US370468A - Chaeles e - Google Patents

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US370468A
US370468A US370468DA US370468A US 370468 A US370468 A US 370468A US 370468D A US370468D A US 370468DA US 370468 A US370468 A US 370468A
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Prior art keywords
door
case
spring
piston
hinge
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Expired - Lifetime
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05FDEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F3/00Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/20Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2201/00Constructional elements; Accessories therefore
    • E05Y2201/60Suspension or transmission members; Accessories therefore
    • E05Y2201/622Suspension or transmission members elements
    • E05Y2201/644Flexible elongated pulling elements; Members cooperating with flexible elongated pulling elements
    • E05Y2201/656Chains
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2600/00Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/40Mounting location; Visibility of the elements
    • E05Y2600/41Concealed
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05YINDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05Y2900/00Application of doors, windows, wings or fittings thereof
    • E05Y2900/10Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
    • E05Y2900/132Doors
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T16/00Miscellaneous hardware [e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.]
    • Y10T16/27Checks and closers
    • Y10T16/281Pneumatic
    • Y10T16/282Flexible link
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T16/00Miscellaneous hardware [e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.]
    • Y10T16/27Checks and closers
    • Y10T16/281Pneumatic
    • Y10T16/283Hinge
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T16/00Miscellaneous hardware [e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.]
    • Y10T16/56Closers
    • Y10T16/568Spring and flexible link
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T16/00Miscellaneous hardware [e.g., bushing, carpet fastener, caster, door closer, panel hanger, attachable or adjunct handle, hinge, window sash balance, etc.]
    • Y10T16/56Closers
    • Y10T16/593Spring

Description

(No Model.) 7

0. E. GRIFFING & J. W. ASHBORN.

DOOR SPRING AND CHECK!" Patentefi Sept. 27, 1887.

N. PETERS, PMm-Utfiagnpher. W2

. To all whom it may concern UNITED STATES PATENT OFFICE.

CHARLES E. GRIFFING AND J. \VILSON ASHBORN, OF DANBURY, CONNECTI- CUT; SAID ASHBORN ASSIGNOR OF ONE-HALF IIIS RIGHT TO DANIEL M.

' BENEDICT, OF SAME PLACE.

DOOR SPRING AND CHECK.

SPECIFICATION forming part of Letters Patent No. 370,468, dated September 27, 1887.

Application filed May 2, 188 Serial No. 236,782. (No model.)

Be it known that we, CHARLES E. GRIFFING and J. WILsON ASHBORN, citizens of the United States, residing at Danbury, in the county of Fairfield and State of Connecticut, have invented certain new and useful Improvements in Door Springs and Checks; and we 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 appertains to make and use the same.

Our invention relates to the class of doorsprings which have a pneumatic check combined therewith, and has for its object to provide a device of this class which shall be simple inconstruction, economical in cost, readily adjusted, and practically impossible to get out of order, an important feature of our improved construction being that the mechanism is entirely out of sight, being let into the jamb and studding of the Wall and connected at or near the edge of the door. WVith these ends 1n view We have devised the simple and novel construction of which the following description, in connection with the accompanying drawin gs,is a specification,numbers being used to indicate the several parts.

Figure 1 is a horizontal section of a door, the jamb, stud, and casing, and ourimproved door spring and check, showing the door in the closed position; Fig. 2, a similar .View showing the door in the open position, and Fig. 3 a Vertical section corresponding with Fig. 1. In these figures our invention is shown as applied in connection with-that is, made integral with*one hinge of the door. Fig. 4 is a plan view of another form of our invention, in which it is applied independently of the hinge, the jamb, stud, &c., being in section and the door being in the closed position.

1 denotes the door, 2 the jamb, 3 a stud, 4. the casing, and 5 the wall. These parts may all be of any ordinary or preferred construction, as they form no portion of our invention.

In the form illustrated in Figs. 1, 2, and 3- we have shown our invention as applied in connection with one of the hinges. 6 denotes the door-leaf of the hinge, and 7 the jambleaf.

8 denotes a tubular case which is rigidly 9 denotes a piston within this case, consist ing of a disk or disks, 10, of leather or other suitable material,with metallic washers 11 on opposite sides thereof.

12 is a spring which bears against the outer metallic washer and against a collar, 13, at the outer end of the case. This collar is made detachable, and is secured in place by setscrews for convenience in assembling.

14 is a block which we ordinarily use within the spring to prevent the latter from doubling or buckling in use.

15 is a rod passing through the block, the disks, and the washers, and provided with a head hinged to the inner member of a connec tion consisting of pivoted links 16.

