Tools – Wrench – screwdriver – or driver therefor – Having stationary structure for supporting wrench or...
Patent
1993-05-25
1994-12-06
Meislin, D. S.
Tools
Wrench, screwdriver, or driver therefor
Having stationary structure for supporting wrench or...
81436, 81451, 81DIG1, B25B 2300
Patent
active
053700228
ABSTRACT:
A fastener driving tool which uses the mechanical advantage of a lever to aid in the loosening and tightening of screws, bolts, nuts, and the like. The tool amplifies the force of a user that is exerted on a fastener bit (e.g. screwdriver blade) and a fastener head (e.g. screw head) thereby reducing the chance of the fastener bit slipping off the fastener head. A lever arm has a first end which attaches to an adjacent nearby screw or bolt. The fastener bit is attached to the lever arm and engages the targeted fastener head. The fastener bit functions as the fulcrum (i.e. the support about which the lever turns) of the lever arm. The user exerts downward force on the second end of the lever arm while using a conventional torquing tool (e.g. screwdriver, wrench, etc.) to loosen or tighten the hard to turn fastener. The force amplifying principle of the lever amplifies the downward force of the user many times over so that much more force is exerted on the fastener head than can be applied with a conventional tool. The tool is particularly useful in loosening corroded or stuck fasteners which are difficult or impossible to remove with conventional tools. It is highly adjustable for use in a variety of situations.
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Durako Richard J.
Rodriguez Orelio O.
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