Safety improvements for power tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 6, 2004
Grant Date -
Jul 24, 2003
app pub date -
Jan 18, 2002
filing date -
May 12, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A hand-held power tool includes a cutting blade within a housing (5) and a guard (10) placed over the operating head of the tool. The guard is movable in the direction (1) in order to expose the blade during cutting. The sliding mechanism is improved by maintaining alignment between the guard and the head over a larger distance. In one embodiment, this is achieved by sliders (FIG. 8) in grooves (9). Contact over a larger range reduces the likelihood of jamming and improves handle precision. Alternative embodiments provide structure for indicating the blade position (FIG. 11), and a frangible retaining washer for disengaging the cutting blade (FIGS. 13 to 15).
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