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Technology Associates
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Forensic Engineering Experts - Ph (800) 358-9909 - Fax (888) 358-9901
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POWER SAWS |
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Approximately 125,000 serious injuries occur in the US each year related to the use of portable and fixed power saws. Lacerations and similar injuries, such as abrasions and avulsions, account for over 90% of these, which generally occur to males and result in losses in the tens of millions of dollars annually. Although hand and finger blade contact is involved in most of these accidents, a significant number involve kickback of the work-piece for fixed saws or kickback of the tool for hand held units. In many of these cases, a blade-guard or anti-kickback device was either not in place or failed to operate properly.
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Expertise |
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Questions Answered |
We are familiar with the various standards associated with power saws and have been involved in scores of investigations associated with all types of saws including:
- Table, bench and arbor saws
- Circular hand saws
- Chainsaws
- Radial arm saws
- Miter saws
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Through scientific analysis, we can help you answer pertinent questions such as:
- Was the saw being used properly?
- Did the blade-guard function as intended?
- Would a proper interlock device have avoided use without a blade guard?
- Were the warning and instructions provided with the unit adequate?
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Past Case Examples |
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Hand-held Circular Saw Kickback:
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Table Saw Blade Contacts Operator’s Hand:
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A man was using a hand-held circular saw to cut a piece of wood when the blade encountered a knot. The saw kicked back but the blade-guard did not cover the blade in time, allowing the rotating blade to cut the man’s free hand. The defense argued that the sticking blade guard became bent when the user dropped the saw. Through testing, we showed that the blade-guard had been manufactured with a bend, resulting in its sticking open before it covered the blade.
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The promising career of a jazz musician ended abruptly after a table saw he was using injured his right hand. Dr. Ojalvo demonstrated to the court that it was technically and economically feasible to install a safety interlock mechanism, which would shut off power to the blade when the guard was removed. As a result, the jury awarded the Plaintiff $1.6 million in damages.
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