US Patent: 6,097X
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Lock
Spring Wire Lock
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Patentee:
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| Job Baker (exact or similar names) - New Bedford, Bristol County, MA |
| Manufacturer: |
| Not known to have been produced |
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Patent Dates:
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| Granted: |
Oct. 01, 1830 |
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Joel Havens
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Description: |
| Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. Only the patent drawing is available. This patent is in the database for reference only.
“For an improvement in the Springs of Door Locks, and other Locks, by means of Elastic Wire, called "The Wire Lock Spring;" Job Baker, New Bedford, Bristol county, Massachusetts, October 1.
A piece of iron, or other wire, which may be about one-eighth of an inch in diameter, is to be substituted for the flat steel springs now in use. This wire may have two, three, or more spiral turns, where the screw fixes it. It is proposed not only to substitute this for the common spring to the spring bolt, but also to make it act the part of the spring and tumbler to the lock bolt. For this purpose one end of the wire is to pass round the inside of the box of the lock, so as to bring it under those notches in the bolt into which the tumbler usually catches. To secure its falling into these notches, the wire is to be bent up at right angles. A part of the wire is to have a round bend, in order that the key, as it turns, may touch it, just as it does the curved edge of the common tumbler; the key will thus lift the wire out of the notch and allow the bolt to be advanced, or withdrawn. The claim is to the use of wire in the way above described.
As respects the use of wire to act upon the spring bolt, although it may never have been patented, we know that it has been used, as we have employed it ourselves, in our domestic repairs, and we have no doubt that others have done the same. We apprehend that it is one of those contrivances to which any maker of mouse traps, or other worker in wire, would be apt to resort, should he undertake to repair the spring of his own door lock. We have for the same purpose used a piece of whalebone, which has continued to act well for years; we, however, have not taken a patent for it.
For the spring and tumbler, the wire is a poor substitute, as the bolt may readily be forced back, because it is retained in its place merely by the bent wire, which acts only as a spring, and will easily give way.”
Journal of the Franklin Institute, Dec., 1830, pg. 362
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