US192175A - Improvement in coiled springs - Google Patents

Improvement in coiled springs Download PDF

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US192175A
US192175A US192175DA US192175A US 192175 A US192175 A US 192175A US 192175D A US192175D A US 192175DA US 192175 A US192175 A US 192175A
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Prior art keywords
improvement
coiled springs
spring
coil
springs
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00—Springs
    • F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04—Wound springs
    • F16F1/06—Wound springs with turns lying in cylindrical surfaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49609—Spring making
    • Y10T29/49611—Spring making for vehicle or clutch

Definitions

  • NVPETERS FHOTO-LIYHOGRAPHER, WASHINGTON. D. O.
  • My invention relates to spiral springs; and it consists in the peculiar construction of the the ends, whereby an improved bearing is secured and the spring is made stronger and more durable.
  • A is a spring formed from an ordinary round rod, the ends of which are tapered, but not to an edge, as is usual, andthat portion of the terminal coil that lies be low the extreme end of the rod forming the coil is offset, as in Fig. 1, or cut away, as

Description

J. LU DLUM.
COILED-SPRING.
No. 192,175, Patented Jun e 19, 1877.
WITNESSES: NVENTUB I monun.
NVPETERS, FHOTO-LIYHOGRAPHER, WASHINGTON. D. O.
- UNITED STATES PATENT OFFICE.
JAMES LUDLUM, 0F POMPTO N, NEW JERSEY.
IMPROVEMENT I N COILED SPRINGS.
Specification forming part of Letters Patent No. 192,175, dated June 19, 1877; application filed May 28, 1877.
' another form.
Similar letters of reference indicate corre sponding parts.
My invention relates to spiral springs; and it consists in the peculiar construction of the the ends, whereby an improved bearing is secured and the spring is made stronger and more durable.
In the drawing, A is a spring formed from an ordinary round rod, the ends of which are tapered, but not to an edge, as is usual, andthat portion of the terminal coil that lies be low the extreme end of the rod forming the coil is offset, as in Fig. 1, or cut away, as
shown at b in Fig. 2, so that, while the end of the coil is of sufficient thickness to give it the required strength, the coil presents a plane surface, and the ends of the coil are parallel.
The spring thus made rests squarely in its bearings, and is not liable to break, as are the springs otordinary eonstruetion,-the ends of which arose slight as to be easily overstrained or broken. Having thus fully described my invention, I claim as new and desire to secure by Letters Patent- A spring having in the terminal coil an offset to receive the end of the rod of which the spring is formed, substantially as shown and described. i
' V J AMES LUDLUM. Witnesses:
(i. SEDGwIoK, ALEX; F. ROBERTS-
US192175D Improvement in coiled springs Expired - Lifetime US192175A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060206576A1 (en) * 1998-12-23 2006-09-14 American Calcar Inc. Technique for effective communications with, and provision of global positioning system (GPS) based advertising information to, automobiles

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060206576A1 (en) * 1998-12-23 2006-09-14 American Calcar Inc. Technique for effective communications with, and provision of global positioning system (GPS) based advertising information to, automobiles

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