US134325A - Improvement in keys for locks - Google Patents
Improvement in keys for locks Download PDFInfo
- Publication number
- US134325A US134325A US134325DA US134325A US 134325 A US134325 A US 134325A US 134325D A US134325D A US 134325DA US 134325 A US134325 A US 134325A
- Authority
- US
- United States
- Prior art keywords
- keys
- locks
- improvement
- key
- stuart
- 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
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
- E05B35/003—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits
- E05B35/004—Locks for use with special keys or a plurality of keys ; keys therefor for keys with movable bits pivoting about an axis perpendicular to the main key axis
-
- 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
- Y10T70/778—Operating elements
- Y10T70/7791—Keys
- Y10T70/7802—Multi-part structures
- Y10T70/7825—With pivoted or swinging bit portion
Definitions
- the aforesaid key consists of four parts so constructed and arranged that the bit is thrown out by an inward pressure on the handle or bow of the key, and when the bolt of the lock is properly constructed it will not be necessary to turn the key at all to unlock the door, the bolt being forced back simply by an inward pressure on the keybow.
- A is the sheath which incases the post or stem of the key.
- B is the stem which slides freely within the sheath, and to which the bow or handle is attached.
- 0 O are two curved pieces secured together by a pin or rivet, d.
- a rivet, e secures the curved piece 0 to the post or stem, while the rivet e fastens the piece a to the sheath.
- the two pieces 0 and 0 form the movable bit, which is thrown out and in as the handle of the key is pushed from or drawn toward the person holding or using the key.
- the sheath A combined with the stem 13, and the bit composed of the pieces 0 and c hinged together, all arranged as described, and for the purpose set forth.
Description
A. STUART.
Keys for Locks.
No. 134,325. Patented Dec 24,1872.
AM. PHUTD-LITHDERAPHIC CQ/VYJbSBUfiNE'S PROCESS! ADDISON A. STUART, OF CEDAR RAPIDS, IOWA.
IMPROVEMENT IN KEYS FQR LOCKS.
Specification forming part of Letters Patent No. 341,325, dated December 24, 1872.
To all whom it may concern:
Be it known that I, ADDISON A. STUART, of Cedar Rapids, Linn county, and State of Iowa, have invented a new and useful Improvement in Door-Keys and I hereby declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawing which forms a part of this specification. V
The aforesaid key consists of four parts so constructed and arranged that the bit is thrown out by an inward pressure on the handle or bow of the key, and when the bolt of the lock is properly constructed it will not be necessary to turn the key at all to unlock the door, the bolt being forced back simply by an inward pressure on the keybow.
Description of Drawing.
Fig. 2
used in any lock arranged with reference to the peculiar form of the same.
A is the sheath which incases the post or stem of the key. B is the stem which slides freely within the sheath, and to which the bow or handle is attached. 0 O, are two curved pieces secured together by a pin or rivet, d. A rivet, e, secures the curved piece 0 to the post or stem, while the rivet e fastens the piece a to the sheath. The two pieces 0 and 0 form the movable bit, which is thrown out and in as the handle of the key is pushed from or drawn toward the person holding or using the key.
0 lm' m.
What I claim as my invention, and wish to secure by Letters Patent, is
The sheath A combined with the stem 13, and the bit composed of the pieces 0 and c hinged together, all arranged as described, and for the purpose set forth.
ADDISON A. STUART.
Witnesses:
N. B. BROWN, J OHN M. MORTON.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US134325A true US134325A (en) | 1872-12-24 |
Family
ID=2203741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US134325D Expired - Lifetime US134325A (en) | Improvement in keys for locks |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US134325A (en) |
-
0
- US US134325D patent/US134325A/en not_active Expired - Lifetime
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