PORTABLE DRIVER
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Sep 13, 2007
app pub date -
Mar 8, 2007
filing date -
Mar 9, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
In a portable driver (portable driver) comprising: a driver plate 18B for driving a nail (fastener); a plunger 18 formed integrally to or separately from the driver plate 18B; a rack 18A formed on the plunger 18; a pinion to be tooth-engaged with the rack 18A; and a driving means for rotatively driving the pinion, in which the fastener is driven by linearly moving the plunger 18 and the driver plate 18B owing to rotation of the pinion, a tooth width of the rack 18A is changed in a longitudinal direction thereof. For example, the tooth width L1 in an area A of the rack with which the pinion is tooth-engaged when driving is started or being carried out is set to be narrower than the tooth width L2 in an area B of the rack with which the pinion is tooth-engaged when the driving is completed, i.e. L1
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