US1139311A - Door-latch. - Google Patents

Door-latch. Download PDF

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Publication number
US1139311A
US1139311A US1914856582A US1139311A US 1139311 A US1139311 A US 1139311A US 1914856582 A US1914856582 A US 1914856582A US 1139311 A US1139311 A US 1139311A
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United States
Prior art keywords
door
latch
hooked
arm
plate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Inventor
Frederick Elijah Richardson
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Frederick Elijah Richardson
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Frederick Elijah Richardson filed Critical Frederick Elijah Richardson
Priority to US1914856582 priority Critical patent/US1139311A/en
Application granted granted Critical
Publication of US1139311A publication Critical patent/US1139311A/en
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Expired - Lifetime legal-status Critical Current

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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
    • Y10T292/0926Spring projected
    • Y10T292/0928Operating means
    • Y10T292/0934Rigid

Description

F. E. RICHARDSON.
DOOR LATCH.
APPLICATION FILED ue.13, 1914.
1,139,31 1 Patented May 11, 1915.
5 c0. PHOTO-LITHQ, WASHINGTON. D. c
FREDERICK ELIJAH RICHARDSON, OF'MANCHESTER, IOWA.
DOOR-LATCH.
Specification of Letters Patent.
Patented May 11, 1915.
Application filed August 13, 1914. Serial No. 856,582.
To all whom it may concern: I
Be it known that I, FREDERICK E. RIGH- ARDSON, a citizen of the United States, and a resident of Manchester, in the county of Delaware and State of Iowa, have invented certain new and useful Improvements in Door-Latches, of which the following is a specification.
My invention relates to means for holding doors in closed position, particularly sliding doors such as are used on barns and the like, and is an improvement over the form shown and described in my Letters Patent of the United States bearing date of March 6, 1900, No. 644,946 which is intended only for hinged doors.
My invention is fully described in the following specification, of which the accompanying drawing forms a part, said draw- 1ng being a horizontal section taken through a door and frame and with which my invention is connected, said door being indicated by the reference character 1 and the door frame by the character 2.
Secured to the door is a plate 3 having outwardly directed arms 4 carrying a pivot pin 5 for a latch 6 having two arms 7 and 8 arranged at a substantially right angle to each other; the arm 7 is provided with a hooked end 9 normally forced against the plate 3 by means of a spring 10 coiled on the pin 5, and the arm 8 is also provided with a hooked end 11, if desired, the latter arm being passed through and movable in a slot in the door.
Secured to the door frame is a yokeshaped keeper 12, by screws 13 or the like,- and which keeper projects beyond the edge of the frame and over the plate 3 when the door is in closed position, and is adapted to raise the hooked end 9 and pass thereunder, whereby it may be engaged by said end to prevent accidental withdrawal; however, if the handle end 11 be moved to revolve the latch on its pivot, said end 9 may be raised to allow the door to be slid open, the spring 10 returning the latch to normal position when the manual pressure thereon is released.
I may also, as shown, employ a wire yoke 14 to pass between the arms 4 and the latch arm 8 to prevent the movement of the latch on its pivot, said yoke having a ring 15 at the outer end thereof through which the bow 16 of a pad-lock 17 may be passed to lock said yoke to the arm 7, and thus lock the door against unauthorized opening.
It will thus be seen that I provide a very simple though efficient latch for sliding doors, and which may be used as a look for the door in conjunction with the yoke 14 and pad-lock 17, and which latch may be operated from the outside or from the inside of the door in its normal use.
Having fully described my invention, what I claim as new, and desire to secure by Letters Patent, is
A sliding door latch, comprising a plate secured to a door, a lever pivoted thereon and provided with two arms substantially perpendicular to each other, one of which projects through said door and the other of which is hooked at its end, a spring for maintaining said hooked end against said plate, and a stationary keeper on the door frame adapted to be engaged by said hooked end to hold said door in closed position.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
FREDERICK ELIJAH RICHARDSON. Witnesses:
J. ,M. COOLIDGE, EDITH PEMBLE.
Copies of this trade-mark may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G.
US1914856582 1914-08-13 1914-08-13 Door-latch. Expired - Lifetime US1139311A (en)

Priority Applications (1)

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US1914856582 US1139311A (en) 1914-08-13 1914-08-13 Door-latch.

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US1914856582 US1139311A (en) 1914-08-13 1914-08-13 Door-latch.

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US1139311A true US1139311A (en) 1915-05-11

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US1914856582 Expired - Lifetime US1139311A (en) 1914-08-13 1914-08-13 Door-latch.

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