US233837A - Thomas ceane - Google Patents
Thomas ceane Download PDFInfo
- Publication number
- US233837A US233837A US233837DA US233837A US 233837 A US233837 A US 233837A US 233837D A US233837D A US 233837DA US 233837 A US233837 A US 233837A
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- United States
- Prior art keywords
- door
- spring
- pulley
- arm
- thomas
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Classifications
-
- 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
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/123—Mechanisms in the shape of hinges or pivots, operated by springs with a torsion bar
Definitions
- THOMAS CRANE OF FORT ATKINEON, ⁇ VISGONSIN, ASSIGNOR OF ONE-HALF OF HIS RIGHT TO L. S. KELLOGG, OF SAMEPLAGE.
- Figure 1 is an elevation, and Figs. 2, 3, and at are cross-sectional views, of a screen-door hinged substantiallylike the screen-door shown in Patent N 0. 215,439, issued to Thomas Crane May 20, 1879.
- A is the door-frame.
- B is the screen-door, hinged to independent stile G by means of hinges H.
- Stile G is also hinged to frame A by means of hinges G, Figs. 2, 3, and 4.
- a torsion-spring, D is secured to stile O by means of screw I 5 also three clasps, in which the spring-rod can freely turn.
- the upper end of spring-rod D is turned to form a horizontal arm-extension, with a hook upon its end, which rests upon door B, and is pressed upon it by the adjustment of screw I, whereby the hinges H are closed.
- a grooved pulley, E, with a cap-sup port, having a projection upon each side extending beyond the periphery, is secured to the under side of the upper portion of frame A, directly above the door B.
- this groove rests the arm of spring D, Figs. 1, 2, and 3.
- a recess, F In the top of the door-rail is a recess, F, for the reception and free passage of pulley E, as the door, when swinging, passes this point.
- Figs. 5 and 6 show a modified arrangement for using spring D.
- the door B is hinged to rib c, with a set of common hinges, in such a manner that the door will swing about it and open either way, as in Fig. 6.
- Spring D may be used to close common doors which swing only one way,in which case pulley E is placed one side of the door-rail, which removes the necessity of recess F in the top of the door-rail.
- the rest Eis placed its thickness below the line of the upper edge of the door-rail, to allow the spring-arm to swing about it and not interfere with the door-frame in its operation.
- the door may be released, for convenience, from the spring D by removing the arm from the pulley E and resting it upon the door below recess F.
- the pulley E located in a cap-support, and provided With projections upon each side, in combination with spring D,
- the door B having recess F at the top, and hinges adapted for swinging either way, in combination with tWo springs, D D, and pulley E, substantially as and for the purpose 20 set forth.
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Description
Q T. CRANE.
Door Spring.
No. 233,837. Patented Nov. 2, 1880.
N. r El'iRs PNOTO-UTHOGRAPHER WASHINGTON D C UNITED STATES PATENT @E TCE.
THOMAS CRANE, OF FORT ATKINEON, \VISGONSIN, ASSIGNOR OF ONE-HALF OF HIS RIGHT TO L. S. KELLOGG, OF SAMEPLAGE.
DOOR-SPRING.
SPECIFICATION forming part of Letters Patent No. 233,837, dated November 2, 1880. Application filed October 25, 1879.
To all whom it may concern Be it known that l, THOMAS CRANE, of the city of Fort Atkinson, State of \Visconsin, have invented a new and useful Improvement in Door-Springs, of which the following is a specification.
The object of my invention is more successfully to close doors automatically, the manner and purpose of which I now proceed to describe in detail.
Figure 1 is an elevation, and Figs. 2, 3, and at are cross-sectional views, of a screen-door hinged substantiallylike the screen-door shown in Patent N 0. 215,439, issued to Thomas Crane May 20, 1879.
A is the door-frame. B is the screen-door, hinged to independent stile G by means of hinges H. Stile G is also hinged to frame A by means of hinges G, Figs. 2, 3, and 4.
A torsion-spring, D, is secured to stile O by means of screw I 5 also three clasps, in which the spring-rod can freely turn. The upper end of spring-rod D is turned to form a horizontal arm-extension, with a hook upon its end, which rests upon door B, and is pressed upon it by the adjustment of screw I, whereby the hinges H are closed.
