Tools – Wrench – screwdriver – or driver therefor – Responsive to torque on work
Reexamination Certificate
2005-03-26
2009-10-06
Shakeri, Hadi (Department: 3727)
Tools
Wrench, screwdriver, or driver therefor
Responsive to torque on work
C081S060000
Reexamination Certificate
active
07597032
ABSTRACT:
A torque wrench (1) is embodied as a ratchet instrument in the medical field. A catch segment (40) which can be displaced in a defined manner is arranged on the periphery of the receiving opening, and the front part thereof is oriented towards the receiving opening. When the torque wrench (1) is actuated in a forward direction, the torque which is to be generated is applied by a forward force (F) exerted by an user, by a deflectable, preferably linear-elastic flexible arm (7). A catch spring extends from the catch segment into the neck area. The catch segment and the catch spring form a single-pieced or several part catch (4). The catch segment and the catch spring are arranged in a channel-shaped space (5). The catch (4) is a single-piece with the neck part or is fixed thereto as a separate component.
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Spiekermann, H, Farbatlanten der Zahnmedizin, vol. 10 lmplantologie, Georg Theime Verlag, Stuttgart, 1994, pp. 33, 54 and 55.
McCarter & English LLP
Shakeri Hadi
Thommen Medical AG
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