US1193531A - Fastening- device fob doobs - Google Patents

Fastening- device fob doobs Download PDF

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US1193531A
US1193531A US1193531DA US1193531A US 1193531 A US1193531 A US 1193531A US 1193531D A US1193531D A US 1193531DA US 1193531 A US1193531 A US 1193531A
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Prior art keywords
door
lever
striker
lug
fastening device
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00Locks or fastenings for special use
    • E05B65/08Locks or fastenings for special use for sliding wings
    • E05B65/0811Locks or fastenings for special use for sliding wings the bolts pivoting about an axis perpendicular to the wings
    • 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
    • Y10T292/00Closure fasteners
    • Y10T292/08Bolts
    • Y10T292/0911Hooked end
    • Y10T292/0937Gravity actuated
    • Y10T292/0938Operating means
    • Y10T292/0941Lever

Description

Patented Aug. 8,
|. W. FOGG.
FASTENING DEVICE FOR moons.
APPLlCATlON FILED NOV. 3. 1915 Invenior. JM, 247% a s'ra'rns IRA w. nose, or LYNN, MASSACHUSETTS.
Y FASTENING DEVICE FOR DOORS.
Specification of Letters Patent.
Patented Aug. 8, 1916.
Application filed November 3, 1915. Serial No. 59,474.
To all whom it may concern Be it known that I, IRA W. Fooo, a citizen of the United States, residing in Lynn, in the county of Essex and State of Massachusetts, have invented an Improvement in Fastening Devices for Doors, of which the following description, in connection with the accompariying drawings, is a specification, like characters on the drawings representing like parts.
This invention relates to a fastening device or latch mechanism for doors and the like, and has for its object to provide a fastening device, which is automatically operated to fasten the door by merely closing the latter, and which can be operated to release the door from either side by merely lifting a handle for the door.
To this end, the fastening device comprises a latching member, which is carried by the door casing and cooperates with a striker carried by the door to fasten the latter in its closed position, and said latching member has cooperating with it a member carried by the door to disengage the latching member from the striker, and said disengaging member has cotiperating with it means for actuating it, which preferably constitutes a handle for the door.
The members of the fastening device are constructed and arranged so that by merely lifting the handle, the disengaging member is operated to release the latching member from the striker and thus unlatch the door, so that the latter can be opened from the outside by pulling upon the handle or from the inside by pushing upon the handle or upon the door. Provision is also made for locking the door as will be described.
These and other features of this invention will be pointed out in the claims at the end of this specification.
Figure 1 is an elevation of a portion of a door provided with a fastening device embodying this invention. Fig. 2, an enlarged view in section and plan to illustrate the fastening device. Fig. 3, a section on the line 33, Fig. 2. Fig. 1, a section on the line 4-4, Fig. 2, and Fig. 5, a section on the line 5-5, Fig. 2.
Referring to the drawing, a represents a door and b the jamb or casing therefor, which are of ordinary or well-known construction. The door a is provided on its inner side with an opening or slot 10 with which cooperates a striker, preferably in the form of a plate 12, to form the bottom wall of the slot 10 at its entrance or outer end, and with which cooperates the latching -member of the fastening device for the door.
The latching member is preferably made as herein shown and consists of a lever 13 (see Fig. 5) pivoted at 14 near its rear end and provided near its front end with a lug 15, which projects from the underside of. said lever and is adapted to engage the striker .plate '12.
The lug 15 is provided with a substan tially straight rear face 16 and with an inclined or camshaped front face 17, the latter being designed to strike the plate 12 and raise the front end of the lever 13 and allow the striker plate to pass behind the lug and engage the straight rear face of the latter, when the door is closed.
The engagement of the straight face 16 of the lug 15 with the striker plate, fastens the door in its closed position, represented in Figs. 1, 2 and5, until the lever 13 is lifted,
so that the lug 15 clears the upper edge of the striker plate 12, as represented by dotted lines in Fig. 5. The lever 13 is lifted so as to unlatch thedoor by a disengaging member, which is shown as a lever 20, (see Figs. 2 and 3) which is located in a slot 21 extended from the front edge of the door substantially at right angles to the slot 10 and coinmunicating with the latter.
