US1002055A - Vehicle-spring. - Google Patents

Vehicle-spring. Download PDF

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Publication number
US1002055A
US1002055A US57489810A US1910574898A US1002055A US 1002055 A US1002055 A US 1002055A US 57489810 A US57489810 A US 57489810A US 1910574898 A US1910574898 A US 1910574898A US 1002055 A US1002055 A US 1002055A
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United States
Prior art keywords
spring
vehicle
members
resilient members
resiliency
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Expired - Lifetime
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US57489810A
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Andrew R Graves
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    • 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
    • B60G11/04—Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only arranged substantially parallel to the longitudinal axis of the vehicle

Definitions

  • My invention relates to improvements in vehicle springs.
  • the invention has for its object to provide for adding to the strength and durability of the spring while aiding its efficiency and at the same time preserving intact its resiliency and accordingly promoting its utility, which are desiderata especially in this class of devices.
  • the invention has for its further object to guard against the premature breaking and wearing out of the spring, in addition to supplementing its normal or own action with a compensating force, while it is ca pable of ready application and renewal as well as being relatively inexpensive of manufacture.
  • the invention consists of certain features of novelty as relates to its component parts and the assemblage of the latter substantially as hereinafter fully disclosed and defined by the claims.
  • I form the same of duplicate longitudinal resilient members 1, 1 and duplicate transverse or end resilient members 2; each of which members may be considered a spring in itself, being preferably of spring-steel.
  • the resilient members 1 are preferably of arcuate or semi-elliptic general outline, arranged back to back, that is, with their convexities presented toward each other and suitably secured or bolted together centrally, as at 3, in the usual way adopted for that purpose, as well understood.
  • These said longitudinal members are, individually, in general outline as disclosed by the drawing, the upper member, however, being much the thicker or Fig.
  • the lighter or thinner member has in view, primarily, to provide additional tension or resiliency, thus reinforcing or supplementing the tension of the spring proper (1), and is initially drawn taut thereby retarding any excessive recoil of the thicker or main spring in restoring the latter to its initial or normal position when relieved of the load-pressure, while, of course, the resisting action of the spring proper will also be augmented.
  • the transverse or end resilient members 2 are preferably slightly arcuate or curved in contour and effect the coupling together of the longitudinal springs 1, 1*, being suit-- ably shackled thereto in the usual way. It is apparent that the transverse or coupling members 2 will by reason of lightness and resiliency, as well as by their curvature, as pressure is exerted or delivered upon the superposed spring 1, suitably flex under such pressure and accordingly accommodate themselves to the movement of said spring, and also lend further resiliency or tension thereto, and also aid the resisting action of the spring.
  • a vehicle spring including two semielliptic spring members connected back-toback, and curved end resilient members connecting said semi-elliptic springs at their ends.
  • a vehicle-spring comprising semi-ellip tic resilient members, opposed back to back, each being in a single piece having substantially right-lined terminals, the upper member being the heavier, curved or arcuate end resilient members, and shackle-com nections between said semi-elliptic members and said end members.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)

Description

A. RIGRAVES.
VEHICLE SPRING.
APPLICATION FILED AUG. 1, 1910.
1,002,055.- Patented Aug. 29, 1911.
Grier/nu ANDREW R. GRAVES, OF WASHINGTON, DISTRICT OF COLUMBIA.
VEHICLE-SPRING.
Specification of Letters Patent.
Patented Aug. 29, 1911.
Application filed. August 1, 1910. Serial No. 574,898.
To all whom it may concern:
Be it known that I, ANDREW R. GRAVES, citizen of the United States, residing at Washington, in the District of Columbla, have invented certain new and useful Improvements in Vehicle-Springs, of wh ch the following is a specification.
My invention relates to improvements in vehicle springs.
The invention has for its object to provide for adding to the strength and durability of the spring while aiding its efficiency and at the same time preserving intact its resiliency and accordingly promoting its utility, which are desiderata especially in this class of devices.
The invention has for its further object to guard against the premature breaking and wearing out of the spring, in addition to supplementing its normal or own action with a compensating force, while it is ca pable of ready application and renewal as well as being relatively inexpensive of manufacture.
The invention consists of certain features of novelty as relates to its component parts and the assemblage of the latter substantially as hereinafter fully disclosed and defined by the claims.
In the accompanying drawing illustrating the preferred embodiment of my inventionz-Figure 1 is a side elevation thereof as applied to a vehicle axle. plan view of the invention, and Fig. 3 is an end elevation thereof. 7
In carrying out my invention I form the same of duplicate longitudinal resilient members 1, 1 and duplicate transverse or end resilient members 2; each of which members may be considered a spring in itself, being preferably of spring-steel. The resilient members 1 are preferably of arcuate or semi-elliptic general outline, arranged back to back, that is, with their convexities presented toward each other and suitably secured or bolted together centrally, as at 3, in the usual way adopted for that purpose, as well understood. These said longitudinal members are, individually, in general outline as disclosed by the drawing, the upper member, however, being much the thicker or Fig. 2 is a stouter and constituting what may be considered the spring proper (1), the same directly receiving or carrying the load or pressure and practically without the aid of the other or much lighter member (1 in effecting that end. The lighter or thinner member has in view, primarily, to provide additional tension or resiliency, thus reinforcing or supplementing the tension of the spring proper (1), and is initially drawn taut thereby retarding any excessive recoil of the thicker or main spring in restoring the latter to its initial or normal position when relieved of the load-pressure, while, of course, the resisting action of the spring proper will also be augmented.
The transverse or end resilient members 2 are preferably slightly arcuate or curved in contour and effect the coupling together of the longitudinal springs 1, 1*, being suit-- ably shackled thereto in the usual way. It is apparent that the transverse or coupling members 2 will by reason of lightness and resiliency, as well as by their curvature, as pressure is exerted or delivered upon the superposed spring 1, suitably flex under such pressure and accordingly accommodate themselves to the movement of said spring, and also lend further resiliency or tension thereto, and also aid the resisting action of the spring.
I claim 1. A vehicle spring including two semielliptic spring members connected back-toback, and curved end resilient members connecting said semi-elliptic springs at their ends.
2. A vehicle-spring comprising semi-ellip tic resilient members, opposed back to back, each being in a single piece having substantially right-lined terminals, the upper member being the heavier, curved or arcuate end resilient members, and shackle-com nections between said semi-elliptic members and said end members.
In testimony whereof I affix my signature in presence of two witnesses.
ANDREW R. GRAVES.
Witnesses:
J os. M. COLEMAN, W. B. SLACK.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents Washington, D. G.
US57489810A 1910-08-01 1910-08-01 Vehicle-spring. Expired - Lifetime US1002055A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US57489810A US1002055A (en) 1910-08-01 1910-08-01 Vehicle-spring.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US57489810A US1002055A (en) 1910-08-01 1910-08-01 Vehicle-spring.

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US1002055A true US1002055A (en) 1911-08-29

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