US1369844A - Loading device - Google Patents

Description

I. H. SCHWAMB.

LOADING'DEVICE.

APPLICATION FILED AUG-14, 1919.

Biptented Mar. 1, 1921.

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LOADING DEVIC E.

APPLICATION FILED AUG-14, 1919.

1,369,844. Patented Mar. 1,1921.

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LOADING DEVICE.

APPLICATION FILED AUG.I4, 1919.

Patented Mar. 1, 1921.

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JOSEPH H. SCHWAMB, or NEVADA, MISSOURI.

LOADING DEVICE.

,. Specification of Letters Patent.

Patented Mar. 1, 1921.

Application filed August 14, 1919. Serial No. 317,536.

- and I do declare the following to be a full,

clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.

My invention relates to improvements in loading devices and more particularly to devices of this class intended principally for loading logs, poles, timbers and the like. 7

The object of the invention is to provide a comparatively simple and inexpensive, yet an eiiicient and reliable device whereby the log or the like may be moved upwardly along a pair of skids by lifting first one end of the log and then the other.

With the foregoing in view, the invention resides in the novel construction and arrangement of parts hereinafter fully described and claimed, the descriptive matter being supplemented by the accompanying drawings.

Figure 1 is a top plan view of a loading device constructed in accordance with my invention, showing a portion of the timber thereon in dotted lines.

Fig. 2 is a vertical section on the plane indicated by line 2-2 of Fig. 1.

Fig. ,3 is an enlarged longitudinal section on the'plane indicated by line3-3 of Fig. 4.

Fig. 4 is an enlarged plan view of one of the skids and the slide thereon.

Fig. 5 is a longitudinal section on the plane indicated by line 5-5 of Fig. 4.

Fig. 6 is a vertical transverse section on the plane of line 6-6 of Fig. 3.

Fig. 7 is a view similar to Fig. 1 but illustrating a simplified form of loading device.

Fig. 8 is a vertical section on the plane of line 88 of Fig. 7.

Fig. 9 is a fragmentary perspective view of one of the skids shown in Figs. 7 and 8.

In carrying out my invention, I provide a pair of skids adapted to incline upwardly to a wagon, bobsled, railway car or the like, provide a slide on each skid, employ suitable means for attaching the log, timber or the like to both slides, and provide means to prevent downward shifting of either slide, while permitting free upward sliding thereof. By this construction, it is an easy matter to load exceedingly heavy logs and the like by balancing the same on the slides and raising first one and then the other. Each time the log is thus canted, one of the slides moves upwardly along its respective skid and is held in its advanced position, and repeated shifting of the log will thus advance the same to the upper ends of the skids.

In the preferred embodiment of my invention, I provide a pair of wooden skids 1 having vertical longitudinal ribs 2 secured centrally to their upper sides by bolts or the like 3, the opposite sides of said ribs being provided with outstanding longitudinal rack bars 4 vwhose teeth 5 are disposed upwardly. The two skids may well be connected by pipes or other tie bars '6 and in most instances will be equipped with hooks 7 at their upper ends for engagement with the wagon or other carrier to be loaded.

Mounted on each of the skids, is a slide 8, each slide having at its lower side a longitudinal channel 9 receiving the ribs 2 and the rack bars 4. Suitable plates 10 ars secured to the lower side of each slide and extend under the rack bars 4 to prevent accidental. displacement of the slides. Pivoted dogs 11 are mounted in suitable recesses 12 in the slides 8 and coact with rack teeth 5 to hold said slides in any position to which they are shifted. As shown in Figs. 3 and 4, I prefer to provide each dog'll with an arm 13 having a weight 14, the arms and weights serving to properly apply the dogs to the rack bars.

Pivoted in or secured tothe upper side of each slide 8 is an arm 15 adapted to be swung upwardly to form an abutment to support a log or timber 16 as shown clearly in Fig. 2. A brace 17 is provided for each arm 15, the upper end of said brace being pivoted to the arm at 18, while its lower end is adapted to bear against a shoulder 19 with which the slide is provided. By pivoting the arm and brace in the manner shown, they may be folded downwardly against the slide as indicated in Fig. 5, when the device is to be carried from place to place, but it, will be understood that in some forms of the device, the'abutment for the log or other object'need not be pivoted.

Any preferred means may be employed for securing the log or the like 16 to the slides 8, but in most instances I will provide chains 20 secured at one end to the to be hooked over suitable hooks 21 with which said slides are provided.

In operation, the two skids are inclined upwardly to the wagon or other carrier to be load-ed, and by releasing the'dogs 11,

the slides 8 are shifted to the lower ends of said skids. By the use of cant hooks or the like, the log or other object 16 is now positioned at the upper ends of the slides and held in place by the arms 15, which arms normally lie flat upon the slides to permit ii'ee rolling of the log or the like thereover. The log is substantially balanced and by raising first one end thereof and then the other, the slides 8 will be advanced alongthe tracks in a step by step manner. During this operation, the dogs 11 and rack bars 4 hold the slides in all positions to which they are shifted.

In Figs. 7, 8 and 9 l have shown a simplitied form of construction, in which two wooden skids 25 are employed connected by transverse bars 26 which may well be in the form of pipes sliding through openings in the skids. are preferably beveled as shown and their upper ends are equipped with suitable hooks 27 to support the skids on'a wagon or the like. The upper edges of the skids 25 are notched to provide V-shaped teeth 28 which are of approximately the shape of saw teeth. each tooth being provided with a front end 29 at approximately right angles to the length of the skids, and with an oblique rear end 80.

The lower ends of the skids my hand.

timbers and the like, may be rapidly and easily loaded with the device with less hands than are usually necessary for rolling the logs up the skids by means of cant hooks.

Since probably the best results may be obtained from the several details disclosed, they may wgll be followed, but within the scope of the invention as claimed, numerous minor changes may be made, and it is to be understood that the present disclosure is for illustrative purposes only. 4

I claim:

1. In a device of the character described, a pair of skids adapted to incline upwardly to a wagon or other carrier, the upper side of each skid having a central longitudinal rib provided on each side With a longitudinal rack bar, a pair of slides slidably contacting with the upper sides of said ribs and having channels in their lower sides receiving said ribs and rack bars, said slides having inwardly extending plates sliding; under said rack bars, and dogs carried by said slides and coactingwith said. rack bars to hold the slides against downward movement along the skids.

2. In a device of the character described, a pair of skids adapted to incline upwardly to a wagon or other carrier, a pair of slides mounted one on each of said skids, means for holding said slides against downward movement along said skids, proj-ectable and retractable abutments carried by said slides to support a log or other object thereon, and means for securing the log or other object to said slides.

3. A structure as specified in claim 2, said abutments consisting of arms pivoted to said slides and adapted to swing downwardly against them or upwardly at an angle thereto, and braces pivoted to said arms for bolding them in extended position.

In testimony whereof I have hereunto set JOSEPH n. scnwAMe.

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