The lever 20 has its long arm 22 extended under the front end of the lever 13 and has its short arm 23 extended into a slot 24, which ismade to extend through the door as herein shown and is closed at its opposite ends by plates 25, 26, provided with ears 27 28, to which are pivoted levers 29, 30, having at their outer ends enlargements 31, 32, which constitute handles for the door. The levers 29, 30, have their inner ends extended over the short arm 23 of the disengaging lever 20, (see Figs. 2 and 1) so that the short arm 23 is depressed when either of the handles 31, 32 is elevated, and the depression of the short arm 23 elevates the long arm 22 of the lever 20 and thereby lifts the latching lever 13 so as to have the holding lug 15 clear the striker plate 12, and thereby leave the door free to be opened from the outside by pulling upon the handle 31 or from the inside by pushing upon the handle 32 or upon the door itself. When the door a is opened, the latching lever 13 drops by gravity until it strikes a suitable stop, which is herein carrying objects shown as a pin 35 (see Fig. 5), and in its lowered position, the inclined face 17 of the holding lug 15 is brought into proper position to be engaged by the striker plate 12 when the door is closed, the said striker plate acting on the inclined or cam-shaped front face 17 to elevate the latching lever 13 and allow the striker plate to pass behind the lug 15 and thereby permit the lever 13 to drop into its full line position shown in Fig. 5 and automatically latch or fasten the door in the closed position of the latter.
It will thus be seen from the above description, that the door is automatically fastened when the door is moved into its closed position and is capable of being easily opened by merely lifting upon one of the handles and pulling or pushing upon the said handle according to which handle is lifted. A fastening device such as described, enables the door to be opened by a person in the hands, inasmuch as be lifted by the back of the hands, by the knee, or other part of the body, which is especially advantageous in sick rooms, as the nurse or other attendant can have the hands occupied in holding devices and yet be able to open the door without stopping to place the things she may be carrying upon the fioor or other support.
The latching lever 13 may be pivoted in a metal case 40, which is capable of being slipped into the slot 41 in the door casing and fastened in place by screws 42 or otherwise, and the lever 20 may be pivoted in a similar metal case 413.
Provision is made for locking the door in its closed position, and, for this purpose, a bolt 44 see Fig. 1), is arranged on the door so as to be moved over the latching lever 13 and prevent the latter being lifted by the disengaging lever 20. The bolt 44 may be operated by a suitable key inserted through a keyhole 45 in a manner well understood.
I have herein shown one construction of fastening device embodying this invention, but it is not desired to limit the invention to the particular construction shown.
Claims:
1. In a fastening device for doors, in combination, a latching member carried by the door casing and projecting into the path of movement of the side of the door, a striker carried by the side of the door and cooperating with said latching member to hold the door in its closed position, a disengaging member carried by the door and arranged the handles can door casing and substantially parallel with said striker and substantially at right angles with the latching member to effect disengagement of said member from said striker, and a handle pivoted to the outside of the door and having an arm extended into the door substantially parallel with said latching member to engage the disengaging member.
2. In a fastening device for doors, in combination, a lever carried by the door casing and provided with 2. lug having'a substantially straight rear face and a cam-shaped front face and having its free end extended beyond said lug, the side of the door and cooperating with said lug to lift the said lever by engagement with the cam-shaped face thereof and to hold the door in its closed position by engagement with the substantially straight rear face of said lug, a lever carriedby the door and arranged substantially at right angles to the lever carried by the door casing and cooperating with the portion thereof beyond the said lug from said striker plate, and means for operating said disengaging lever.
3. In a fastening device for doors, in combination, a latching member carried by the lug and arranged substantially parallel with the edge of the door in the closed position of the latter, a striker carried by the side of the door and cooperating with said hold provided with a holding a striker plate carried by ing lug, and means carried by the door and extended transversely with relation to said latching member to disengage said holding lug from said striker.
4:. The combination with a door provided with a slot extended from one edge thereof and having a transverse striker slot located in the side of the door near the edge thereof and a transverse handle slot located in the side of the door. removed from the edge thereof, a lever located in the first-mentioned slot, a striker in the striker slot, a handle pivoted to the outside'of said door and having an arm extended into the handle slot to engage said lever, of a door casing having pivoted thereto a lever which projects into the path of movement of the side of said door to enter the striker slot and engage the said striker and the first-mentioned lever.
In testimony whereof, I have signed my name to this specification.
IRA w. FOGG.
Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents.
Washington, D. C.
US1193531D Fastening- device fob doobs Expired - Lifetime US1193531A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8678451B2 (en) * 2012-04-11 2014-03-25 Jim Martin Gate latch
US10006231B2 (en) * 2015-09-18 2018-06-26 Dean G Grommet Double lever latch device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8678451B2 (en) * 2012-04-11 2014-03-25 Jim Martin Gate latch
US10006231B2 (en) * 2015-09-18 2018-06-26 Dean G Grommet Double lever latch device

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