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:
May. 08, 2001
Filed:
May. 12, 1999
Masahiko Ono, Okazaki, JP;
Makita Corporation, Anjo, JP;
Abstract
A reciprocating saw includes a structure for sealing a chamber (,) which is defined by a gear housing (,) and a gear housing cover (,) fitted over the gear housing. The sealing structure includes a rubber packing (,) mounted along the entire length of the seam between the gear housing (,) and the gear housing cover (,). The rubber packing (,) is integrally formed with a V-shaped valve (,) such that a protrusion (,) at the bottom bend of the valve selectively opens and closes an air vent (,) formed in a partition wall (,) of the gear housing (,). The sealing structure further includes a seal retainer (,) and a dust seal (,) provided between the gear housing (,) and the gear housing cover (,) and penetrated by a reciprocating slider (,). The seal retainer (,) and the dust seal (,) lubricate the slider and seal the chamber (,) where the slider,penetrates the chamber.