US376442A - Vehicle-spring - Google Patents
Vehicle-spring Download PDFInfo
- Publication number
- US376442A US376442A US376442DA US376442A US 376442 A US376442 A US 376442A US 376442D A US376442D A US 376442DA US 376442 A US376442 A US 376442A
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- US
- United States
- Prior art keywords
- bars
- secured
- spring
- vehicle
- springs
- 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
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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
- B60G11/18—Resilient suspensions characterised by arrangement, location or kind of springs having torsion-bar springs only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/14—Plastic spring, e.g. rubber
- B60G2202/142—Plastic spring, e.g. rubber subjected to shear, e.g. Neidhart type
- B60G2202/1424—Torsional
Definitions
- Figure l is a top plan view of the body and part of the under work of a buggy with my ink vention thereto applied, a portion of the floor of the body being broken away to show the parts below it.
- Fig. 2 is a detached top plan view of a portion of one of my springs.
- Fig. 3 is a sectional elevation, the section being vertical and taken on line X, Fig. 1, through the near spring, and the elevation showing that position of the spring to the right of said line.
- My invention relates to combined torsion and arm springs; and it consists in features of novelty hereinafter fullydescribed, and pointed out in the claims.
- a represents the rear axle
- b a semi-elliptic spring secured at its lineal center to the axle.
- o is the front axle, and d a spring like b, and which at its center is secured to the usual headblock that is secured to and rests upon the axle.
- a pair of side bars, 6 e, are shown with their ends secured to the ends of springs b d.
- the walls of the body are shown atf and its floor at g, and partially broken away, as stated.
- Two flat longitudinal bars, h h, of tempered steel, are secured to the under side'of the body by being clamped to bar 2' (secured to the under side of the body) at apoint distant from their rear end about two-fifths of their'length, and also by the pivots is upon their respective ends, which are journaledin boxes Z, which are secured to bars j, also secured to the under side of the body.
- To the respective ends of bars h are bolted and clamped the arm-springs m, shown as formed with leaves 1 2 3 of springsteel, the outer end of the main or lower leaf,
- the arm-springs m in addi- 5 tion to their elastic yielding action, will by their twisting action upon bars h h economize or racked, in a manner-equally well known to that shown in the drawings.
- the arm-springs m by reason of their elasticity and their compound curve, will, when (by the roughness of the way or other causes) greater force is applied to them, be shortened by the increased curve of the thin outer end more than they will be lengthened by the straightening of the curve at the thicker end thereof, and hence the lateral thrust which accrued when rigid arms were employed is obviated, and the body moves up and down, carrying the torsionbars past the line of the side bars without thrusting the latter apart, as occurred with the portion in front of the clamp, thereby causing the body to maintain a level position both when empty and when loaded, as the center of gravity of the weight of the occupants is, as in all lightvehicles, considerablyin rear of the lineal center of the body, and hence the advantage of having the rear arms of bars it less yielding than their front arms.
- a side-bar vehicle the combination of two elastic metallic bars of flattened cross-section arranged lengthwise of the body, and at both their respective ends pivotall y connected therewith, and at a point between their ends rigidly secured to the body, and an arm at each end of said bars rigidly secured thereto and pivotally connected with the side bars, substantially as specified.
- the longitudinal torsion-bars h, pivoted at their respective ends, and having at each end an arm rigidly connected to them and pivotally connected with the side bars, said torsion-bars being rigidly secured to the. body at a point in rear of their lineal center, substantially as for the purpose specified.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Description
(No Model.)
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VEHICLE SPRING.
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UNITED STATES PATENT OFFIC JOSEPH R. LOCKE, OF AMESBURY, MASSACHUSETTS.
VEHICLE-SPRING.
SPECIFICATION forming part of Letters Patent No. 376,442, dated January 1'7, 132 8.
Application filed September 14, 1885. Serial No. 177,018. (No model.)
To all whom it may concern.-
Be it known that I, JosEPE. R. LOCKE, of Amesbury, in the county of Essex and State of Massachusetts, have invented anew and useful Improvement in Vehicle-Springs, which will, in connection with the accompanying drawings, be hereinafter fully described, and specifically defined in the appended claims.
Figure l is a top plan view of the body and part of the under work of a buggy with my ink vention thereto applied, a portion of the floor of the body being broken away to show the parts below it. Fig. 2 is a detached top plan view of a portion of one of my springs. Fig. 3is a sectional elevation, the section being vertical and taken on line X, Fig. 1, through the near spring, and the elevation showing that position of the spring to the right of said line.
