Bolt or nut tightening device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 15, 2011
Grant Date -
Aug 12, 2010
app pub date -
Apr 27, 2010
filing date -
Oct 30, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A bolt or nut tightening device having an outer shaft and an inner shaft rotatable in directions opposite to each other, the outer shaft having a reaction receiver projecting therefrom sideways and provided with a tightening torque measuring unit, the tightening torque measuring unit comprising a strain sensor, a circuit board, an indicator, a battery, a case for accommodating the circuit board, the indicator and the battery, and a mount tubular member fitted around and rotatable with the outer shaft, the case being attached to an outer peripheral portion of the mount tubular member and projecting toward the same direction as the reaction receiver, the case being so sized as to be hidden by a contour of the reaction receiver and being so positioned as to be hidden behind the reaction receiver when seen from the forward end side of the engaging portion.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully