The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 19, 1995
Filed:
Dec. 23, 1993
Tatsuya Wada, Tokyo, JP;
Kouichi Miyamoto, Tokyo, JP;
Takeshi Shiotani, Tokyo, JP;
Shoji Takahashi, Tokyo, JP;
Ryobi Limited, Hiroshima, JP;
Abstract
A grinding machine has a driving mechanism for rotating a drive shaft, a sander supported on the drive shaft, a bracket provided swingably on a housing for supporting the drive shaft, a drive shaft moving mechanism for moving the drive shaft in the axial direction, a hollow member supported on the bracket for ratably support the drive shaft, a drive shaft position switching mechanism for moving the hollow cylinder in its axial direction to take selectably two positions whereby the drive shaft can take smoothly two positions in one of which the drive shaft is not moved in its axial direction, and in the other of which the drive shaft is moved it its axial direction.