US137770A - Improvement in door and gate springs - Google Patents

Improvement in door and gate springs Download PDF

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Publication number
US137770A
US137770A US137770DA US137770A US 137770 A US137770 A US 137770A US 137770D A US137770D A US 137770DA US 137770 A US137770 A US 137770A
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Prior art keywords
plug
spring
door
improvement
screw
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Expired - Lifetime
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1008—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring parallel with the pivot axis
    • E05F1/1016—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring parallel with the pivot axis with a canted-coil torsion spring

Definitions

  • Figure 1 is a front view.
  • Fig. 2 is a view of screw-plug detached from its connection with spring and pin.
  • Fig. 4 is a side view of plate and pin with screw-plug removed.
  • This invention consists of a plug having screw-threads cast or otherwise made thereon, in combination with a coiled spring, so as to fasten the ends of the spring to the plug by screwing them thereon, thus dispensing with the making of a hole or slot in the plug and the bendingor turning of the end of the spring therein to fasten the same, as heretofore; also, of a fixed pin, in combination with the elements above, for adjusting the plug by means of holes through the same, so as to increase or diminish the pressure of the spring, as will be hereinafter more fully explained.
  • A is the coiled spring;
  • B the screw-plug, having its head a made so as to give the spring an ornamental look and at the same time serve the purpose of a handle for adjustin g the spring.
  • the screw-threads of the plug are made to terminate in a slight depression, forming a shoulder, b, the end of the spring being screwed onto the plug until it comes against the shoulder, when it is slightly bent into the depression so as to make it fast.
  • the plug between the head and where the end of the spring terminates is made with flat or square sides, having a hole, 0, running centrally through each side.
  • 0 O are plates provided with fixed pins D D. These plates are fastened by screws, one to the door E and the other to the adjoining wood-work, F, in such positions that the plugs of the spring can be r adily made to connect by their holes with the pins,
  • the plug at one end thereof is slipped off from the pin and a piece of stiff wire inserted in the hole on the side to give leverage or purchase enough upon the plug to enable it to beturned to the right or left hole, as maybe required,when it is slipped on over thepin again.
  • the spring can be readily removed, when its use is not required, without removing either of the plates.
  • my improved spring has advantages that its ends can be more conveniently attached by the employment of screw-plugs, and, besides, can be adjusted with greater facility to increase or diminish the pressure of the spring or hold the door open.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Springs (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Description

J. T. FOSTER.
Door and Gate Springs. No. 137,770. PatentedApriH5J873.
In venl orz UNITED STATES PATENT. QFFIOE.
JOHN r. FOSTER, or JEnsEr orrrynnw JEesEY..
IMPROVEMENT IN DQOR AND GATE SPRINGS.
Specification forming part of Letters Patent No. 137,770, dated April 15, 1873 application filed February 27, 1873.
To all. whom it may concern:
Be it known that I, JOHN T. Fos'rER, of Jersey City, in the county of Hudson and State of New Jersey, have invented. a new and Improved Door and Gate Spring, and I do hereby declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it pertains to make and use it, reference being had to the accompanying drawing which forms part of this specification.
Figure 1 is a front view. Fig. 2 is a view of screw-plug detached from its connection with spring and pin. Fig. 4: is a side view of plate and pin with screw-plug removed.
Like letters in all the figures of the drawing indicate like parts.
This invention consists of a plug having screw-threads cast or otherwise made thereon, in combination with a coiled spring, so as to fasten the ends of the spring to the plug by screwing them thereon, thus dispensing with the making of a hole or slot in the plug and the bendingor turning of the end of the spring therein to fasten the same, as heretofore; also, of a fixed pin, in combination with the elements above, for adjusting the plug by means of holes through the same, so as to increase or diminish the pressure of the spring, as will be hereinafter more fully explained.
A is the coiled spring; B, the screw-plug, having its head a made so as to give the spring an ornamental look and at the same time serve the purpose of a handle for adjustin g the spring. The screw-threads of the plug are made to terminate in a slight depression, forming a shoulder, b, the end of the spring being screwed onto the plug until it comes against the shoulder, when it is slightly bent into the depression so as to make it fast. The plug between the head and where the end of the spring terminates is made with flat or square sides, having a hole, 0, running centrally through each side. 0 O are plates provided with fixed pins D D. These plates are fastened by screws, one to the door E and the other to the adjoining wood-work, F, in such positions that the plugs of the spring can be r adily made to connect by their holes with the pins,
To adjust the spring so as to increase or diminish its pressure, the plug at one end thereof is slipped off from the pin and a piece of stiff wire inserted in the hole on the side to give leverage or purchase enough upon the plug to enable it to beturned to the right or left hole, as maybe required,when it is slipped on over thepin again.
It will be noticed that the greater the press ure upon the spring the more tightly will it be caused to bind in the screw-threads of the plug, thus giving the spring a steady and rigid connection therewith. When it is desired to hold the door open, the plug is first removed from the pin and the door then opened, when the plug is placed-0n the pin again.
The spring can be readily removed, when its use is not required, without removing either of the plates.
The advantages of my improved spring are that its ends can be more conveniently attached by the employment of screw-plugs, and, besides, can be adjusted with greater facility to increase or diminish the pressure of the spring or hold the door open.
I do not claim a removable screw or pin for adjusting the plug, as I' am aware that the same is covered by the patent of Patrick 1S)mith, granted August 3, 1869, No. 93,359;
ut I
What I do claim, and desire to secure by Letters Patent, is-- 1. For use in a door and gate spring, a plug provided with screw-threads so .as to fasten the ends of a coiled spring to the plug by screwing them thereon, substantially as set forth.
2. In combination with the elements above, a fixed pin for adjusting the plug by means of holes through the same, substantially as and for the purpose set forth.
In testimony that I claim the foregoing I have hereunto set my hand this 7th day of February, 1873.
J.-T. FOSTER.
Witnesses:
W. MUIEHEID, J. F. MCGEE.
US137770D Improvement in door and gate springs Expired - Lifetime US137770A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731902A (en) * 1982-08-09 1988-03-22 National Manufacturing Co. Door and gate spring
US8656554B1 (en) 2012-02-02 2014-02-25 Isaac S. Burleson Gate closer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4731902A (en) * 1982-08-09 1988-03-22 National Manufacturing Co. Door and gate spring
US8656554B1 (en) 2012-02-02 2014-02-25 Isaac S. Burleson Gate closer

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