A grooved pulley, E, with a cap-sup port, having a projection upon each side extending beyond the periphery, is secured to the under side of the upper portion of frame A, directly above the door B. In this groove rests the arm of spring D, Figs. 1, 2, and 3. In the top of the door-rail is a recess, F, for the reception and free passage of pulley E, as the door, when swinging, passes this point.
When door B turns upon hinges G, as in Fig. 2, the arm of spring D is retained in the groove of pulley E, and the axis of the spring is carried about with the door. When door 13 turns, as in Fig. 4, hinges G are closed, and the axis of spring D is at rest, the door turns upon hinges H, and the hooked end of the spring-arm is carried about with it, and in both cases the reflex action of the spring closes the door as soon as it is released.
Figs. 5 and 6 show a modified arrangement for using spring D. The door B is hinged to rib c, with a set of common hinges, in such a manner that the door will swing about it and open either way, as in Fig. 6.
In place of spring D, placed upon the independent stile 0, combined with door B and pulley E, for closing the door, Figs. 1, 2, 3, and 4, I use, in Figs. 5 and 6, two springs, D D, one upon each side, secured wholly to the door, and when the door is closed the spring-arms rest in the groove of pulley E, one upon each side, which holds the door in a closed position. When the door is open the spring, the arm of which rests in the groove of pulley E, closes the door by its reflex action, while the opposite spring-arm serves as a yielding stop, as in its movement it strikes the opposite side of 4 between pulley E and the axis of the spring arm 'until the rectangular hook upon the end of the arm engages with the projection upon the pulley-support and stops the door from swinging farther, and thus by the indirect action of spring D upon the door, also by the before-described movement ofthe axis of spring D from the arm-rest E, the power of the spring upon thedoor is gradually diminished while opening it.
When more power is desired for closing large doors, secure the spring to the door nearer to the pulley-rest E. In this manner any desired pressure may be obtained with the first movement of the door, but gradually decreases un til it is fully open, in which position there is no increase of pressure by the adjustment of the spring.
Spring D may be used to close common doors which swing only one way,in which case pulley E is placed one side of the door-rail, which removes the necessity of recess F in the top of the door-rail. The rest Eis placed its thickness below the line of the upper edge of the door-rail, to allow the spring-arm to swing about it and not interfere with the door-frame in its operation.
The door may be released, for convenience, from the spring D by removing the arm from the pulley E and resting it upon the door below recess F.
Having plainly and fully described my improvement and invention, What I claim, and desire to secure by Letters Patent, is
1. In door-springs, the pulley E, located in a cap-support, and provided With projections upon each side, in combination with spring D,
having an arm hooked at the end and adapted to engage with the cap-support, substantially 1 as and for the purpose set forth.
2. The door B, having recess F at the top, and hinges adapted for swinging either way, in combination with tWo springs, D D, and pulley E, substantially as and for the purpose 20 set forth.
THOMAS CRANE. 14. s.]
Witnesses:
Gno. 0. SMITH, GEO. F. SMITH.
Publications (1)
Publication Number | Publication Date |
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US233837A true US233837A (en) | 1880-11-02 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US233837D Expired - Lifetime US233837A (en) | Thomas ceane |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3070829A (en) * | 1959-02-23 | 1963-01-01 | Renault | Door checks, notably for automobile doors |
US20050091998A1 (en) * | 2003-11-04 | 2005-05-05 | Lg Electronics Inc. | Method for controlling operation of air-conditioner |
US20050155366A1 (en) * | 2004-01-20 | 2005-07-21 | Lg Electronics Inc. | Method for controling air flow rate of air conditioning system |
-
0
- US US233837D patent/US233837A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3070829A (en) * | 1959-02-23 | 1963-01-01 | Renault | Door checks, notably for automobile doors |
US20050091998A1 (en) * | 2003-11-04 | 2005-05-05 | Lg Electronics Inc. | Method for controlling operation of air-conditioner |
US20050155366A1 (en) * | 2004-01-20 | 2005-07-21 | Lg Electronics Inc. | Method for controling air flow rate of air conditioning system |
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