US348657A - Night-latch - Google Patents

Night-latch Download PDF

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Publication number
US348657A
US348657A US348657DA US348657A US 348657 A US348657 A US 348657A US 348657D A US348657D A US 348657DA US 348657 A US348657 A US 348657A
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United States
Prior art keywords
latch
night
tumblers
locking
wings
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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
    • E05C1/00Fastening devices with bolts moving rectilinearly
    • E05C1/08Fastening devices with bolts moving rectilinearly with latching action
    • E05C1/12Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
    • E05C1/16Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially in a plane substantially parallel to the wing or frame
    • E05C1/163Cylindrical or tubular latches
    • 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
    • Y10T292/096Sliding
    • Y10T292/0969Spring projected
    • Y10T292/097Operating means
    • Y10T292/0977Cam
    • Y10T292/0982Bolt blocking or disabling means
    • Y10T292/0983Involves rollback
    • Y10T292/0984Rollback members located on separate spindles
    • 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
    • Y10T292/096Sliding
    • Y10T292/0969Spring projected
    • Y10T292/097Operating means
    • Y10T292/0977Cam
    • Y10T292/0982Bolt blocking or disabling means
    • Y10T292/0986Discrete push or pull actuator
    • 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
    • Y10T292/096Sliding
    • Y10T292/1014Operating means
    • Y10T292/1022Rigid
    • Y10T292/1031Swinging catch

Definitions

  • My invention relates to certain new and useful improvements in night-latches, and has for its object to provide a night-latch whose construction shall be simple and in which the knobs upon either or upon both sides of the door to which it is attached may be locked fast, so that the latch-bolt can be retracted only by a key; and with these ends in View my invention consists in the details ofconstruction and combination of elements hereinafter fully explained, and then recited in the claim.
  • A is the lock-shell, of ordinary construction, and B is the latclrbolt, preferably reversible, so as to make the latch either right or left handed.
  • a latch-yoke, C is swiveled to the heel end of the latch-bolt spindle.
  • D E are independent latch-hubs adapted to be turned by any suitable form of knob-spin dles and knobs, and provided with projecting wings F G, engaging with lugs on the latchyoke, whereby the latter and the bolt may be withdrawn, as in ordinary latches.
  • I are a pair of T-shaped locking-tumblers independently pivoted upon a single pin, J, secured in the lock-shell, and provided with square notches adapted to hold upon the extremities of the hub-wings F, and thus hold the latter as against rotation.
  • K L are a pair of sliding push-bars having bearings in lugs cast on the back shell, whose forward ends are pivotally attached to the up per ends of the short arms of the tumblers, and whose heads protrude through openings in the face-plate of the latch.
  • M is a spring engaging with both push-bars, and designed to prevent the accidental movement thereof in either direction.
  • N is a spring-actuated throw-off bar whose forward extremity is adapted to engage, when pushed inward,with the downwardly-projecting short arms of both the locking-tumblers, and whose head appears through an opening in the face-plate, as do the heads of the push bars.
  • 0 is a housing cast in the lock-shell,in which the latch-bolt rests when retractcd,aud through an opening at the back of the housing the bolt spindle passes.
  • either or both push-bars are pressed inward from the surface of the face plate,thereby causing the engagement of either or both notched tumblers with the tops of the hub-wings.
  • the latclrbolt may then be withdrawn by means of a key operating directly or indirectly upon the latch'yoke.
  • the throwoff bar is pressed inward from the face-plate, and by its engagement with the lower arm of the locking-tumblers raises their notched ends from the hub-wings.
  • the combination In a night-latch, the combination, with the independentlatelrhnbs adapted tobe operated I the latter out of engagement with the hub- 10 by any eonvenientknohs, and having upwardi wings substantially as specified.

