Gear cutting – milling – or planing – Milling – Randomly manipulated – work supported – or work following device
Reexamination Certificate
2008-07-22
2008-07-22
Ross, Dana (Department: 3722)
Gear cutting, milling, or planing
Milling
Randomly manipulated, work supported, or work following device
C409S181000, C408S014000, C144S136950
Reexamination Certificate
active
11894407
ABSTRACT:
The present invention is directed to an elevating mechanism, in particular to an elevating mechanism for routers, is configured for easy micro adjustment and coarse or macro adjustment. In an embodiment, a power tool includes a base configured to adjustably receive a motor housing for operating a working tool. A worm drive is pivotally coupled, in an eccentric configuration, to an eccentric lever. The eccentric lever is adjustably coupled to at least one of the housing or the base such that the eccentric lever is operable to cause the worm drive to be positioned into an engaged position with a rack assembly and a released position wherein the worm drive is remote from the rack assembly. The elevating mechanism is operable to permit rotational micro adjustment and macro manual adjustment wherein the worm drive is remote from the rack assembly for permitting coarse adjustment of the motor housing with respect to the base.
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Phillips Alan
Schnell John W.
Black & Decker Inc.
Markow Scott B.
Ross Dana
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