Means to increase or decrease magnetic strength in permanent magnetic clamping devices
First Claim
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1. A magnetic clamping device of the type employing a magnetizing element between two or more ferromagnetic pole plates having within it a rotatable element of non-magnetic material said rotatable element being rotatable in the same plane as the ferromagnetic pole plates and having within the rotatable element one or more axially magnetizing elements.
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Abstract
A mechanical means to increase or decrease the magnetic strength of magnetic clamping devices used to clamp ferromagnetic workpieces together.
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7 Claims
- 1. A magnetic clamping device of the type employing a magnetizing element between two or more ferromagnetic pole plates having within it a rotatable element of non-magnetic material said rotatable element being rotatable in the same plane as the ferromagnetic pole plates and having within the rotatable element one or more axially magnetizing elements.
Specification