US Patent: 339,547
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| Mechanical Movement
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Patentee:
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| Charles Hammelmann (exact or similar names) - Buffalo, Erie County, NY |
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Patent Dates:
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| Applied: |
Oct. 26, 1885 |
| Granted: |
Apr. 06, 1886 |
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Patent Pictures:
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Joel Havens
"Vintage Machinery" entry for Star Machine Co.
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Description: |
| Wilhelm & Bonner, patent attorneys
This invention relates to an improvement in that class of mechanical movements which are employed for converting the reciprocating or oscillating motion of a hand-lever or treadle into a rapid rotary motion, and which are more especially employed for operating the rotary blowers of portable forges and other revolving instruments or devices which require a high rotary speed.
The "Star" Portable Forges:
The engravings illustrate several portable forges and a blacksmith's hand-blower, the outcome of improvements made by the inventor of the earlier forms of these machines. By reference to the cuts it will be seen that only one large wheel is used, and that it carries the belt to the blower. In other blowers an intervening cog-wheel is necessary to communicate the power from the lever to this band-wheel, but the great and crowning feature of the Star blower is that all elements of friction and wear, as well as that greater element in the problem of the success of a forge and blower; working parts and consequent cost of production are done away with or reduced to a small fraction of expense. This wheel is driven by a rack working up ,and down in the guides attached to the leg of the forge, which is best shown in the cut of the boiler-maker's forge. This rack engages with a pinion on the clutch, as seen in the cut of the machinist's forge, in a manner to give to the wheel the strongest possible power for the very least amount of force applied to the lever. So ingeniously is this clutch arranged that the application and release of the power is instantaneous with the action of the lever, without the least noise or slip. The application of the power here is ingenious and effective. The rack bears, or runs, in fitted ways almost its entire length, and arrangements are made by the use of set-screws for taking up any wear that may occur by reason of long use. It will be seen that a great element of friction as well as expense is done away with, in the fact that neither the rack nor pinion moves or revolves save when the lever is being used. It also runs perfectly noiseless, and will run of its own momentum, when started, twice as long before running down as will any ordinary forge. The lever which communicates power to the rack is hung on a swivel, which allows the operator to move about the forge with freedom. So strong and well-applied is the power, that it is thought that scarcely more than half the effort is required on the part of the operator to start and maintain the motion that is required in any other lever blower. The Star Machine Company makes all of the usual shapes and styles of forges and blowers, each of which has the same important and improved method of operation. On account of the large saving the company has effected in the cost price of these forges, it is able to make a much finer job as to workmanship, and this it is determined to do for the purpose of having a forge which shall stand pre-eminent for its general perfection. |
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