Tools – Wrench – screwdriver – or driver therefor – Machine
Reexamination Certificate
2006-09-05
2006-09-05
Wilson, Lee D. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Machine
C081S057000, C081S057140, C081S057160, C081S467000, C081S468000, C081S473000, C433S114000, C433S141000, C433S147000, C433S153000
Reexamination Certificate
active
07100476
ABSTRACT:
A manually-operated, adjustable dental implant torque wrench employs a screw holding sheath for placing a dental screw in a mouth of a patient. A handle offset to avoid opposite teeth to the work area is provided with a bevel gear and pinion set to translate the turning motion from a straight turning shaft in the handle to a perpendicular screw turning head. An assortment of replaceable snap-fit screw turning heads fits the various types of dental screws. An easy turn T-shaped handle with a pivotable turning knob is controlled by a torque limiting device.
REFERENCES:
patent: 5626474 (1997-05-01), Kukla et al.
patent: 6786725 (2004-09-01), Lustig et al.
McDonald Shantese
Meeker Donald W.
Wilson Lee D.
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