US741190A - Key-fastener. - Google Patents

Key-fastener. Download PDF

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Publication number
US741190A
US741190A US1903147531A US741190A US 741190 A US741190 A US 741190A US 1903147531 A US1903147531 A US 1903147531A US 741190 A US741190 A US 741190A
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United States
Prior art keywords
fastener
key
plate
escutcheon
door
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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Inventor
William M Thomson
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Individual
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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 US1903147531 priority Critical patent/US741190A/en
Application granted granted Critical
Publication of US741190A publication Critical patent/US741190A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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

Definitions

  • My invention relates to an improvement in key-fasteners of that class designed for cooperation with the lcckescutoheon and includes a fastening-plate having sliding connection with the door and suitably slotted to engage the key-shank.
  • Figure 1 represents an elevation of my improved fastener, the lock-escutcheon being illustrated.
  • Fig. 2 is a perspective view of the fastener.
  • Fig. 3 is a vertical central section of Fig. 1, a
  • l represents a lock-escutcheon of desired outline and centrally formed, with a raised or projecting portion 2, forming a slideway for the operation of the fastener.
  • the fastener comprising a plate having an upset end 4 to forma handle for operation and forked or bifurcated at the opposite end, as at 5, to embrace a keyshank, as 6.
  • the plate is also formed with a slot 7 in alinement with the opening 5 near the handle ofthe plate, which latter slot receives a screw 8 to secure the device to a door.
  • my improved fastenerplate has a sliding connection with the door proper, and as the slideway 2 on the escutcheon is formed entirely across the same the fastener-plate is adapted for use from either side of the escutoheon-that is, for either a right or left door.

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  • Lock And Its Accessories (AREA)

Description

No. MQQIQIQL PATBNTED GCT. 13, 1903. W. M.' THOMSON..
KEY PASTENBR.
APPLICATION FILED MAR. 12.1903. No MODEL.
ad. ,g r' f l/Z, 750172.55017,
Patented October 13, 1903.
ATB T FFICE WILLIAM M. THOMSON, OF PINE ISLAND, MINNESOTA.
KEY-FASTENER.
SPECIFICATION forming part of Letters Patent No. 741,190, dated October 13, 1903.
Application filed March 12, 1903. Serial No. 147,531. (No model.)
To all whom it may concern:
Be it known that I, WILLIAM M; THOMSON, a citizen of the United States, residing at Pine Island, county of Goodhue, State of Minnesota, have invented certain new and useful Improvements in Lock-Fasteners, of which the following is a specification.
My invention relates to an improvement in key-fasteners of that class designed for cooperation with the lcckescutoheon and includes a fastening-plate having sliding connection with the door and suitably slotted to engage the key-shank.
In the accompanying drawings, Figure 1 represents an elevation of my improved fastener, the lock-escutcheon being illustrated. Fig. 2 is a perspective view of the fastener.
Fig. 3 is a vertical central section of Fig. 1, a
key being shown in place.
Referring to the drawings, l represents a lock-escutcheon of desired outline and centrally formed, with a raised or projecting portion 2, forming a slideway for the operation of the fastener.
3 represents the fastener,comprising a plate having an upset end 4 to forma handle for operation and forked or bifurcated at the opposite end, as at 5, to embrace a keyshank, as 6. The plate is also formed with a slot 7 in alinement with the opening 5 near the handle ofthe plate, which latter slot receives a screw 8 to secure the device to a door.
In operation, assuming the plate to be within the raised portion or slideway 2 of the escutcheon and thescrew Ssecuredinthe plate, a sliding movement of the fastener causes the bifurcation 5 of the fastener to embrace the key-shank 6 and prevent turning of the key in either direction, it being understood that the key-shank has been turned as in locking the door before being in proper position to be engaged by the forked end of the plate.
It will be seen that my improved fastenerplate has a sliding connection with the door proper, and as the slideway 2 on the escutcheon is formed entirely across the same the fastener-plate is adapted for use from either side of the escutoheon-that is, for either a right or left door. By supporting the fastener-plate from the door rather than entirely by the escutcheon I am enabled to distribute the strain incident to an attempt to break or remove the fastener.
Having thus described my invention, what I claim is The combination with a keyhole-escutcheon formed with a central horizontal slideway in the rear face thereof, of a key-fastener comprising a bifurcated plate to be inserted in the slideway from either side of the escutchecn, said plate being formed with an elongated slot for the reception of a screw forsecuring it to the door independently of and to one side of the escutcheon-plate, whereby the bifurcated plate may be reversed in the escutcheon-plate without removing the latter from the door.
In testimony whereof I have signed Imy name to this specification, in the presence of two subscribing witnesses, March 9, 1903.
WILLIAM M. THOMSON.
Witnesses:
D. W. DAVENPORT, W. D. MARIM.
US1903147531 1903-03-12 1903-03-12 Key-fastener. Expired - Lifetime US741190A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US1903147531 US741190A (en) 1903-03-12 1903-03-12 Key-fastener.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1903147531 US741190A (en) 1903-03-12 1903-03-12 Key-fastener.

Publications (1)

Publication Number Publication Date
US741190A true US741190A (en) 1903-10-13

Family

ID=2809689

Family Applications (1)

Application Number Title Priority Date Filing Date
US1903147531 Expired - Lifetime US741190A (en) 1903-03-12 1903-03-12 Key-fastener.

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US (1) US741190A (en)

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