US287335A - Crank-plate for bolster-springs - Google Patents
Crank-plate for bolster-springs Download PDFInfo
- Publication number
- US287335A US287335A US287335DA US287335A US 287335 A US287335 A US 287335A US 287335D A US287335D A US 287335DA US 287335 A US287335 A US 287335A
- Authority
- US
- United States
- Prior art keywords
- springs
- crank
- bolster
- plate
- plates
- 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
- 229910000754 Wrought iron Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G11/00—Resilient suspensions characterised by arrangement, location or kind of springs
- B60G11/02—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only
- B60G11/08—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only arranged substantially transverse to the longitudinal axis of the vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Description
(No, Model.)
J. SMITH.
CRANK PLATE FOR BOLSTER SPRINGS.
Patented Oot. 23, 1883.
fleas as NITED STATES PATENT OFFICE.
JOHN SMITH, OF CALDWELL PRAIRIE, WISCONSIN.
CRANK-PLATE FOR BOLSTER-SPRINGS.
SPECIFICATION forming part of Letters Patent No. 287,335, dated October 23, 1883. Application filed May 9, 1883. (No model.)
To an whom it may concern.-
Be it known that I, JOHN SMITH, of Caldwell Prairie, in the county of Racine, and in the State of WVisconsin, have invented certain new and useful Improvements in Crank-Plates for Bolster-Springs; and I do hereby declare that the following is a full, clear, and exact description thereof.
My invention relates to devices for the attachment of bolster-springs in wagons; and it consists in certain peculiarities of construction, as will be particularly set forth hereinafter.
In the drawings, Figure l is a perspective view of a wagon-bolster with its springs attached thereto by means of my device, and Fig. 2 is a like view of the said device alone.
A is a wagon-bolster, and B Bare standards rising from each end.
G O are the springs, and D D are my crankplates, the inner ends of which are bifurcated, and have vertical inner flanges, d d, which receive between them the standards B. These plates are cast with a partly-open horizontal socket, (1, into which is inserted a round wrought-iron rod, which is then bent into the shape shown, forming a double crank, D. The ends of the springs O are then slipped over the ends of the crank-rods D, washers (2 applied, and then the ends of the crank-rods D upset. The crank-plates, withtheir rods and springs attached, can now be slipped down on top of the bolster, the bifurcated ends of the plates receiving the standards, as already stated.
In my drawings I have only shown so much of a wagon as was necessary to illustrate my invention; and it will be understood that bolsters or bed-plates are clipped to the top of the springs G, to supporta wagon-box, or whatever load may be desired to be carried thereby, and that as the weight increases and the springs yield under it they are forced outward, the crank-rods D turning in their sockets, to accommodate the lengthening of the springs, and enable the load to be thereby carried nearer to the axles.
Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-
In combination with a wagon-bolster having uprights or standards at each end, the metallic crank-plates D, cast with partly-open horizontal sockets d, and bifurcated inner ends with vertical inner flanges, d d, adapted to re ceive between their bearing-surfaces the bolster-standards, and the double-crank rods D and springs G, substantially as set forth.
In testimony that I claim the foregoing I have hereunto set my hand, on this 17th day of April, 1883, in the presence of two witnesses.
JOHN SMITH.
Witnesses:
S. S. STOUT, H. G. UNDERWOOD.
Publications (1)
Publication Number | Publication Date |
---|---|
US287335A true US287335A (en) | 1883-10-23 |
Family
ID=2356531
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US287335D Expired - Lifetime US287335A (en) | Crank-plate for bolster-springs |
Country Status (1)
Country | Link |
---|---|
US (1) | US287335A (en) |
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0
- US US287335D patent/US287335A/en not_active Expired - Lifetime
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