US834681A - Fire-door. - Google Patents

Fire-door. Download PDF

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Publication number
US834681A
US834681A US32002006A US1906320020A US834681A US 834681 A US834681 A US 834681A US 32002006 A US32002006 A US 32002006A US 1906320020 A US1906320020 A US 1906320020A US 834681 A US834681 A US 834681A
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United States
Prior art keywords
door
pulley
chain
fire
rope
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Expired - Lifetime
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US32002006A
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James Peters
William Peters
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Individual
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Priority to US32002006A priority Critical patent/US834681A/en
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Publication of US834681A publication Critical patent/US834681A/en
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C2/00Fire prevention or containment
    • A62C2/06Physical fire-barriers
    • A62C2/18Sliding dampers

Definitions

  • JAMES PETERS and WILLIAM PETERS citizens of the United States, residing in the city and county of Philadel hia, State of Pennsylvania, have inventedp a new and useful Fire-Door, of which the following is ⁇ a specification.
  • Our invention relates to new and useful fire-doors; and it consists in means for automatically closing the door should a fire occur.
  • Figure 1 represents an elevationof our device, showing the same in position as applied to a door.
  • Fig. 2 'represents a plan view thereof, showing the wall in dotted lines.
  • Fig. 3 represents a side elevation of a portion of the device on an enlarged scale.
  • Fig. 4 represents a perspective view of a porti on of the device on an enlarged scale.
  • 1 designates a wall or partition in abuilding in which is the doorway 2, adjacent which is hinged in any convenient or suitable manner the door 3, it being understood that said door is of any suitable fireproof construction.
  • a pulley 4 adjacent the door, said pulley being carried in the ears 5, which are connected with the wall or other suitable support.
  • the operation is as follows: The door 3 is set in position as seen in Fig. 1, so that the doorway 2 is open. Should a iire occur on the side of the wall at which the door is situated, the fusible material 18 or even the rope 17 would burn or fuse, thus releasing the pulley 4, as the chain or rope 17 is of sufficient strength to hold the weight or weights 11. As soon as the pulley4 is released fromits position by the burning of the rope 17 or the fusible material 18 the weight or weights 11 rotate the pulley 4, which carries with it the arm 6 the latter closing the door-'that is, moving it in the direction indicated by the arrow in Fig. 2.
  • a iiredoor a pulley supported adjacent the same, a chain connected with said pulley, a Weight connected With said chain, means earried by the pulley and in suitable connection With said door for actuating the same, a lever suitably connected With said. pulley and a second chain connected With said lever at one end and to a stationary support at the other.
  • a device of the character described a fire-door, a pulley supported adjacent the same, a chain connected with said pulley, a Weight connected With said chain, means carried by the pulley and in suitable connection with said door for actuating the same, a lever movably supported, a cham connecting said lever With sald pulley and a second chain connected with said lever at one end and to a stationary support at the other.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Power-Operated Mechanisms For Wings (AREA)

