US75134A - Improved lifting-jack and spike-extbaotoe - Google Patents
Improved lifting-jack and spike-extbaotoe Download PDFInfo
- Publication number
- US75134A US75134A US75134DA US75134A US 75134 A US75134 A US 75134A US 75134D A US75134D A US 75134DA US 75134 A US75134 A US 75134A
- Authority
- US
- United States
- Prior art keywords
- spike
- jack
- extbaotoe
- improved lifting
- ratchet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 210000000078 Claw Anatomy 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000036633 rest Effects 0.000 description 4
- 229910001369 Brass Inorganic materials 0.000 description 2
- 235000013382 Morus laevigata Nutrition 0.000 description 2
- 244000278455 Morus laevigata Species 0.000 description 2
- 239000010951 brass Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000000284 resting Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
- B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
- B66F1/04—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed
- B66F1/06—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the posts being toothed and the devices being actuated mechanically
Definitions
- a pawl, I operated by a spring, z', also engages with the ratchet, and prevents its falling back when raised;
- the lower end of thc ratchet-rod F' is fashioned into a socket, which receives and holds the upper end of the grapnel or claw, which takes hold of the spike or timber to be raised.
- There are several forms of the grapnehone for raisingtimber being shown at J'in the shape of a hook with broad-serrated edge; another for drawing spikes being shown in iig. 4, provided with a ret-ess m, to receive the head of the spike; and still another, n, -for thc same purpose, being shown in fig. 2, providedwith an aperture entirely through it to hold the head of the spike. Either may be used, as occasion requires. They are all hinged to the lower end ot' the ratchet-rod, so as to swing freely back and forth.
- the claw o at the end of the lever G, which engages with thc teeth ofthe ratchet, is of peculiar shape, being convex on its under side and concave on its upper.
- the teeth e e are concave both on their upper and under sides, and are of such dimensions that the concavity of their upper side is illed by the eonvexity of thc under side of the lever-claw, which lits int-o them accurately, as shown in ig. 3.
- the lever is more easily operated, the claw working smoothly againstthe teeth and pressing:r the rockingfulcruin back easily to allow the lever to take hold anew in a lower tooth of" the ratchet.
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
Description
@uitrit tutes @anni lffies.
Letters Patent No. 75,134, dated March 3, 1868.
IMPROVED LIFTING-t-TAGK AND SPIKE-EXTRACTOB..
dlp rlgehirlt prima tu im tigen etters tteut mit netting peut nt ligt time.
TO ALL (HQM yIT MAY QONCERN:
Beit known that I, JOSEPH DOUGLASS, of McConnellst-own, inthe county of Huntingdon', and Stato of' Pennsylvania, have invented a new and improved Railroad-Spike Extractor and Jack.; and I do hereby declare the following to.be a'. full, clear,'and exact description of the same, sufficient to enable those skilled in the art to which my invention appertuins to make use of it. reference being had to the accompanying drawings forming part of.. this specication, in which- Figure l'i's a perspective view.
Figure 2, a front elevation.
Figure 3, a vertical longitudinal section through 4the centre; and
E igure 4,`a detached view of the grapplingclaw.
This invention is a simple, compact, and powerful device for extracting spikes from timber, combined with an apparatus which renders the instrument useful for raising ties, rails, and other heavy articles, from the ground. l
In the drawings, A is a removable buse in the form of a stout bench, having twovertcal wooden lugs A A', two vertical metallic cleats a a, `by which the upper portion of the body ci' the instrument is held in position when resting on the base, and between the .wooden lugs'a deep gain, a', in which the grapnel works up and down. This base is not shown in figs. 2, 3, and 4, the instrument being there represented as when used without the base. Upon this base rests a stout wpodcn post, B, chambered at C to admit the mechanism hereafter? described, and provided with a vertical groove in its front side, in which playstlio ratchet-rod that carries the grapnel, andl with a'longitudinal passage or slot through itat the bottom, as shown at c, fig. 2,-through which access may be had from the rear side of the instrument tothe space enclosed between the upright wooden lugs A A. This post is bound with brass or iron at D D to prevent;` its splitting, and is provided with a supplenientary brace or leg, E, on the front side, which is 'useless when the apparatus rests on -the base, A, but when it does not rest on the base, as in figs. 2 and 3, supports its front side. F is a.A vertically-sliding rod', workingr in the front groove of the post B, and provided on its rear side with a series of ratchet-teeth, e c e e, of the peculiar forni shown in figs. and 3, by which it is raised by abend-lever, G, working ona rocki-ng-i'ulerum, H. The lever is pressed against the ratchet by a spring, s, operating against the fulcrnm. A pawl, I, operated by a spring, z', also engages with the ratchet, and prevents its falling back when raised; `The lower end of thc ratchet-rod F' is fashioned into a socket, which receives and holds the upper end of the grapnel or claw, which takes hold of the spike or timber to be raised. There are several forms of the grapnehone for raisingtimber being shown at J'in the shape of a hook with broad-serrated edge; another for drawing spikes being shown in iig. 4, provided with a ret-ess m, to receive the head of the spike; and still another, n, -for thc same purpose, being shown in fig. 2, providedwith an aperture entirely through it to hold the head of the spike. Either may be used, as occasion requires. They are all hinged to the lower end ot' the ratchet-rod, so as to swing freely back and forth.
It will be observed that the claw o, at the end of the lever G, which engages with thc teeth ofthe ratchet, is of peculiar shape, being convex on its under side and concave on its upper. The teeth e e are concave both on their upper and under sides, and are of such dimensions that the concavity of their upper side is illed by the eonvexity of thc under side of the lever-claw, which lits int-o them accurately, as shown in ig. 3. By this means the lever is more easily operated, the claw working smoothly againstthe teeth and pressing:r the rockingfulcruin back easily to allow the lever to take hold anew in a lower tooth of" the ratchet.- I
For the purpose of lifting the ends of ties to level the road, the apparatus is used with the base, A, and hook J, as shown in iig. l. For drawing spikes, the base is rcmoved, and the form of grapnel shown in figs. 2 or 4 is used. The apparatus then is worked as illustrated by figs. 2 and 3.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
1. The removable base A, in combination with the post B, when used in alifting-jack or device for extracting spikes, substantially as and for the purposes specified. i
2. The hook J, with broad serrated edge, as and for thc purpose set forth.
3. The combination of the rod F, lever G, rocking-fulcrum H, spring s, pawl I, and spring z', substantially as and for the purpose set forth.
Witnesses J. E. SML'CKEE, PETER Swoorn JOSEPH DoUeLAss.n
Publications (1)
Publication Number | Publication Date |
---|---|
US75134A true US75134A (en) | 1868-03-03 |
Family
ID=2144641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US75134D Expired - Lifetime US75134A (en) | Improved lifting-jack and spike-extbaotoe |
Country Status (1)
Country | Link |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2797889A (en) * | 1953-11-04 | 1957-07-02 | Nordberg Manufacturing Co | Hydraulic spike puller |
-
0
- US US75134D patent/US75134A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2797889A (en) * | 1953-11-04 | 1957-07-02 | Nordberg Manufacturing Co | Hydraulic spike puller |
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