US413A - Mortise-latch for fastening doors - Google Patents

Mortise-latch for fastening doors Download PDF

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Publication number
US413A
US413A US413DA US413A US 413 A US413 A US 413A US 413D A US413D A US 413DA US 413 A US413 A US 413A
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US
United States
Prior art keywords
tumbler
bolt
mortise
latch
guard
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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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B55/00—Locks in which a sliding latch is used also as a locking bolt
    • Y—GENERAL 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5093—For closures
    • Y10T70/5155—Door
    • Y10T70/5199—Swinging door
    • Y10T70/5372—Locking latch bolts, biased
    • Y10T70/5385—Spring projected
    • Y10T70/5389—Manually operable
    • Y10T70/55—Dogged bolt or connections

Definitions

  • the said invention or improvement is designed for mortise latches of any size and it consists of a circular tumbler-which I term a rotary or revolving guard-of a thickness nearly equal to the space between the plates of the lock and revolving upon gudgeons one gudgeon playing in each plate.
  • This tumbler or guard when in one position confines the bolt, a lip or shoulder of the bolt upon its being attempted'to be drawn back striking against the tumbler or guard so that it cannot be drawn back and the door is locked.
  • the bolt may be drawn back, the lip or shoulder of the bolt passing into a groove or notch cut in the tumbler for that purpose.
  • Figure 1 represents the lock with one plate removed so as to give a view of the bolt, tumbler or guard, springs, &c., the parts being in the positions which they occupy when the bolt is at liberty to be drawn back and the door is unlocked.
  • a B C is the circular tumbler or guard of which C is the center, A being the groove or notch into which the lip D of the bolt passes as it is drawn back.
  • the tumbler is held in its place by the spring S P. Vhen the tumbler or guard is in this position the bolt may be drawn back by the knob or in common mortise latches'and the door opened.
  • the* ⁇ pod of which is represented at L is turned fro-In L through II and C to I( and as the key turns the pod, striking the shoulder in the notch C carries the tumbler round until the lip of the spring S strikes the shoulder in the'notch of the tumbler at R.
  • the tumbler is 'thus brought into the position indicated by the dotted lines, the part: of the tumbler at T being brought do-wn against the lip of the bolt and in attempting to draw the bolt the lip D strikes against the tumbler and the bolt is held in its place and the door locked.
  • the key is turned in the other direction fromV L through K & C to H and the pod of the key striking the other shoulder of the notch C carries the tumbler back to its first poi sition.
  • Fig. 2 gives a view of the edge of the lock and Fig. 3 a view of the end and plate in which the bolt plays.

Description

nutren srArns PATENT OFFICE.
CHARLES S. GAY, OF NASHUA, NEW HAMPSHIRE.
MORTISE-LATCH FOR FASTENING DOORS.
Specification of Letters Patent No. 418, dated September 28, 1837.
To all whom it may concern Be it known that I, CHARLES S. GAY, of Nashua, in the county of Hillsborough and State of New Hampshire, have invented a new and Improved Mode of Fastening Door- Latches, called the Mortise-Latch; and I do hereby declare that the following is a full and exact description of the same.
The said invention or improvement is designed for mortise latches of any size and it consists of a circular tumbler-which I term a rotary or revolving guard-of a thickness nearly equal to the space between the plates of the lock and revolving upon gudgeons one gudgeon playing in each plate. This tumbler or guard when in one position confines the bolt, a lip or shoulder of the bolt upon its being attempted'to be drawn back striking against the tumbler or guard so that it cannot be drawn back and the door is locked. Upon turning the tumbler or guard by means of a key into another position, the bolt may be drawn back, the lip or shoulder of the bolt passing into a groove or notch cut in the tumbler for that purpose.
In the accompanying drawings to which reference is made and which are to be considered a part of this specification, Figure 1 represents the lock with one plate removed so as to give a view of the bolt, tumbler or guard, springs, &c., the parts being in the positions which they occupy when the bolt is at liberty to be drawn back and the door is unlocked.
A B C is the circular tumbler or guard of which C is the center, A being the groove or notch into which the lip D of the bolt passes as it is drawn back. The tumbler is held in its place by the spring S P. Vhen the tumbler or guard is in this position the bolt may be drawn back by the knob or in common mortise latches'and the door opened. To lock the door the key, the*` pod of which is represented at L is turned fro-In L through II and C to I( and as the key turns the pod, striking the shoulder in the notch C carries the tumbler round until the lip of the spring S strikes the shoulder in the'notch of the tumbler at R. The tumbler is 'thus brought into the position indicated by the dotted lines, the part: of the tumbler at T being brought do-wn against the lip of the bolt and in attempting to draw the bolt the lip D strikes against the tumbler and the bolt is held in its place and the door locked. To unlock the door the keyis turned in the other direction fromV L through K & C to H and the pod of the key striking the other shoulder of the notch C carries the tumbler back to its first poi sition. Y
Fig. 2 gives a view of the edge of the lock and Fig. 3 a view of the end and plate in which the bolt plays. l
What I claim as my invention and desire to secure by Letters Patent is- The circular tumbler or as I term itrotary guard and its application in the manner above specied to fastening and unfastening the bolt of any lock or latch.
Dated this 19th July, 1837.
CHARLES S. GAY.
Witnesses:
GEO. Y. SAWYER, SAMUEL SHEPPERD.
US413D Mortise-latch for fastening doors Expired - Lifetime US413A (en)

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US413A true US413A (en) 1837-09-28

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US413D Expired - Lifetime US413A (en) Mortise-latch for fastening doors

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909064A (en) * 1988-07-22 1990-03-20 The United States Of America As Represented By The Secretary Of The Air Force Impulse calibration of mechanical to electrical transducers
DE102013008919A1 (en) 2013-05-24 2014-11-27 Magdeburger Windkraftanlagen GmbH Rotor system for the energy conversion of kinetic energy in fluids and mass flows
DE202015001602U1 (en) 2015-02-28 2015-07-02 Wolfgang Rummel Telescopic anti-tilt device for household ladders with storage space
DE102016005536A1 (en) 2016-05-04 2017-11-09 Stefan Schnitzer Container opening device for releasing protective, offender-deterrent and / or offender-identifying substances for the protection of persons and / or objects

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4909064A (en) * 1988-07-22 1990-03-20 The United States Of America As Represented By The Secretary Of The Air Force Impulse calibration of mechanical to electrical transducers
DE102013008919A1 (en) 2013-05-24 2014-11-27 Magdeburger Windkraftanlagen GmbH Rotor system for the energy conversion of kinetic energy in fluids and mass flows
DE202015001602U1 (en) 2015-02-28 2015-07-02 Wolfgang Rummel Telescopic anti-tilt device for household ladders with storage space
DE102016005536A1 (en) 2016-05-04 2017-11-09 Stefan Schnitzer Container opening device for releasing protective, offender-deterrent and / or offender-identifying substances for the protection of persons and / or objects

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