| 摘要 |
Apparatus for cutting grooves in moulding members adapted to have their ends joined in L-shaped assembly by an L-shaped bracket, the apparatus comprising: (a) a first base, and a first guide surface on the base to engage the back side of the moulding thereby to position the moulding directionally laterally, and to extend directionally longitudinally, (b) a first stop to engage and position the mitered end of the moulding, thereby to position the moulding longitudinally, (c) clamp means movable to engage the positioned moulding and retain the moulding on the base, (d) a first router and a rotary drive therefor, the router projecting into lapping relation with said mitered end of the moulding, (e) means to displace the first rotating router relative to the base to directionally sidewardly engage and penetrate the mitered end of the moulding, thereby to produce said groove, the router thereafter being sidewardly removable from said groove, (f) and means to adjustably position the base, laterally, thereby to position the mitered end of the moulding relative to the router.
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