Description

PATBNTED 0011.30, 1906.
J. a: w. PBTERs- FIRE DOOR.
APPLIoATIoH Hmm 111x114. 190e.
invento u mi Modul: Prrxlu ca., wAsmNaoN. D. c
UNITED STATES PATENT oEEIcE.
SYLVANIA.
FIRE-DOOR.
Specification of Letters Patent.
Patented oct. 3o, 190e.
Application filed June 4, 1906. Serial No. 320,020.
To all whom, t may concern/f Be it known that we, JAMES PETERS and WILLIAM PETERS, citizens of the United States, residing in the city and county of Philadel hia, State of Pennsylvania, have inventedp a new and useful Fire-Door, of which the following is `a specification.
Our invention relates to new and useful fire-doors; and it consists in means for automatically closing the door should a fire occur.
It further consists of novel details of construction, all as will be hereinafter set forth.
Figure 1 represents an elevationof our device, showing the same in position as applied to a door. Fig. 2 'represents a plan view thereof, showing the wall in dotted lines.' Fig. 3 represents a side elevation of a portion of the device on an enlarged scale. Fig. 4 represents a perspective view of a porti on of the device on an enlarged scale.
Similar numerals of reference indicate corresponding parts in the figures.
Referring to the drawings, it is essential in fire-doors that some means be provided for automatically closing said doors should a fire occur, and while we have shown one form of a device for carrying out this invention, and which form we have found exceedingly practical, it will of course be evident that other instrumentalities may be employed or some changes may be made which would accomplish the results.
In the drawings, 1 designates a wall or partition in abuilding in which is the doorway 2, adjacent which is hinged in any convenient or suitable manner the door 3, it being understood that said door is of any suitable fireproof construction. We have shown in the drawings means for normally retaining the door in open position and means for automaticallyv closing the same when a fire occurs, and to this end we have mounted a pulley 4 adjacent the door, said pulley being carried in the ears 5, which are connected with the wall or other suitable support. Connected with or carried by said pulley is an arm 6, on the end of which is preferably mounted a roller 7, said arm being of such form and size as to permit said roller 7 to contact with the door 3, as best understood from Figs. 1 and 2, wherein the roller is shown as lying behind the door, although it will be apparent that said arm can be connected with said door in any suitable manner or in any way in order to operate the same, as hereinafter described.
8 designates a rope or chain which passes around the pulley 4, the end of which is connected therewith by means of a pin 9, said chain 8 also passing over a pulley 10 and having the weight or weights 11 connected with its free end.
12 designates a guard or guide which is situated adjacent the pulley 10 and is provided with the arms or ears 13 and 14, in which are the openings 15 and 16, through which passes the chain 8 in order that it is properly guided and held at all times in lproper connection with said pulley 10.
17 designates a rope or chain which is connected with a pulley 4 by a suitable pin and which in a suitable portionof its length is provided with a connection 18 of fusible malterial, said rope or chain 17 passing over the guide 19, and the end of said rope beingconnected with an arm 20, which is secured to or forms part of a bar or rod 21, which is adapted to be journaled in the wall 1. The opposite end of the bar or rod is provided with an arm or lever 22, with which is connected a rope or chain 23, which is also provided with a connection of fusible material24, and the other end of which chain 23 is connected with a support 25, which is mounted or carried by a iiXed support and in the drawings is shown as mounted in the doorway.
The operation is as follows: The door 3 is set in position as seen in Fig. 1, so that the doorway 2 is open. Should a iire occur on the side of the wall at which the door is situated, the fusible material 18 or even the rope 17 would burn or fuse, thus releasing the pulley 4, as the chain or rope 17 is of sufficient strength to hold the weight or weights 11. As soon as the pulley4 is released fromits position by the burning of the rope 17 or the fusible material 18 the weight or weights 11 rotate the pulley 4, which carries with it the arm 6 the latter closing the door-'that is, moving it in the direction indicated by the arrow in Fig. 2. The same action would occur should the iire take place upon the opposite side of the wall 1, in which event the rope 23 or fusible material 24 would burn or fuse and the pulley would likewise be released and the weight orweights 11 would act upon the door, as before described. The door can be opened or closed by hand, if desired.
IOO
Having thus described our invention, what pulley, means for holding said'pulley in sta-- tionary position, a fusible portion formingl part of said holding` means, and a Weight for actuating said pulley When said holding means is released for closing said door.
3. In a device ofthe character described, a
{ire-door, a pulley supported adjacent the same, a chain having a portion thereof of fusible material connected With said pulley, a
Weight connected With said pulley and an arm carried by said pulley and in suitable connection With said door for closing the same When said pulley is actuated.
4. In a device of the character described, a i
lire-door, a pulley, means carried thereby for contacting With the door, means for holding said pulley in stationary position, said means extending on both sides of the Wall to which the door is attached, a fusible portion carried by said holding means and means for actu ating said pulley When said holding means releases the same.
5. In a device of the character described, a iiredoor, a pulley supported adjacent the same, a chain connected with said pulley, a Weight connected With said chain, means earried by the pulley and in suitable connection With said door for actuating the same, a lever suitably connected With said. pulley and a second chain connected With said lever at one end and to a stationary support at the other.
6. In a device of the character described, a lire-door, a pulley supported adjacent the same, a chain connected with said pulley, a Weight connected With said chain, means carried by the pulley and in suitable connection with said door for actuating the same, a lever movably supported, a cham connecting said lever With sald pulley and a second chain connected with said lever at one end and to a stationary support at the other.
JAMES PETERS. WILLnn/r PETERS.
Witnesses:
ALBERT H. WAGNER, WM. PAUL OELsonLAGER.
US32002006A 1906-06-04 1906-06-04 Fire-door. Expired - Lifetime US834681A (en)

Priority Applications (1)

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US32002006A US834681A (en) 1906-06-04 1906-06-04 Fire-door.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US32002006A US834681A (en) 1906-06-04 1906-06-04 Fire-door.

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034437A (en) * 1975-09-19 1977-07-12 Robertson Lyman H Pressure-free fail-safe emergency door closer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4034437A (en) * 1975-09-19 1977-07-12 Robertson Lyman H Pressure-free fail-safe emergency door closer

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