My invention relates to combined torsion and arm springs; and it consists in features of novelty hereinafter fullydescribed, and pointed out in the claims.
Referring to the drawings, a represents the rear axle, and b a semi-elliptic spring secured at its lineal center to the axle.
o is the front axle, and d a spring like b, and which at its center is secured to the usual headblock that is secured to and rests upon the axle. A pair of side bars, 6 e, are shown with their ends secured to the ends of springs b d.
The walls of the body are shown atf and its floor at g, and partially broken away, as stated. Two flat longitudinal bars, h h, of tempered steel, are secured to the under side'of the body by being clamped to bar 2' (secured to the under side of the body) at apoint distant from their rear end about two-fifths of their'length, and also by the pivots is upon their respective ends, which are journaledin boxes Z, which are secured to bars j, also secured to the under side of the body. To the respective ends of bars h are bolted and clamped the arm-springs m, shown as formed with leaves 1 2 3 of springsteel, the outer end of the main or lower leaf,
1, being formed with an eye, which receives pivot-bolt q of shackle a, which is secured to bars 6 by clip as shown.
As weight is placed in the body and it is thereby depressed, the arm-springs m, in addi- 5 tion to their elastic yielding action, will by their twisting action upon bars h h economize or racked, in a manner-equally well known to that shown in the drawings.
I am well aware that bars square in cross section have been arranged and secured as are my flat bars h, and that rigid unyielding arms were secured to said square bars and shackled to side bars e,- but, besides the rigidity of the lateral arms and the stiff, jerky, and uncomfortable motion derived from the square torsion-bars, the two constituted a rigid arch when the body was unoccupied and the lateral arms and bars in normal position, and when the body was depressed and said arch thereby reduced the side bars 6 were forced apart laterally at their middle portion, while their ends they require (with the same load) a bar of best spring-steel that is two inches by nine thirtyseconds in crosssection, or more than seventyfive per cent. more metal than in the former case, thus showing that the elasticity of the bar is much more perfectly utilized when flattened than when square. In addition to this, the arm-springs m, by reason of their elasticity and their compound curve, will, when (by the roughness of the way or other causes) greater force is applied to them, be shortened by the increased curve of the thin outer end more than they will be lengthened by the straightening of the curve at the thicker end thereof, and hence the lateral thrust which accrued when rigid arms were employed is obviated, and the body moves up and down, carrying the torsionbars past the line of the side bars without thrusting the latter apart, as occurred with the portion in front of the clamp, thereby causing the body to maintain a level position both when empty and when loaded, as the center of gravity of the weight of the occupants is, as in all lightvehicles, considerablyin rear of the lineal center of the body, and hence the advantage of having the rear arms of bars it less yielding than their front arms.
I claim as my invention- 1. In a side-bar vehicle, the combination of two elastic metallic bars of flattened cross-section arranged lengthwise of the body, and at both their respective ends pivotall y connected therewith, and at a point between their ends rigidly secured to the body, and an arm at each end of said bars rigidly secured thereto and pivotally connected with the side bars, substantially as specified.
2. In a side-bar vehicle, the combination of the flat bars h, pivotally supported at their 20 ends and rigidly secured to the body at a point between their ends, and armsm, rigidly secured to said bars it near their respective ends, and pivotally connected with side bars, e, substantially as specified.
3. In a side-bar vehicle, the longitudinal torsion-bars h, pivoted at their respective ends, and having at each end an arm rigidly connected to them and pivotally connected with the side bars, said torsion-bars being rigidly secured to the. body at a point in rear of their lineal center, substantially as for the purpose specified.
JOSEPH R. LOGKE.
\Vitnesses:
T, \V. PORTER, W. I. ATWOOD.
Publications (1)
Publication Number | Publication Date |
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US376442A true US376442A (en) | 1888-01-17 |
Family
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US376442D Expired - Lifetime US376442A (en) | Vehicle-spring |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090120760A1 (en) * | 2007-11-12 | 2009-05-14 | Anders Sjostrom | Dual use coin deposit and dispensing apparatus |
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0
- US US376442D patent/US376442A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090120760A1 (en) * | 2007-11-12 | 2009-05-14 | Anders Sjostrom | Dual use coin deposit and dispensing apparatus |
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