CA2080847A1 - One piece security device to prevents the rotation of deadbolt latch - Google Patents

One piece security device to prevents the rotation of deadbolt latch

Info

Publication number
CA2080847A1
CA2080847A1 CA 2080847 CA2080847A CA2080847A1 CA 2080847 A1 CA2080847 A1 CA 2080847A1 CA 2080847 CA2080847 CA 2080847 CA 2080847 A CA2080847 A CA 2080847A CA 2080847 A1 CA2080847 A1 CA 2080847A1
Authority
CA
Canada
Prior art keywords
deadbolt
security device
latch
piece
key
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.)
Abandoned
Application number
CA 2080847
Other languages
French (fr)
Inventor
Charles E. Martel
Jean-Guy Levert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LEVERT JEAN GUY
Original Assignee
Individual
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.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CA 2080847 priority Critical patent/CA2080847A1/en
Publication of CA2080847A1 publication Critical patent/CA2080847A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B13/00Devices preventing the key or the handle or both from being used
    • E05B13/04Devices 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

Landscapes

  • Securing Of Glass Panes Or The Like (AREA)

Abstract

ABSTRACT OF THE DISCLOSURE
The present invention relates to an improved one piece security device. The improved security device is designed to engage the shaft of a doorknob. The one piece device which has and opening therein to receive either the latch of a deadbolt or the key head of a key inserted into a deadbolt. The improved security device, when in place, prevents entry into a dwelling by a person unlocking a deadbolt by preventing the rotation of a deadbolt latch or a key head inserted into the deadbolt.

Description

, 2080~7 SUMMARY OF THE INVENTION
The present invention relates to an improved security device. The present invention includes the following interrelate aspects and features: ~
a) In a first aspect, the present invention includes a device which is designed to prevent entry into a dwelling or the like by restricting the movement of a latch in a single keyed-deadbolt or a key head, while in a double keyed deadbolt. The improved one piece security device includes a U-shaped lower part designed to slide over the shaft of a doorknob.
b) The one piece locking device includes an opening therein which is designed to secure a deadbolt latch or a key head located in a deadbolt in the locked position to prevent entry into a dwelling or the like.
c) The one piece device is a combined octagon (fig.1) opening which is designed to receive a latch from a deadbolt and prevent rotation thereof from the locked position to the unlocked position, and a slot configuration to receive a key head while the key is inserted into a double keyed deadbolt.
d) In use the one piece device is slid over the shaft of a doorknob. The deadbolt is then locked by operation of a latch if simple keyed or the turning of a key if double keyed. The one piece device, in the case of a single keyed deadbolt may be inserted ovar the latch in the locked position thereby preventing rotation thereof and unlocking the door. Alternatively, if a double keyed deadbolt is used, the one piece device may be inserted over the exposed keyhead in the deadbolt cylinder, thereby preventing rotation of the key and unlocking of the door.
Accordingly , it is a first object of the present invention to provide an improved security device.
It is a further object of the present invention to provide a security device which includes means to prevent the unlocking of a deadbolt by restraining the rotation of a latch or key head therein.
It is a yet further object of the present invention to provide an improved security device which includes adjustable features to permit utilizing the device in various configurations of doorknobs and associated deadbolts.
These and other objects, aspects and features of the present invention will be better understood from the following detailed description of the preferre~ embodiment when read in conjunction with the appended drawing figures.

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20~08~7 BRIEF DESCRIPTION OF THE DRAWINGS
Figure 1 shows a perspective view of the improved security device, exploded to show greater detail.
Figure 2 shows the improved security device in a exemplary use.

SPECIFIC DESCRIPTION OF THE PREFERRED EMBODIMENT
With reference to figure 1 firstly, the present invention is des1gnated by the reference numeral 1 and is seen with one piece device,2 an octoganal ,3 an o key slot opening in an upper region.
The U-shaped lower portion which is designed to receive the shaft of an interior doorknob when the improved security device is in i use. The octagonal and key slot opening in the one piece device is designed to receive the latch of a deadbolt when in the locked position and or to receive a key head inserted in a double keyed deadbolt while in the locked position.
With reference to figure 2, an exemplary use of the improved security device is illustrated. As can be seen from figure 2, the lower portion 11 is slid over the shaft 15 of the doorknob 12 on door 16. The octogonal key slot opening of the one piece device 2 is show having inserted therein the latch 14 and key of the deadbolt 13 in this configuration, one piece device 2 prevents rotation of the deadbolt latch and key 4 to prevent unlocking of the door. Configuration of the lower portion of the device 11 permits vertical adjustement of the improved security device so as ; to accommodate different spacings between the doorknob 12 and a deadbolt 13.
The improved security device may be made of any material, preferably made of plastic so as not to damage a door or hardware associated therewith.
The improved security device may be used in conjunction with doors having deadbolts therein in multi-unit dwe,~lings, shared accommodations, temporary homes, motels or the li~e. The improved security device provides advantages over other known prior art devices. For example, no professional installation is required in utilizing the improved security device. The improved security device is designed to fit different spacings between doorknobs and associated deadbolts. Furthermore, the improved security device is - designed, so it can be carried and used as a personnal security device when travelling.

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208~7 As such , an invention has been disclosed in terms of a preferred embodiment thereof which fulfills each and every one of the objects of the invention as set forth hereinabove and provides a new and improved security dev1ce of great nove1ty and uti1ity.
Of course, various changes, modifications and alterations in the teachings of the present invention may be contemplated by those skilled in the art without departing from the intended spirit and scope thereof. As such , it is intended that the present invention only be limited by the terms of the appended claims.

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Claims

The embodiments of the invention in which an exclusive property or privilege is claimed are defined as follows:
1. An improved one piece security device mountable on an inside surface of a closure and comprising:
a) a U-shaped lower portion b) a locking plate having the said one piece device having an octogonal key slot opening in the upper region being adapted to engage a latch of a deadbolt and being also adapted to engage a key head of a key inserted into a deadbolt.
CA 2080847 1992-10-19 1992-10-19 One piece security device to prevents the rotation of deadbolt latch Abandoned CA2080847A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA 2080847 CA2080847A1 (en) 1992-10-19 1992-10-19 One piece security device to prevents the rotation of deadbolt latch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA 2080847 CA2080847A1 (en) 1992-10-19 1992-10-19 One piece security device to prevents the rotation of deadbolt latch

Publications (1)

Publication Number Publication Date
CA2080847A1 true CA2080847A1 (en) 1994-04-20

Family

ID=4150566

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2080847 Abandoned CA2080847A1 (en) 1992-10-19 1992-10-19 One piece security device to prevents the rotation of deadbolt latch

Country Status (1)

Country Link
CA (1) CA2080847A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140175814A1 (en) * 2012-12-21 2014-06-26 Holsopple Security Solutions LLC Security door block

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140175814A1 (en) * 2012-12-21 2014-06-26 Holsopple Security Solutions LLC Security door block

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Legal Events

Date Code Title Description
FZDE Dead