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Patent No. 6681419

Forehead support apparatusĀ 

A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.

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Class 173/144 - Reciprocatory drive and advance originate from same mechanical element


Subclass of Class 173 - Tool driving or impacting
Definition: Apparatus in which one mechanical motion converting element
No. of patents: 2
Last issue date: 04/17/2007


NumberTitleIssue Date
7204321Concrete drill
A concrete drill for drilling concrete or the like by a diamond bit (5) attached to a front end of a bit drive shaft (4) projected forward from a main body (1) by driving to rotate the bit drive shaft (4) by a drive source (2) cont...
04/17/2007
4067397Hand-operated device for drilling blast-holes
The perforator body is provided with a built-in pulling winch whose drum is wound with a wire rope. The winch axle mounts a worm wheel meshing with the perforator box whose external surface is made in the form of a worm. The wire rope is secured to the ro...
01/10/1978
 
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