US732575A - Carriage-spring. - Google Patents

Carriage-spring. Download PDF

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Publication number
US732575A
US732575A US12587102A US1902125871A US732575A US 732575 A US732575 A US 732575A US 12587102 A US12587102 A US 12587102A US 1902125871 A US1902125871 A US 1902125871A US 732575 A US732575 A US 732575A
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Prior art keywords
spring
center
clamping
bolt
clamp
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US12587102A
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Louis G Mayer
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60GVEHICLE SUSPENSION ARRANGEMENTS
    • B60G11/00Resilient suspensions characterised by arrangement, location or kind of springs
    • B60G11/02Resilient suspensions characterised by arrangement, location or kind of springs having leaf springs only

Definitions

  • My invention relates -to that class of springs known as' elliptic or leaf springs.
  • One of the objects of my invention is to secure the ends of the spring by a clamp applied to the extreme end of the spring-leaf, which clamp rotates on a center to compensate for the endwise movement of the spring as it is elongated by compression.
  • Another object of my invention is to strengthen the construction vof the spring by doing away with the bolt-eyes in the spring, also in so arranging the clamping members so that the holding force is applied to the extreme end of the spring.
  • FIG. 1 is a side elevation of the elliptic spring embodying my improvement.
  • Fig. 2 is a central vertical section with the clamping-bolt shown in elevation.
  • Fig. 3 is a section on line m no, Fig. 2.
  • Fig. 4 is a section through said line am, Fig. 2, with the clamping-boltand spring removed.
  • Fig. is a perspective view of one of theclamps. a modification of Fig. 4.
  • my spring is composed of two equal members, shown in Fig. l; butitis adapted to be used with a single spring member.
  • vA represents the main leaf of the upper Spring member.
  • B represents the inner leaf of the lower member of the spring.
  • C represents the clamping-bolt.
  • D represents a segmental vclamp for secu ring the upper spring member to its center
  • E represents asegmenta-l clamp' for securing.
  • Each clamp is Eig. 6 is' provided with bolt-openings a in the disks or heads b.
  • the heads b of one clamping member are inside of the head b of the' opposite clamping member.
  • the bolt forms the center on which both of these clamping mem bers independently oscillate.
  • clamping members perform the Same office, one for the upper and the other for the lower leaf, and that each one oscillates on its center with its respective spring member, and they each oscillate or rotate in opposite directions. As each clamp moves with its respective spring, it avoids friction and secures ease of motion.
  • the spring membersA B are provided with a lip d to insure positive engagement with its clamping member.
  • each spring when composed of two members is free to move. upon .a common center entirely independent of the other member;
  • the clamping force is applied, preferably, to the outer end of the spring, so that the entire length is free to re- ICO spond to the strains;
  • the spring and clamping members are secured together by the clamping-bolt, which forms the center of the spring and clamps.
  • the clamping-bolt serves as a center for each of the independently-operating clamps and as a common centerfor the twoindependently-acting spring-leaves.

