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:
Apr. 10, 2001
Filed:
Jun. 16, 1999
Makita Corporation, Anjo, JP;
Abstract
An electric power tool is provided including a main housing (,) assembled by fitting together right and left casing halves (,), a drive unit (,), a spindle (,) coupled to the drive unit, and a change ring (,). The drive unit includes a DC motor (,), a gear assembly (,), and first and second gear cases (,). The aluminum-alloy second gear case (,) is provided with a connecting portion (,) which has an outer shape that smoothly and continuously connects with the front end of the main housing and which is secured to the main housing by four screws (,) in the axial direction toward the rear portion of the tool. In addition, the second gear case includes a small-diameter journal bearing (,) which extends forwardly from the front end of the connecting portion (,) within the change ring so as to support the spindle of the tool.