US476642A - Alvah s - Google Patents
Alvah s Download PDFInfo
- Publication number
- US476642A US476642A US476642DA US476642A US 476642 A US476642 A US 476642A US 476642D A US476642D A US 476642DA US 476642 A US476642 A US 476642A
- Authority
- US
- United States
- Prior art keywords
- handle
- dial
- lock
- marks
- face
- 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 2
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B1/00—Knobs or handles for wings; Knobs, handles, or press buttons for locks or latches on wings
- E05B1/0053—Handles or handle attachments facilitating operation, e.g. by children or burdened persons
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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
- Y10T70/00—Locks
- Y10T70/70—Operating mechanism
- Y10T70/7153—Combination
- Y10T70/735—Operating elements
- Y10T70/7407—Operating indicators
Description
(No Model.)
A. s. HOBART. COMBINATION LOOK.
No. 476,642. PatentedJune '7, 1892.
45 4O 35 60 I 25 217 I5 Zifiwarea: fiweni'or 62am; 6 34a W UNTT D STATES PATENT OFFICE.
ALVAI'I S. HOBART, OF YONKERS, NEW YORK.
COMBlNATlON-LOCK.
SPECIFICATION forming part of Letters Patent No. 476,642, dated June '7, 1892.
Application filed September 24, 1890- Serial No. 366,040. (No model.)
T0 to whom it may concern.-
Be it known that I, ALVAH S. HOBART, a citizen of the United States, residing in Yonkers, county of \Vestchester, State of New York, have invented a new and useful Device for Reading the Scale on Combination or Permutation Locks, of which the following is a specification.
My invention relates to the method of reading the numbers on the dial of the lock.
The object of it is to enable the user of the lock to do so without the need of light or the use of his eyes, thus making the lock available in places where light cannot be had readily. I attain this end by means of the mechanism shown in the accompanying sketches.
Figure 1 is the plan. Fig. 2 is a sectional view of the dial. is a section of O in Fig. 1.
Each part is designated in the different views by the same letter.
In Fig.1, a a a is the dial, upon the face of which are figures from 1 to 60, as upon the face of a Watch. Z) is a crank of metal, made flexible outward from the face of the dial. O is a knob by which the crank Z) is turned on its center. Fig. 3 shows a section of this knob. It will be seen that a small wedge-shaped projection is on the under side of C.
Fig. 2 is a section of the dial without the crank, showing depressions in and elevations upon the face of it. These depressions and elevations are around the rim of the dial and are numbered by the figures on its face.
In the operation of the lock the problem always is to turn the center pin (to which the mechanism of the lock is attached and by turning which the tumblers are set) accurately to the right and left. In this my invention this is secured as follows: The crank, being flexible, presses the projection on the under side of 0 down upon the face of the dial. As the operator turns to the right or left, this projection falls into the notches or rises to pass over the elevations on the dial. The operator feels this movement of the knob and knows the location of the crank in its course around the dial by the sense of feeling.
At each of the quarter-circles the notch is large and deep.
In passing these the hand detects at once its location. At each of the multiples of five except the quarters there is an elevation with a small notch in the top of it. This also is easily known by the hand of the operator as the knob passes it. Theinterveningnotches are all uniform and small. Supposing, now. that the operator wishes to turn the handle to the number 18. He will first turn it to a perpendicular as a starting-point. Then turning to the left as he passes the elevation at 5 and 10 he is aware of it. When the wedgeshaped projection drops into the large notch and the handle in a horizontal position, he knows that he is at 15. Then slowly moving the handle he feels the smaller notches and counts 16, 17, 18, the number desired.
That I claim as my invention, and desire to secure by Letters Patent, is
1. The combination of a permutation-lock, a handle for setting the tumblers thereof, and marks in the path of the handle, the handle being so constructed as to engage with the marks as it passes them, whereby its position is indicated, substantially as described.
2. The combination of a permutation-lock, a handle for setting the tumblers thereof, and marks in the path of the handle, the handle being so constructed as to engage with the marks as it passes them, whereby its position is indicated, said marks being of different character to represent different divisions of the scale, substantially as described.
3. The combination of a permutation-lock, a handle for setting the tumblers thereof, and marks in the path of the handle, the handle being so constructed as to engage with the marks as it passes them, whereby its position is indicated, said marks being in number some multiple of four and evenly distributed in the quadrants of the circle, substantially as described.
Yonkers, September 2-3, 1890.
ALVAH S. HOBART. Witnesses:
E. L. MANNING, J. R. CHRISTIAN.
Publications (1)
Publication Number | Publication Date |
---|---|
US476642A true US476642A (en) | 1892-06-07 |
Family
ID=2545497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US476642D Expired - Lifetime US476642A (en) | Alvah s |
Country Status (1)
Country | Link |
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US (1) | US476642A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100139046A1 (en) * | 2008-12-07 | 2010-06-10 | James Daniels | Pull assembly |
-
0
- US US476642D patent/US476642A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100139046A1 (en) * | 2008-12-07 | 2010-06-10 | James Daniels | Pull assembly |
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