US219105A - Improvement in lock face-plates - Google Patents
Improvement in lock face-plates Download PDFInfo
- Publication number
- US219105A US219105A US219105DA US219105A US 219105 A US219105 A US 219105A US 219105D A US219105D A US 219105DA US 219105 A US219105 A US 219105A
- Authority
- US
- United States
- Prior art keywords
- face
- plate
- lock
- plates
- bars
- 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
- 239000002184 metal Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B9/00—Lock casings or latch-mechanism casings ; Fastening locks or fasteners or parts thereof to the wing
- E05B9/002—Faceplates or front plates
-
- 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
- Y10T70/80—Parts, attachments, accessories and adjuncts
- Y10T70/8432—For key-operated mechanism
- Y10T70/8459—Housings
- Y10T70/8514—Face plate
Definitions
- Figure l represents a perspective view of the face-plate and Fig. 2 shows a transverse section of the face-plate, and Fig. 3represen ts atransverse; section of the face-plate and lock-case front "secured to each other.
- A represents the cast-metal face-plate, the flanges or sides a of which are thin and at right angles to the face of the plate. Near the ends of the plate are located strong cross-bars, as at a, the height of which is less than that of the flanges a, in order that their altitude may not interfere with the folding down of said flanges, or the bars themselves be affected by said folding.
- the oflice of these bars is to strengthen the plate A, and to determine the position of thelock-front b audits case B relative to the said plate, the bars being located the proper distance from each other for this purpose.
- the front b In attaching the face-plate to the lock-case, the front b is placed between the bars a, the flanges a are rolled over upon the beveled sides of the front, and the parts thus securely combined.
- the front I) of the case is of a length which corresponds to the length of the recess, of which the cross-bars a constitute the ends, and that therefore screw-holes for fastening the lock to a door are only required through the face plate, instead of through both the face-plate and lock-front, as when flanged sheet-metal face-plates without cross-bars have been attached to lock-fronts, as heretofore. It will also be seen that the cross-bars longitudinally confine the face-plate on the lock-front.
- a cast-metal face-plate for looks having sides or flanges for closing upon the sides of V a lock-front, and provided with lateral crossbars of less height than the flanges, which strengthen the plate, the recess which receives the lock-front, and admit of the inward closing or bending of the sides or flanges closely'adjacent to and over said bars, substantially as described.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Description
TJLYON. Loo-k Face-Plate.
No. 219,105. Patente d sepfc. 2, 1879.
- lock-case.
UNITED STATES PATENT OFFICE.
THOMAS LYON, OF HARTFORD, ASSIGNOR TO THE RUSSELL & ERWIN MANUFACTURING COMPANY, OF NEW BRITAIN, CONNECTICUT.
IIVIPROVEMENT IN LOCK FAC E-PLATES.
Specification forming part of Letters Patent No. 219,105, dated September 2, 1879; application filed May 9, 1879.
To all whom it may concern:
Be it known that I, THOMAS LYON, of Hartford, in the county of Hartford and State of Connecticut, have invented a certain new and useful Improvement in Face-Plates of Mortise-Locks; and I do hereby declare that the the flanges, and located at such a distance from each other as to receive and determine the position of the lock-case relative to the face-plate. The face-plate can afterward be secured to the lock-case by folding-the side flanges over upon the sides of the lock-front, as described in my application for Letters Patcut for a machine for securing the face-plates of locks to their cases.
Referring to the drawings, Figure l represents a perspective view of the face-plate and Fig. 2 shows a transverse section of the face-plate, and Fig. 3represen ts atransverse; section of the face-plate and lock-case front "secured to each other.
As shown at Figs. 1 and 2, A represents the cast-metal face-plate, the flanges or sides a of which are thin and at right angles to the face of the plate. Near the ends of the plate are located strong cross-bars, as at a, the height of which is less than that of the flanges a, in order that their altitude may not interfere with the folding down of said flanges, or the bars themselves be affected by said folding. The oflice of these bars is to strengthen the plate A, and to determine the position of thelock-front b audits case B relative to the said plate, the bars being located the proper distance from each other for this purpose.
In attaching the face-plate to the lock-case, the front b is placed between the bars a, the flanges a are rolled over upon the beveled sides of the front, and the parts thus securely combined.
It will be seen that the front I) of the case is of a length which corresponds to the length of the recess, of which the cross-bars a constitute the ends, and that therefore screw-holes for fastening the lock to a door are only required through the face plate, instead of through both the face-plate and lock-front, as when flanged sheet-metal face-plates without cross-bars have been attached to lock-fronts, as heretofore. It will also be seen that the cross-bars longitudinally confine the face-plate on the lock-front.
I do not claim a lock-front with strengthening cross-bars; neither do I claim attaching a face-plate to a lock-case by folding down the sides; but
What I do claim, and desire to secure by Letters Patent, is-
A cast-metal face-plate for looks, having sides or flanges for closing upon the sides of V a lock-front, and provided with lateral crossbars of less height than the flanges, which strengthen the plate, the recess which receives the lock-front, and admit of the inward closing or bending of the sides or flanges closely'adjacent to and over said bars, substantially as described.
THOMAS LYON.
Witnesses:
THEo. E. SMITH, M. S. WIARD.
constitute the ends of
Publications (1)
Publication Number | Publication Date |
---|---|
US219105A true US219105A (en) | 1879-09-02 |
Family
ID=2288506
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US219105D Expired - Lifetime US219105A (en) | Improvement in lock face-plates |
Country Status (1)
Country | Link |
---|---|
US (1) | US219105A (en) |
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0
- US US219105D patent/US219105A/en not_active Expired - Lifetime
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