US851868A - Locking device for conataining-cases. - Google Patents
Locking device for conataining-cases. Download PDFInfo
- Publication number
- US851868A US851868A US1906302664A US851868A US 851868 A US851868 A US 851868A US 1906302664 A US1906302664 A US 1906302664A US 851868 A US851868 A US 851868A
- Authority
- US
- United States
- Prior art keywords
- door
- screw
- head
- opening
- plate
- 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
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C5/00—Fastening devices with bolts moving otherwise than only rectilinearly and only pivotally or rotatively
- E05C5/02—Fastening devices with bolts moving otherwise than only rectilinearly and only pivotally or rotatively both moving axially and turning about their axis to secure the wing
- E05C5/04—Fastening devices with bolts moving otherwise than only rectilinearly and only pivotally or rotatively both moving axially and turning about their axis to secure the wing performing both movements simultaneously, e.g. screwing into a keeper
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- 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
- Y10T292/00—Closure fasteners
- Y10T292/08—Bolts
- Y10T292/1099—Screw
Description
' PATENTED APR. 30, 1907.
E. B. CRAFT.
' LOOKING DEVICE FOR CONTAINING GASES.
APPLICATION FILED IEB.24.1906.
@0 2 for: Zzi'zaard 6 1 7; K 3
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UNITED STATES PATENT FFICE.
EDWARD B. CRAFT, OF CHICAGO, ILLINOIS, ASSIGNOIR TO IVESTERN ELEC- TRIO COMPANY, OF CHICAGO, ILLINOIS, A CORPORATION OF ILLINOIS.
LOCKING DEVICE FOR CONTAINING-CASES.
Specification of Letters Patent.
Patented April 30, 1907.
Application filed February 24,1906. Serial No. 302,664.
To aZZ whom it may concern.-
Be it known that I, EDWARD B. CRAFT, a citizen of the United States, residing at Chicago, in the county of Cook and State of Illinois, have invented a certain new and useful Improvement in Locking Devices for C011- taming-Cases, of which the following is a full, clear, concise, and exact description.
My invention relates to a locking device for a containing case or substation set, and has for its object to provide improved and simple means for locking the door of a box or other structure.
In carrying out my invention I employ a screw bolt which passes through an opening in the door of the containing case and is secured Within the case, preferably by being screwed into an angular bracket carried by one of the inner walls of the case, the opening bein countersunk to form a seat for the head of t e screw. A plate is secured to the door of the case over the opening therein, said plate having an opening therein through which the end of a screw-driver may be inserted to operate the screw and unlock the door. When said screw is thus operated, its head engages the said plate to prevent the removal of the screw from the door, said screw head preferably carrying an annular shoulder, which, when the head projects through the opening in the plate, after being unscrewed to unlock the door, engages said plate. With this arrangement the screw is revented from backing out and becoming 0st when the door is open.
I will describe my invention more in detail by reference to the accompanying drawing, which illustrates the preferred embodiment thereof, reserving for the appended claims a statement of the parts, improvements and combinations which I consider novel with me.
In the drawing, Figure 1 is a front elevation of a subscribers set equipped with my improved locking device; Fig. 2 is a longitudinal section on line 22 of Fig. 1; Fig. 3 is a detail view of the angular bracket carried within the case; and Fig. 4 is a detail view of the screw.
The same letters of reference are used to designate the same parts wherever shown.
The door a of the containing case a shown, is provided with an opening a therein through which the locking screw bolt 6 'd. Such an passes, said opening being countersunk to form a'seat a for the head I) of the bolt. An angular bracket (1 is secured to an inner wall of the case and is provided with an internally threaded hole therein adapted to receive the threaded end of the bolt 1), to lock the door.
A plate d is secured to the door over the opening therein and is provided with a hole (1 therein through which the head of the screw passes when operated to unlock the door, said screw head when the door is unlocked engaging said plate to prevent removal of the bolt from the door. The head is preferably provided with an annular shoulder b" which when the bolt is unscrewed from the bracket 0 abuts against said plate arrangement provides a better means for holding the door of a containing case or subscribers 'set securely shut than the ordinary lock, and by giving it an external resemblance to a look, as shown in Fig. 1, 7 5 it will serve very effectively as a barrier to unauthorized persons or tamperers.
I claim I The combination with a containing case, of a door having an opening therethrough 8o countersunk from its outside, a screw having an enlarged portion forming a head, said head being provided with an annular shoulder at its inner end, the countersunk portion of said opening being of a size to receive said shoulder, a plate secured to said door over the opening therein, said plate having a hole therein of a size to permit the passage of the head of said screw but not to permit the passage of said shoulder, whereby the removal 0 of said screw from the door is prevented, and a bracket secured to the inner wall of the case, said bracket having a threaded opening adapted to receive said screw to lock the door, said countersunk opening being of a 5 depth corresponding to the head of said screw whereby said screw head becomes l lush with the outer surface of said plate when the door is locked.
In witness whereof, I, hereunto subscribe my name this 12th day of F cbruary A. D.,
EDIVA R'D B. CRAFT.
WVitnesses:
ROY T. ALLOWAY, BERT STARR YORK.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1906302664 US851868A (en) | 1906-02-24 | 1906-02-24 | Locking device for conataining-cases. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1906302664 US851868A (en) | 1906-02-24 | 1906-02-24 | Locking device for conataining-cases. |
Publications (1)
Publication Number | Publication Date |
---|---|
US851868A true US851868A (en) | 1907-04-30 |
Family
ID=2920326
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US1906302664 Expired - Lifetime US851868A (en) | 1906-02-24 | 1906-02-24 | Locking device for conataining-cases. |
Country Status (1)
Country | Link |
---|---|
US (1) | US851868A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2163213A1 (en) * | 1970-12-21 | 1972-07-13 | Gen Electric | Process for converting silanes |
-
1906
- 1906-02-24 US US1906302664 patent/US851868A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2163213A1 (en) * | 1970-12-21 | 1972-07-13 | Gen Electric | Process for converting silanes |
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