Reaming machine

Cutting by use of rotating axially moving tool – With work-engaging structure other than tool or tool-support – Having tool-opposing – work-engaging surface

Reexamination Certificate

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Details

C408S103000, C408S130000, C408S234000, C408S24100G

Reexamination Certificate

active

07632048

ABSTRACT:
A reaming machine includes a machine body; a retractable fixture installed above the machine body and used to press against a workpiece and fix the workpiece; and a vertical wall disposed inside the machine body. Two slide rods are installed to the vertical wall. A slide seat is slidably coupled to the two slide rods. A driving source is fixed to the slide seat. A piston rod is installed to the bottom of the slide seat. A hydraulic cylinder enables the piston rod to move telescopically. The piston rod further enables the driving source to move up and down. A tool seat is installed to the driving source. A reamer is installed at the top of the tool seat and can ream a hole on the workpiece. As the reamed hole faces downward, the wooden dust and debris generated in reaming will fall into the interior of the machine body.

REFERENCES:
patent: 1747418 (1930-02-01), Bishop et al.
patent: 2535670 (1950-12-01), Croft, Sr.
patent: 2567191 (1951-09-01), De Anguera
patent: 2922323 (1960-01-01), Weidner
patent: 3037405 (1962-06-01), Steyskal
patent: 3041896 (1962-07-01), May
patent: 3223131 (1965-12-01), Hovermale
patent: 4484608 (1984-11-01), Ferdinand et al.
patent: 4485857 (1984-12-01), Norlie et al.
patent: 4694871 (1987-09-01), Jenkner
patent: 5275517 (1994-01-01), Turnipseed et al.
patent: 6015247 (2000-01-01), Branaman

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