The peculiarity of this portion of our invention consists in providing these links with shoulders or stops 17 upon one side and with shoulders or stops 18 upon the other side. Supposing the door, as shown in Figs. 1 and 2, to open inward, the stops 17 upon the side of links 16 corresponding with the inner side of the door are so formedand located rela tively to each other as to permit the door to be thrown entirely open, as shown in Fig. 2, these steps just coming in contact with each other when the door is in the open position, so that the linkconnection is perfectly rigid, as shown in Fig. 2. The stops 18 upon the opposite sides of the links are so formed and arranged relatively to each other as to just come in contact with each other when the chain is passing straight into the case as the door swings to the closed position, as in Fig. 1. This is in order to hold the chain perfectly rigid in this position and insure that it shall not double or buckle and come in contact with the spring or the case.

At the outer end of the link-connection is a threaded rod,19, which passes through a IOU slot, 20, in the door-leaf of the hinge. A recess', 21, is provided at the edge of the door,

into which rod 19 passes, where it is secured by a nut, 22, engaging the threaded rod. At the inner end of the case is a screw-plug, 23, provided with apertures 24. 25 is a flap-valve covering these apertures, but adapted to lift inward to permit the entrance of air into the cylinder when the piston moves outward, as when the door is opened. 26 denotes apertures in the case a short distance above the inner end, which permit the ready escape of air when the door is swung toward its closed position.

It will of course be understood that the spring is sufficiently strong to draw the door quickly toward the closed position from any position in which it may be placed. The effect of our stop link connection is to insure a steady pull upon the door at all times, tending to draw it toward its closed position. As shown in Fig. 2, when the door is thrown to its farthest open position the connection curves over from the jamb to the door and is made perfectly rigid by the engagement of stops or shoulders 17 with each other. As a matter of fact, the farther open the door is thrown the more the spring will be compressed,and, owing to the direction in which the power of the spring is exercised that is producing a directpull upon the door, the greater will be the tendency to throw the door to the closed position. When the door is opened,air enters the case through apertures 24 in the screw-plug, the flap-valve 25 being lifted by the air as it enters. When the door is released,the spring acts to draw it quickly toward its closed position. Valve 25 of course instantly closes down upon apertures 24, so that escape of air at the end of the case is cutoff. Apertures 26, however, in the side of the case are made sufficiently large to give free escape to the air until the door has nearly reached the closed position. As soon as the piston has passed these apertures in moving inward, the air at the inner end of the case forms a cushion, which checks the door.

In order that the rapidity with which the door closes after having reached this point may be perfectly under control at all times,we

have provided a tube, 27, lying by the side of the case or made integral therewith. The inner end of this tube communicates with the inner end of case 8 through a small aperture, 28. The outer end of the tube terminates in the jamb-leaf of the hinge, as represented in Fig. 3, and in the face-plate of the case, as represented in Fig. 4. 29 denotes a screw entering from the face of the jamb-leaf of the hinge, which engages the outer end of this tube. The screw is provided with a groove, 30, to allow the air to pass out. By turning the screw in or out the escape o'f-air from the tube may be perfectly regulated, so that the final movement of the door in closing is under perfect control.

In Fig. 4 we have illustrated our invention as applied to a door independently of the hinges. In this form case '8 is set straight into the jamb and rod 19 is connected to a bracket, 31, upon the outer side of the door in the same manner that it is connected to the door-leaf of the hinge in Figs. 1, 2, and 3.

In Fig. 4 we have shown tube 27 on the upper side of case 8, instead of upon the under side, as in the other figures. This, however, and the various other details of construction are not of the essence of our invention and may be varied to an almost unlimited extent without departing from the principle thereof.

We claim 1. A combined door spring and check consisting, essentially, of a case having apertures and a valve to control the entrance and escape of air, a piston, a spring bearing against said piston, and a collar at the outer end of the case, and a pivoted link-connection having stops, as shown, which is connected to the piston and to the door, substantially as described.

2. The combination, with a hinge and a case attached to one leaf thereof, of a piston within said case, a spring acting to force the piston inward, and a pivoted link-connection having stops between said piston and theother leaf of the hinge, substantially as described.

3. The case having apertures 26, and the piston, spring, and pivoted linlcconnection, in combination with a tube leading from the inner end of the case to the face of the jamb, and a slotted screw engaging the outer end of said tube, whereby the escape of air therefrom may be regulated, substantially as described.

