US350839A - Key-fastener - Google Patents
Key-fastener Download PDFInfo
- Publication number
- US350839A US350839A US350839DA US350839A US 350839 A US350839 A US 350839A US 350839D A US350839D A US 350839DA US 350839 A US350839 A US 350839A
- Authority
- US
- United States
- Prior art keywords
- key
- fastener
- bar
- bolt
- lock
- 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
Links
- 239000000789 fastener Substances 0.000 title description 22
- 210000000088 Lip Anatomy 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B13/00—Devices preventing the key or the handle or both from being used
- E05B13/04—Devices preventing the key or the handle or both from being used shaped as fork-like implements grasping and fixing the key or a handle, e.g. a thumb-turn
-
- 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
- Y10T70/70—Operating mechanism
- Y10T70/7441—Key
- Y10T70/7915—Tampering prevention or attack defeating
- Y10T70/7989—Key securers, fasteners or retainers
- Y10T70/7994—Portable
Definitions
- My invention relates to an improved keyfastener and the object of my improvement is to furnish a simple device to fasten a key in a lock on the outside or inside of a door, so that it cannot be turned in the lock.
- the keyastener is so constructed that when the door islocked and the fastener applied it cannot be unlocked without breaking the key fastener.
- Figure 1 a perspective view of the key fastener applied to a lock.
- Fig. 2 is a side elevation of the fastener.
- Fig. 3 is aside elevation of the same, a portion thereof being shown in section.
- Fig. 4 is a sectional detail.
- a A is a common door-lock and key.
- B is a thin bar of metal having twothirds ofits upper edge notched and one end rounded.
- C is a piece of tube, closed at its lower end, and having a slot cut through it and partly closed at its upper end.
- D is a small thumb-screw that screws into a bolt, E.
- E is a small bolt having its lower end bev eled off to fit the notches in bar B.
- F is a coil-spring pressing down bolt F.
- G represents the slot in tube 0 through which bar B passes, with the bolt E projecting into it.
- ⁇ Vhat I claim is In a key-fastener, the combination, with a notched bar adapted to be inserted into the keyhole, of a hollow tube having a slot in its lower end for the reception of said bar and adapted to engage the handle of thekey, a bolt located in the tube adapted for engagement with the notches in the bar, a spring operat ing upon the bolt, and a thurnb-screw removably secured to the bolt, whereby when said fastener is applied to the key upon the outside of a door the thumb-screw may be removed, substantially as and for the purpose set forth.
Description
(No Model.)
D. T. PHILLIPS.
KEY FA'STBNBR.
No. 350,839. Patented Oct. 12, 1886.
UNITED STATES PATENT FFIQEO Kl I Y-FASTEN ER.
SPECIFICATION forming part of Letters Patent No. 350,839, dated Qetcser 12, 1886.
Application filed June 12, 1896. Serial No. 205,021. (No model.)
To all whom it may concern.-
Be it known that I, DARIUS Tnxxn'r PHIL- LIPS, a citizen ot the United States ofAmerica, residing at Chicago, in the county of Cook and State of Illinois, have invented certain new and useful Improvements in Key-Fasteners, of which the following is a specification, reference being had therein to the accompanying drawings.
My invention relates to an improved keyfastener and the object of my improvement is to furnish a simple device to fasten a key in a lock on the outside or inside of a door, so that it cannot be turned in the lock.
The keyastener is so constructed that when the door islocked and the fastener applied it cannot be unlocked without breaking the key fastener.
I attain my object by the mechanism illustrated in the accompanying drawings, in which Figure 1 a perspective view of the key fastener applied to a lock. Fig. 2 is a side elevation of the fastener. Fig. 3 is aside elevation of the same, a portion thereof being shown in section. Fig. 4 is a sectional detail.
Like letters refer to like parts in each view.
A A is a common door-lock and key.
B is a thin bar of metal having twothirds ofits upper edge notched and one end rounded.
C is a piece of tube, closed at its lower end, and having a slot cut through it and partly closed at its upper end.
D is a small thumb-screw that screws into a bolt, E.
E is a small bolt having its lower end bev eled off to fit the notches in bar B.
F is a coil-spring pressing down bolt F.
G represents the slot in tube 0 through which bar B passes, with the bolt E projecting into it.
The operation and manncrof using the keyfastener is as follows: From the shape of the notches in bar B the bar can readily be pushed forward, but cannot be drawn back on account of bolt E, which is held down by spring F. To draw bar B back the thumbscrew D in bolt E is raised, allowing bar B to slide back and forth in slot G. If thumbscrew D is removed, the key-fastener cannot be removed from either side of the door without breaking it.
In using fastener, insert tube 0 into handle of the key; then push the bar B into the keyhole as far as it will go,thns rendering it impossible to turn the key in the lock. In using it as an outside fastener, unscrew the thumbscrew and remove it altogether from thetube (.3.
\Vhat I claim is In a key-fastener, the combination, with a notched bar adapted to be inserted into the keyhole, of a hollow tube having a slot in its lower end for the reception of said bar and adapted to engage the handle of thekey, a bolt located in the tube adapted for engagement with the notches in the bar, a spring operat ing upon the bolt, and a thurnb-screw removably secured to the bolt, whereby when said fastener is applied to the key upon the outside of a door the thumb-screw may be removed, substantially as and for the purpose set forth.
In testimony whereof I affix my signature in presence of two witnesses.
DARIUS TENNET PHILLIPS.
Vitnesses:
W. Rossrrnn, F. Mitts.
Publications (1)
Publication Number | Publication Date |
---|---|
US350839A true US350839A (en) | 1886-10-12 |
Family
ID=2419901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US350839D Expired - Lifetime US350839A (en) | Key-fastener |
Country Status (1)
Country | Link |
---|---|
US (1) | US350839A (en) |
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0
- US US350839D patent/US350839A/en not_active Expired - Lifetime
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