Hand-held cutting tool for cutting fiber
US6250998A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1999 |
| Grant date | Jun 26, 2001 |
| Priority date | — |
| Expiry date | Nov 8, 2019 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB26D1/30
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
An apparatus for cutting fiber-cement siding. A fiber-cement siding cutting tool in accordance with the invention may have a hand-held motor unit with a housing, a motor inside the housing, and a switch operatively coupled to the motor to selectively activate the motor. A head having a casing may be attached to the housing of the motor unit The head may have a reciprocating drive assembly coupled to the motor. The hand-held cutting tool also has a blade set with first and second fingers attached to either the casing or the motor housing, and a reciprocating cutting member between the first and second fingers. The first finger may have a first guide surface and a first interior surface. Similarly, the second finger may have a second straight guide surface and a second interior surface. The reciprocating cutting member has a body and a blade projecting from the body. The blade has a first side surface facing the first interior surface of the first finger, a second side surface facing the second interior surface of the second finger, and a top surface. The first side surface of the blade is preferably spaced apart from the first interior surface of the first finger by 0.040-0.055 inch…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.