Portable adjustable multiple end drill device
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United States of America Patent
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Jun 9, 2015
Issued Date -
N/A
app pub date -
Mar 6, 2013
filing date -
Mar 6, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A portable adjustable multiple end drill device comprises a rotary power source communicating with a plurality of end drill units. The device includes restraints for holding the rotary power source and a hearing rigidly attached to the restraints for rotating the device. The device includes two end-caps, each of which is connected to a respective arm directly or via at least one modular extension of a respective arm. The end-caps are also connected to guide bars and a splined power transmission shaft. The device imparts a set of rectilinearly aligned work areas of a work piece, which work areas are respectively and simultaneously drilled by the respective drill bits. A rectilinear position of each end drill unit can be adjusted mechanically. Each drill bit holder, or base, holding a respective drill bit or fastener bit is rotated by a system of bearing-journaled drive gears.
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