US263367A - Carriage-jack - Google Patents
Carriage-jack Download PDFInfo
- Publication number
- US263367A US263367A US263367DA US263367A US 263367 A US263367 A US 263367A US 263367D A US263367D A US 263367DA US 263367 A US263367 A US 263367A
- Authority
- US
- United States
- Prior art keywords
- plate
- lift
- rack
- bar
- carriage
- 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
- 239000002023 wood Substances 0.000 description 10
- 239000002184 metal Substances 0.000 description 4
- 241000306729 Ligur Species 0.000 description 2
- 239000005018 casein Substances 0.000 description 2
- 235000021240 caseins Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000003028 elevating 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
- B66F15/00—Crowbars or levers
Definitions
- Figure 1 is a perspective view of my invention
- Fig. 2 a detail view of the rack-plate
- Fig. 3 a cross-section of the rack-plate and lil't.
- rIhis invention relates to that class of lifting-jacks provided with a metal rack-plate secured to the elevating bar or lift; and the obzo ject of the present invention is to provide such plate to the lift.
- the invention therefore consists in forming the rack-plate with a recess or groove upon its ullder side to form flanges, which embrace the sides of the bar or lift, and thereby prevent the splitting of the wood by the lateral stain upon the screws holding the plate thereto.
- A replesents the lift, made of wood, having secured to its upper face a metallic rack-plate, B, recessed or grooved upon its under side to form tlan ges a, which embrace the sides of the said lit't to prevent the wood from splitting by the lateral strain upon the screws fastening the
- This lift A is secured between standards C by means of a-pivot, b, and is connected to the lever D by means of alink,
- the lift provided with the rack plate, is placed under the axle of a wagon or carriage, and the same lifted by bearing down upon the ever.
- a lifting-jack having the usual standards and pivoted operating-lever
- the combination with the bar or lift A, connected to said lever by pivotal link E, ot' the metal rack-plate B, recessed or grooved upon its under side to form tlanges a for embracing the sides ofthe bar or lit't, and secured thereto by screws or other like fas'tenings, substantially as and for the purpose set forth.
Description
UNITED STATES PATENT OEElcE.
HENRY C. TORREY, OF CENTRAL VILLAGE, CONNECTICUT.
CARRIAG E-JAC K.
SPECIFICATION forming part of Letters Patent No. 263,367, dated August 29, 1882. Application nled April 21, lesa. (No model.)
To all whom it may concern Beit known thatI, HENRYG. TORREY, a citizen of the United States, residing at Central Village, in the county of Windham and State of Connecticut, have invented certain new alld useful Improvements ill Carriage-Jacks; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the annexed drawings, making a part of this specification, and to tlle letters and ligures of reference marked thereon.
Figure 1 is a perspective view of my invention; Fig. 2, a detail view of the rack-plate, and Fig. 3 a cross-section of the rack-plate and lil't.
rIhis invention relates to that class of lifting-jacks provided with a metal rack-plate secured to the elevating bar or lift; and the obzo ject of the present invention is to provide such plate to the lift.
a bar or lift with a rack-plate that will fit thereon in such a manner as Vto prevent the wood composing the said bar or lift from heconling split by lateral strain upon the fastening-screws, it being usual to have the under surface ot the plate perfectly tlat and secured upon the top edge of the bar or lift by screws.
The invention therefore consists in forming the rack-plate with a recess or groove upon its ullder side to form flanges, which embrace the sides of the bar or lift, and thereby prevent the splitting of the wood by the lateral stain upon the screws holding the plate thereto. These objects I attain by the construction substantially as shown in the drawings and hereinafter described.
Ill the accompanying drawings, A replesents the lift, made of wood, having secured to its upper face a metallic rack-plate, B, recessed or grooved upon its under side to form tlan ges a, which embrace the sides of the said lit't to prevent the wood from splitting by the lateral strain upon the screws fastening the This lift A is secured between standards C by means of a-pivot, b, and is connected to the lever D by means of alink,
E, formed of two pieces, one on each side of theleverand lift, and secured thereto by means of pivots c d, the said lever being pivoted to and operating between the standards C. The standards are riveted to a base, F, and held in position by a brace, Gr, secured to the said base and riveted between the standards by a bolt or rivet, f.
The lift, provided with the rack plate, is placed under the axle of a wagon or carriage, and the same lifted by bearing down upon the ever.
Although I have shown the rack-plate as being concave upon its under side, the same may be made with vertical anges depending from the sides ot the plate to embrace the sides ot' the bar or lift without departing from the spiritl of my invention.
It will be readily seen that by having the rack-plate formed with langes to lit upon the sides of the wooden bar or lit't, that when the said plate is screwed thereto the anges will prevent the wood from becoming split by lateral strain upon the screws, as is often the casein lifting-jacks composed of a iiat plate screwed to the top of the lift.
Having now fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-
In a lifting-jack having the usual standards and pivoted operating-lever, the combination, with the bar or lift A, connected to said lever by pivotal link E, ot' the metal rack-plate B, recessed or grooved upon its under side to form tlanges a for embracing the sides ofthe bar or lit't, and secured thereto by screws or other like fas'tenings, substantially as and for the purpose set forth.
In testimony that I clailn the above I have hereunto subscribed my name in the presence of two witnesses.
HENRY C. TORREY.
Witnesses CHARLES E. BARBER, 2d, SEssroNs L. ADAMS.
Publications (1)
Publication Number | Publication Date |
---|---|
US263367A true US263367A (en) | 1882-08-29 |
Family
ID=2332643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US263367D Expired - Lifetime US263367A (en) | Carriage-jack |
Country Status (1)
Country | Link |
---|---|
US (1) | US263367A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2570941A (en) * | 1949-04-13 | 1951-10-09 | American Paper Co Inc | Mechanical lifting device |
-
0
- US US263367D patent/US263367A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2570941A (en) * | 1949-04-13 | 1951-10-09 | American Paper Co Inc | Mechanical lifting device |
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