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Title: |
1848 article - Bliss' Improved Mortising Machine |
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1848-04-01 Scientific American |
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Insert Date: |
11/27/2010 8:34:38 PM |
This compact and beautiful Morticing Machine has been invented by Mr. C. Bliss, of Hartford, Conn., and for which he has applied for letters patent. The nature of it is principally the extreme portability and ease with which it can be made of great benefit to the joiner. It is mostly all of cast iron and can be attached to any bench, and after being used can be unscrewed and laid out of the way under the bench, as it occupies but a very small space.
DESCRIPTION.--A, is a cast iron cylinder, in which is a spiral spring attached by the upper end to the vibrating chisel stock C, and by the lower extremity to the treadle F. The chisel M, is fixed in the stock and the work to be operated on is placed on the rest board, or bench H, being held snug to the bench by I, a rod for that purpose, which can be shifted up and down by a screw. If the work is light the handle K, is more convenient than the tread stirrup L. By operating with the handle, or foot boar, our readers will perceive at once how the chisel is worked up and down in the slot B, and by a clamp on the top of the chisel stock, the chisel is changed or shifted with the left hand, as rapid as the hand can turn it. E, is a rack for elevating or depressing the rest bench H, and D are screws for making it fast and firm at any desired point to accommodate the size of the work to be morticed. On the top of the cylinder is a slender with an orifice through it whereby an additional spring can be added to the machine passing over a pulley behind the machine and to be attached to the plate behind H. For strength, compactness and simplicity this machine is worthy of much commendation. Further information may be obtained of Mr. Bliss at Hartford. |
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