4. The combination, with a hinge-leaf, of a case secured thereto and inclined inward at an acute angle to the plane of the leaf, a piston and spring within said case, and a pivoted link-connection secured to said piston and to the opposite leaf of the hinge, as and for the purpose set forth.

5. The combination, with a hinge and a case attached'to one half thereof, of a piston within said case, a spring acting to force the piston inward, a block, 14, within said spring, for the purpose set forth, and a pivoted link-connection having stops betweensaid piston and the other leaf of the hinge.

In testimony whereof we affix oursignatures in presence of two witnesses.

Witnesses:

M. H. GRIFFING, T. H. BENEDICT.

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527866A (en) * 1946-04-08 1950-10-31 Russel A Welch Endgate construction
US2646589A (en) * 1951-12-29 1953-07-28 Bert A Quinn Lubricating means for pneumatic door checks, closers, and the like
US2881467A (en) * 1954-12-10 1959-04-14 Struhar John Door check and closer
US3059269A (en) * 1959-12-24 1962-10-23 Jacob J Selinger Door closers
US3177517A (en) * 1960-07-16 1965-04-13 Regro Turschliesserfabrikation Door closing device
US3343203A (en) * 1966-11-17 1967-09-26 Schuermann & Co Heinz Telescoping door closer
US3392419A (en) * 1966-11-16 1968-07-16 Grant Pulley & Hardware Corp Door closer and holder
US4317254A (en) * 1979-03-20 1982-03-02 Perkins & Powell Limited Door closer
US20050045430A1 (en) * 2003-08-12 2005-03-03 Nijs Wernas Safety closing system for shaft door panel of an elevator installation, and elevator installation with shaft door panel, which comprises such a safety closing system
US20060207056A1 (en) * 2005-03-05 2006-09-21 Renold Plc Door closer device
GB2437530A (en) * 2006-04-03 2007-10-31 Gibcloser Ltd Door closer having hydraulic damper comprising compressible foam accumulator
GB2441894A (en) * 2004-06-17 2008-03-19 Astra Door Controls Ltd Door frame fitting for door closer chain
US20150128378A1 (en) * 2013-11-11 2015-05-14 Dorma Deutschland Gmbh Spring adjusting device for a door actuating device

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2527866A (en) * 1946-04-08 1950-10-31 Russel A Welch Endgate construction
US2646589A (en) * 1951-12-29 1953-07-28 Bert A Quinn Lubricating means for pneumatic door checks, closers, and the like
US2881467A (en) * 1954-12-10 1959-04-14 Struhar John Door check and closer
US3059269A (en) * 1959-12-24 1962-10-23 Jacob J Selinger Door closers
US3177517A (en) * 1960-07-16 1965-04-13 Regro Turschliesserfabrikation Door closing device
US3392419A (en) * 1966-11-16 1968-07-16 Grant Pulley & Hardware Corp Door closer and holder
US3343203A (en) * 1966-11-17 1967-09-26 Schuermann & Co Heinz Telescoping door closer
US4317254A (en) * 1979-03-20 1982-03-02 Perkins & Powell Limited Door closer
US20050045430A1 (en) * 2003-08-12 2005-03-03 Nijs Wernas Safety closing system for shaft door panel of an elevator installation, and elevator installation with shaft door panel, which comprises such a safety closing system
US7546904B2 (en) * 2003-08-12 2009-06-16 Inventio Ag Safety closing system for shaft door panel of an elevator installation, and elevator installation with shaft door panel, which comprises such a safety closing system
GB2441894A (en) * 2004-06-17 2008-03-19 Astra Door Controls Ltd Door frame fitting for door closer chain
GB2441894B (en) * 2004-06-17 2008-10-15 Astra Door Controls Ltd Door frame fitting for door closer
US20060207056A1 (en) * 2005-03-05 2006-09-21 Renold Plc Door closer device
EP1715126A3 (en) * 2005-03-05 2008-04-16 RENOLD Plc Door closer device
EP1715126A2 (en) * 2005-03-05 2006-10-25 RENOLD Plc Door closer device
GB2437530A (en) * 2006-04-03 2007-10-31 Gibcloser Ltd Door closer having hydraulic damper comprising compressible foam accumulator
GB2437530B (en) * 2006-04-03 2011-11-16 Gibcloser Ltd Fitting tool for a concealed door closer
US20150128378A1 (en) * 2013-11-11 2015-05-14 Dorma Deutschland Gmbh Spring adjusting device for a door actuating device
US9447622B2 (en) * 2013-11-11 2016-09-20 Dorma Deutschland Gmbh Spring adjusting device for a door actuating device

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