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Class 81/57.42 - Direct drive


Subclass of Class 81 - Tools
Definition: Wrench or screwdriver wherein the work driving means is
No. of applications: 3
Last issue date: 10/27/2011


Application No.Application TitleIssue Date
20110259155COMPACT ONE TOUCH PNEUMATIC WRENCH
A compact one touch pneumatic wrench includes a cylinder having an improved air passage to achieve one touch function and a housing mad of engineering plastic material. Compared to a conventional pneumatic wrench which needs one hand to hold the handle and the other han...
10/27/2011
20100224034Compression Nut Removal Device
The present invention is an embodiment of a machine-enabled compression nut and ferrule removal device. The compression nut puller of the present invention features a shaft attachment for insertion into a mechanized hand drill to enable swift and easy removal of heavily...
09/09/2010
20080314204SCREW TIGHTENING APPARATUS
The screw tightening apparatus includes a motor, an output shaft to which a bit for screw tightening is connected so as to be rotatable integrally with the output shaft and which is axially movable, the output shaft being driven to be rotated by the motor, a spring whos...
12/25/2008
 
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