for handling dough troughs comprising a rail, a carriage movable along said rail,

I an annular track carried by said carriage, a hoist frame mounted to swing in a horizontal plane and equipped with rollers riding on said track, a shaft journaled in said frame, a drum mounted on said shaft to rotate therewith, a second drum loose on said shaft, driving means connected with said second drum, clutch means for placing the second drum into and out of driving engagement with said shaft, a dough trough. and suspension cables for said dough trough wlndable on said drums whereby said dough trough may be raised or lowered and one end of said dough trough raised for emptying the dough trough of its contents, a ratchet wheel associated with the second drum, a dog mounted on said frame and engaging said ratchet wheel to secure said second drum against rotation and the dough trough in a desired position or suspension, and operating means for said clutch including means for securing said clutch in either an engaged or disengaged position, optionally.

JOSEPH J. KALMON.

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