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

Description

` No; 732,575. l PATENTBD JUNE so, 1903. L. G. MAYBB.
GARRIAGBSPRING. APPLICATION FILED 00124, 1902` N0 MODEL.
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' UNITED STATES Patented rune so, 1903.
LOUIS G. MAYER, OF CINCINNATI, OHIO.
CARRIAGE-SPRING.
SPECIFICATION forming part of Letters Patent No. 732,575, dated J' une 30, 1903.
i Application filedV October 4, 1902. Serial No. 125,871. (No model.)l
To all whom it may concern/- Beit known thatI, LoUIs G. MAYER, acitizen of the United States, residing at Cincinnati, in the county of Hamilton and State of Ohio, have invented certain-new and useful Improvements in Carriage-Springs, of which the following is a specification.
My invention relates -to that class of springs known as' elliptic or leaf springs.
One of the objects of my invention is to secure the ends of the spring by a clamp applied to the extreme end of the spring-leaf, which clamp rotates on a center to compensate for the endwise movement of the spring as it is elongated by compression.
Another object of my invention is to strengthen the construction vof the spring by doing away with the bolt-eyes in the spring, also in so arranging the clamping members so that the holding force is applied to the extreme end of the spring. Y
The features of my invention are moreV fully set forth inthe description of the accompanying drawings, forminga part of this specification, in which- Figure 1 is a side elevation of the elliptic spring embodying my improvement. Fig. 2 is a central vertical section with the clamping-bolt shown in elevation. Fig. 3 is a section on line m no, Fig. 2. Fig. 4 is a section through said line am, Fig. 2, with the clamping-boltand spring removed. Fig. isa perspective view of one of theclamps. a modification of Fig. 4.
In the most complete form of construction my spring is composed of two equal members, shown in Fig. l; butitis adapted to be used with a single spring member.
vA represents the main leaf of the upper Spring member. t
B represents the inner leaf of the lower member of the spring.
C represents the clamping-bolt.
D represents a segmental vclamp for secu ring the upper spring member to its center;
E represents asegmenta-l clamp' for securing.
the outer end of the lower spring member in position. The forms of these two clamps are practically the same and are constructed primarily as shown in Fig. 5. Each clamp is Eig. 6 is' provided with bolt-openings a in the disks or heads b. In the preferred form the heads b of one clamping member are inside of the head b of the' opposite clamping member. The bolt forms the center on which both of these clamping mem bers independently oscillate.
`space between their bases and the concave base of the spring. By this means vthe bite of the'clamping member is at the extreme end of 'the spring and insures a more free movement of the spring around the center than if the clamp embracedthe spring over the entire concave end. It will be observed that the ends of the spring are left a slight distance asunder, so that each one may be moved without being being obstructed by the other. Y
It will be observed that the clamping members perform the Same office, one for the upper and the other for the lower leaf, and that each one oscillates on its center with its respective spring member, and they each oscillate or rotate in opposite directions. As each clamp moves with its respective spring, it avoids friction and secures ease of motion.
The spring membersA B are provided with a lip d to insure positive engagement with its clamping member.
In the modification shown in Fig. 6 I have shown the upper clamping member provided Y with an overhanging lip e, so as to prevent the entrance of dust and dirt and also to give a `better finished appearance to the spring.
By the construction herein shown and described several very important advantages are obtained. First, each spring (when composed of two members) is free to move. upon .a common center entirely independent of the other member; second, the clamping force is applied, preferably, to the outer end of the spring, so that the entire length is free to re- ICO spond to the strains; third, undue heating, Welding, and swaging of the spring in order to form a bolt-eye center is avoided.
The center recesses at the end of the springs are shown in the drawings as semicircnlarand slightly eccentric, so as to bring the clamping strain on the outer end of the spring, and is the preferred form of construction. I do not wish to limit myself to the semicircular form, as an are of a considerably less extent may be practically employed and still embody myinvention. This extreme end of the spring is practicallyan overhanging lip, and its form maybe variously modilied without departing from the principal feature of my invention.
Mode of operation: The spring and clamping members are secured together by the clamping-bolt, which forms the center of the spring and clamps. When the springs are compressed, they will elongate and the clamping members will each independently rotate on the center bolt, the spring and clamp moving together turning on the center bolt. Each spring is free, therefore, to elongate and move on its center independently of the other. The clamp-bolt serves as a center for each of the independently-operating clamps and as a common centerfor the twoindependently-acting spring-leaves.
Having described my invention, I claim-- l. In an elliptic spring, the combination with a center bolt of the two independentlyrecessed leaves of an independent segmental clamp for each spring, each adapted to rotate on a common center bolt and move with its respective spring member in opposite directions, substantially as described.
2. In combination with an elliptic spring member the ends of which are free to seat upon a common center bolt two segmental clamps, each independently connected with the outside spring members, one of which is provided with a lip upon the outer side which overlaps and closes the space between each of the opposite segmental clamps, substantially as described.
In testimony whereof I have hereunto set my hand.
LOUIS G. MAYER.
Witnesses:
OLIVER B. KAISER, IDA J. LUCAS.
US12587102A 1902-10-04 1902-10-04 Carriage-spring. Expired - Lifetime US732575A (en)

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US12587102A US732575A (en) 1902-10-04 1902-10-04 Carriage-spring.

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US12587102A US732575A (en) 1902-10-04 1902-10-04 Carriage-spring.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090017522A1 (en) * 1993-03-19 2009-01-15 The Johns Hopkins University School Of Medicine Polynucleotides Encoding Promyostatin Polypeptides

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090017522A1 (en) * 1993-03-19 2009-01-15 The Johns Hopkins University School Of Medicine Polynucleotides Encoding Promyostatin Polypeptides

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