Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Reexamination Certificate
2008-07-15
2008-07-15
Thomas, David B (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Handle or shank
C081S177900, C081S177850
Reexamination Certificate
active
07398711
ABSTRACT:
An extension rod comprises a joint segment integrately formed on the extension rod, and a socket-coupling segment pivotally connected with the joint segment. The socket-coupling segment has a socket tool coupling assembly and a joint black coupling assembly that can jut out or retract from the surface of the socket-coupling segment so as to be combined with or released from an external socket tool and the joint segment, respectively. The socket-coupling segment further has a pressing head for controlling an operating pin that drives the socket tool coupling assembly and the joint block coupling assembly simultaneously.
REFERENCES:
patent: 1473436 (1923-11-01), Leopold
patent: 4817476 (1989-04-01), Karge
patent: 5531140 (1996-07-01), Chow
patent: 6523441 (2003-02-01), Lee
patent: 6823762 (2004-11-01), Hu
patent: 6857341 (2005-02-01), Cheng
patent: 6874392 (2005-04-01), Wu
patent: 6901827 (2005-06-01), Yen
LandOfFree
Multi-function extension rod does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Multi-function extension rod, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-function extension rod will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2746399