Woodworking – Planer – Rotary cylindrical cutter
Reexamination Certificate
2007-08-07
2007-08-07
Self, Shelley (Department: 3725)
Woodworking
Planer
Rotary cylindrical cutter
C144S128000, C409S159000, C409S161000
Reexamination Certificate
active
11378367
ABSTRACT:
A work feeding and conveying device for a planing machine includes a conveying unit assembled on an intermediate base of a planing machine. The conveying unit has a power source, a front shaft, a rear shaft and a conveying belt. The front shaft is secured at the front end of the intermediate base and connected with a power source for being rotated. The rear shaft is pivotally connected with the rear end of the intermediate base, able to be moved back and forth horizontally for a present distance. The conveying belt formed with a rough surface with high friction coefficient is fitted around the intermediate base and passes on the front and the rear shaft. The conveying belt can smoothly convey a work piece, and evenly apply force on its surface, able to carry out wood processing precisely.
REFERENCES:
patent: 3913642 (1975-10-01), Porter
patent: 4997017 (1991-03-01), Dobbie
patent: 5641053 (1997-06-01), Nannini et al.
patent: 5882157 (1999-03-01), Buysman et al.
patent: 5979520 (1999-11-01), Behrendt
patent: 5988239 (1999-11-01), Chen
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