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Three-dimensional construction element comprising a body of generally polyhedral form
I claim: 1. A three-dimensional construction element comprising a body of generally polyhedral form with an aperture therethrough, characterized in that it comprises at ...
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Filing hanger
I claim: 1. A filing hanger for supporting the upper edge of a vertically hanging sheet of material on a pair of spaced horizontal bars, said sheet having a plurality of ...
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Lip seal shroud
The present invention is directed towards improvements in vacuum exhaust shrouds adapted for use in collecting dust generated during operation of portable sanding or ...
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Window assembly
Accordingly, the present invention provides a finished, completed window assembly which is ready for installation virtually entirely from the exterior of a vehicle or ...
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Resonant beam for tool driving apparatus
According to the invention, an angle beam serves as a force transmitting member between a sonic oscillator and a work tool. The angle beam has two divergent legs meeting ...
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Resonantly driven vertical impact system
The present invention provides a surface impact system including a mobile carrier vehicle. A beam is provided having a resonant frequency with a pair of nodes spaced ...
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Apparatus for breaking pavement
OF THE INVENTION While this invention is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail, one ...
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Counterweight support for resonantly driven tool
The present invention provides an improved mechanism for positioning the weight relative to the resonant beam in resonantly driven impact systems of the type described ...
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Arrangement for detecting the state of a tool
Accordingly, one object of the present invention is the realization of an arrangement for detecting the state of a machining tool driven in rotation which can ...
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Vibrating machine for effecting tiling
According to the invention, in the machine mentioned hereinabove, the following is provided: (a) the distances separating adjacent rollers mounted on the same shaft are ...
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