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

Description

(No Model.)
W. R. BRIGGS.
NIGHT LATCH.
No. 348,657. Patented Sept. 7, 1886.
N PETERS, Phn o Lithug UNITED STATES PATENT OFFICE.
XVARREN It. BRIGGS, OF BRIDGEPORT, CONNECTICUT.
NlGHT-LATCH.
SPECIFICATION forming part of Letters Patent No. 348,657, dated September 7, 1886.
Application filed January 30, 1886. Serial No. 190,334. (No model.)
To aZZ whom, it may concern.-
Be it known that l, WARREN R. Braces, a citizen of the United States, residing at Bridgeport, in the county of Fairfield and State of Connecticut, have invented certain new and useful Improvements in flight-Latches and I 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.
My invention relates to certain new and useful improvements in night-latches, and has for its object to provide a night-latch whose construction shall be simple and in which the knobs upon either or upon both sides of the door to which it is attached may be locked fast, so that the latch-bolt can be retracted only by a key; and with these ends in View my invention consists in the details ofconstruction and combination of elements hereinafter fully explained, and then recited in the claim.
In order that those skilled in the art to which my invention appertains may fully understand its constrution and method of operation, I will proceed to describe the same in detail, referring by letter to the accompanying drawings, forming a part of this specification, in which- Figure 1 is an elevation of my latch with one side of the lock-shell removed, and Fig. 2 a section taken at the line a a: of Fig. 1.
Similar letters denote like parts in boththe figures of the drawings.
A is the lock-shell, of ordinary construction, and B is the latclrbolt, preferably reversible, so as to make the latch either right or left handed. A latch-yoke, C, is swiveled to the heel end of the latch-bolt spindle.
D E are independent latch-hubs adapted to be turned by any suitable form of knob-spin dles and knobs, and provided with projecting wings F G, engaging with lugs on the latchyoke, whereby the latter and the bolt may be withdrawn, as in ordinary latches.
II I are a pair of T-shaped locking-tumblers independently pivoted upon a single pin, J, secured in the lock-shell, and provided with square notches adapted to hold upon the extremities of the hub-wings F, and thus hold the latter as against rotation.
K L are a pair of sliding push-bars having bearings in lugs cast on the back shell, whose forward ends are pivotally attached to the up per ends of the short arms of the tumblers, and whose heads protrude through openings in the face-plate of the latch.
M is a spring engaging with both push-bars, and designed to prevent the accidental movement thereof in either direction.
N is a spring-actuated throw-off bar whose forward extremity is adapted to engage, when pushed inward,with the downwardly-projecting short arms of both the locking-tumblers, and whose head appears through an opening in the face-plate, as do the heads of the push bars.
0 is a housing cast in the lock-shell,in which the latch-bolt rests when retractcd,aud through an opening at the back of the housing the bolt spindle passes.
In my latch, when both latch-hubs are free to be turned by the knobs both locking-tumblers are out of engagement with the hubwings and both push-bars are flush with the surface of the face-plate.
To lock either or both hubs against the action of the knobs, either or both push-bars are pressed inward from the surface of the face plate,thereby causing the engagement of either or both notched tumblers with the tops of the hub-wings. The latclrbolt may then be withdrawn by means of a key operating directly or indirectly upon the latch'yoke. To throw off the tumblers and leave the hubs freeto turn, the throwoff bar is pressed inward from the face-plate, and by its engagement with the lower arm of the locking-tumblers raises their notched ends from the hub-wings.
I am aware that it is not new to lock the knobs of a night-latch as against rotation, and I do not desire to be understood as laying claim, broadly, to said independent locking as a feature of my devising.
The features of ready application to either handed doors and the feature of double looking I have found to be exceedingly advantageous, the latter especially for use in passagedoors or those connecting adjoining rooms.
Having thus described my invcntio1i,what I claim as new, and desire to secure by Letters Patent, is-
In a night-latch, the combination, with the independentlatelrhnbs adapted tobe operated I the latter out of engagement with the hub- 10 by any eonvenientknohs, and having upwardi wings substantially as specified.
ly-projeeting wings, of a. pair of T- shaped piv- In testimony whereof I affix my signature in oted and notched 'locking'tumblers, push-bars presence of two witnesses.
5 controlling the same and extending through T T the face-plate and pivoted to said tumblers, ARREL BRIGGS and a throw-off bar whose forward extremity Vitnesses: engages with the downwardly extending arms S. S. XVILLIAMsoN, of the locking-tumblers, and is adapted to raise \V. T. HAVILAND.
US348657D Night-latch Expired - Lifetime US348657A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715036A (en) * 1952-08-09 1955-08-09 Miller Julius Tubular latch
US4695082A (en) * 1986-02-26 1987-09-22 Marks George R Reversible mortise lock
US9260893B1 (en) * 2009-04-16 2016-02-16 Interlock Usa, Inc. Window lock

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2715036A (en) * 1952-08-09 1955-08-09 Miller Julius Tubular latch
US4695082A (en) * 1986-02-26 1987-09-22 Marks George R Reversible mortise lock
US9260893B1 (en) * 2009-04-16 2016-02-16 Interlock Usa, Inc. Window lock

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