US315845A - John b - Google Patents

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Publication number
US315845A
US315845A US315845DA US315845A US 315845 A US315845 A US 315845A US 315845D A US315845D A US 315845DA US 315845 A US315845 A US 315845A
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United States
Prior art keywords
latch
john
plate
levers
doors
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Expired - Lifetime
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00Fastening devices with bolts moving pivotally or rotatively
    • E05C3/12Fastening devices with bolts moving pivotally or rotatively with latching action
    • E05C3/16Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
    • E05C3/162Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially towards or away of the plane of the wing or frame
    • 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
    • Y10T292/0932Lever

Definitions

  • This invention relates to improvements in ⁇ that class of latches designed i'or use on sliding doors, the object being to provide a device of this character which may be used on doors of different thicknesses, and which Will dispense with the usual projecting knobs or operating-handles.
  • Figure l is a side elevation of a lock with the case-cap removed in order to show the interior, the face-plate and striking-plate being in section.
  • Fig. 2 is a transverse section in the plane x m, Fig. l; and Fig. 3, an inside view of one of the escutcheon-plates, showing the relative position of the latch-lifting lever, Fig. 4, a view of the opposite side, and Fig. 5 a detached View of the angular lever.
  • A represents the lock-ease; B, the latch-bolt; C C', the angular levers for operating the saine; D, the faceplate, and E the striking-plate.
  • the latchbolt B lies in a horizontal plane, and is secured in place at the back end by means of the pivot-post a, the front end of the latch projecting through the face-plate being pro-4 vided with the beveled catch a', which is adapted to engage with the companion catch a? on the striking-plate.
  • Fig. l shows the relative position of these parts when the doors are closed..
  • the spring c" serves to retain the latch in a normal or locked position.
  • the latch-bolt B is provided with the elongated aperture c for the reception ofthe loose end of the spindles b b', which are attached to and proj ect inwardly from the horizontal part of the angular levers C C', and have a frictional engagement with said latch, whereby the saine may be raised by pressing on the vertical part of the operating-levers C C.
  • the lock maybe conveniently attached to doors of different thick- 5o nesses, in accordance with the length of the spindles b b', which are adapted to slip past each other in a horizontal plane, as shown in Figs. 1 and 2.
  • the escutcheon may be set back so as not to interfere where wide molding is used on the door.
  • the angular levers C C are pivoted to the inner side of the escutcheon-plates F F,plaeed on each side of the door, as shown in Fig. 2. 6c
  • the escutcheons are provided with elongated apertures b2, which are inclosed part way around on one side with the curbing d, leaving one side open for the movement of the vertical end of the angularlevers.
  • This curbing forms a cupped recess for the insertion of the ngers when manipulating the latch, and the detachable back plate, d', closes the bottom of the cup.
  • the normal position of the angular levers is shown in Fig. 3, the dotted 7o lines indicating the opposite position, the back plate, d', being partly broken away in this gure, the contour being dotted in.
  • This construction and arrangement provide a very simple and convenient latch, one that can be operated from either side with the same facility, all the parts being flush with the level of the door, so that the same are free to slide clear into the jarnb and entirely out of the Way.
  • the combination with the pivoted latch-bolt B, provided with the elongated aperture ct,of the escutchcon-plates F F', provided with elongated apertures b2, and angular lever or levers C C', provided with the spindles b b, whereby said latch is raised from a locked position, substan- 9o tially as set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Description

. Patented Apr. 14, 1885.
LATCH.
J. R. SCOTT.
(N Modem www Vga.
UNITED STATES l PATENT OEEICECJ JOHN It. SCOTT, OF CHICAGO, ILLINOIS, ASSIGNOR OF ONE-HALF TO WILLIAM GERWIEN, OF SAME PLACE.
LATCH.
SPECIFICATION forming part of Letters Patent No. 315,845, dated April 14, 18855.
Application led November 4,2884. (No model.)
To all whom it may concern:
Beit known that I, JOHN R. Scor'r, of Chicago, county of Cook, and State of Illinois, have invented certain new and useful Iznprovements in Door-Latches, of which the following is a full, clear, and exactdescription, that will enable others to make and use the saine, reference being had to the accompanying drawings, forming a part of this specification.
This invention relates to improvements in` that class of latches designed i'or use on sliding doors, the object being to provide a device of this character which may be used on doors of different thicknesses, and which Will dispense with the usual projecting knobs or operating-handles. l
Figure lis a side elevation of a lock with the case-cap removed in order to show the interior, the face-plate and striking-plate being in section. Fig. 2 is a transverse section in the plane x m, Fig. l; and Fig. 3, an inside view of one of the escutcheon-plates, showing the relative position of the latch-lifting lever, Fig. 4, a view of the opposite side, and Fig. 5 a detached View of the angular lever.
Referring to the drawings, A represents the lock-ease; B, the latch-bolt; C C', the angular levers for operating the saine; D, the faceplate, and E the striking-plate. The latchbolt B lies in a horizontal plane, and is secured in place at the back end by means of the pivot-post a, the front end of the latch projecting through the face-plate being pro-4 vided with the beveled catch a', which is adapted to engage with the companion catch a? on the striking-plate. Fig. l shows the relative position of these parts when the doors are closed.. The spring c" serves to retain the latch in a normal or locked position.
The latch-bolt B is provided with the elongated aperture c for the reception ofthe loose end of the spindles b b', which are attached to and proj ect inwardly from the horizontal part of the angular levers C C', and have a frictional engagement with said latch, whereby the saine may be raised by pressing on the vertical part of the operating-levers C C. By
this form of construction the lock maybe conveniently attached to doors of different thick- 5o nesses, in accordance with the length of the spindles b b', which are adapted to slip past each other in a horizontal plane, as shown in Figs. 1 and 2. By having an elongated slot in the latch-bolt the escutcheon may be set back so as not to interfere where wide molding is used on the door.
The angular levers C C are pivoted to the inner side of the escutcheon-plates F F,plaeed on each side of the door, as shown in Fig. 2. 6c The escutcheons are provided with elongated apertures b2, which are inclosed part way around on one side with the curbing d, leaving one side open for the movement of the vertical end of the angularlevers. This curbing forms a cupped recess for the insertion of the ngers when manipulating the latch, and the detachable back plate, d', closes the bottom of the cup. The normal position of the angular levers is shown in Fig. 3, the dotted 7o lines indicating the opposite position, the back plate, d', being partly broken away in this gure, the contour being dotted in.
This construction and arrangement provide a very simple and convenient latch, one that can be operated from either side with the same facility, all the parts being flush with the level of the door, so that the same are free to slide clear into the jarnb and entirely out of the Way.
Having thus described my invention,what I claim as new, and desire to secure by Letters Patent, is-
In a latch for sliding doors, the combination, with the pivoted latch-bolt B, provided with the elongated aperture ct,of the escutchcon-plates F F', provided with elongated apertures b2, and angular lever or levers C C', provided with the spindles b b, whereby said latch is raised from a locked position, substan- 9o tially as set forth.
JOHN R. SCOTT.
Witnesses:
L. M. FREEMAN, J. B. DoNALsoN.
US315845D John b Expired - Lifetime US315845A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810284A (en) * 1954-10-18 1957-10-22 Wartian George Latch for sliding doors
US2816787A (en) * 1955-11-28 1957-12-17 Gen Motors Corp Latch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2810284A (en) * 1954-10-18 1957-10-22 Wartian George Latch for sliding doors
US2816787A (en) * 1955-11-28 1957-12-17 Gen Motors Corp Latch

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