US Patent: 2,163,715
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| Method of and Tool for Shaping and Ironing Sheet Metal
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Patentee:
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| Faye P. Stull (exact or similar names) - Youngstown, Mahoning County, OH |
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Patent Dates:
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| Applied: |
Sep. 14, 1933 |
| Granted: |
Jun. 27, 1939 |
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Patent Pictures:
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Joel Havens
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Description: |
| Abstract:
This invention relates to a method of and a device or tool for ironing or smoothing and shaping sheet metal, and while not limited thereto, it is particularly adapted for ironing out damaged fenders of motor and analogous vehicles, the primary object being to provide a method of ironing or smoothing sheet metal which results in work of a superior character and to produce a tool or apparatus for carrying out the method which is highly efficient, easily handled and is of generally improved construction throughout. More specific objects are: to provide a power device or tool for ironing or smoothing sheet metal, more particularly automobile fenders and like parts, of the hammer type embodying a self- contained fluid-actuated power unit which is under convenient and accurate control at all times and which is constructed to deliver maximum power with a relatively low supply of fluid pressure; to provide a device of this class which has a true ironing action and with ample power at hand to do the most difficult work without damage to the metal being operated upon and without tiring the operator; to provide a device of this class which embodies an air or like fluid- actuated hammer and co-acting die assembly together with a frame construction for the assembly which cooperate to produce work of a superior type with marked flexibility and ease of operation; to provide a fender ironer which is light in weight, simple in construction and economical to manufacture yet strong and durable, and which embodies working parts which may be easily and quickly removed and replaced 3b in accordance with the character of the work performed and for renewal or repair.
Claim:
A power tool assembly for ironing and shaping sheet metal comprising an anvil die to be held against one side of the sheet to be operated upon and a self-contained portable power unit capable of being carried in the hand of an operator and including a hammer die to be held g against the other side of the sheet in opposed relation to the anvil die and a cylinder having a fluid-actuated power piston mounted to reciprocate therein and means associated with its lower extremity for removably holding the hammer die in a position to be impacted by the piston while it is held against the sheet and moved thereover. |
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