Cutlery – Cutting tools – Plural cooperating blades
Reexamination Certificate
2005-06-07
2005-06-07
Choi, Stephen (Department: 3724)
Cutlery
Cutting tools
Plural cooperating blades
C030S296100
Reexamination Certificate
active
06901665
ABSTRACT:
A pneumatic pruning hook with a telescopic shank includes a handle having a chamber defined therein and connected to a compressed air source, a valve mounted in the chamber for selectively allowing the compressed flowing into the chamber. The telescopic shank includes an outer tube longitudinally secured to the handle and an inner tube partially slidably received in the outer tube. A work device is secured on the inner tube opposite to the handle. A spiraled hose is received in the telescopic shank and respectively connected the handle and the work device for guiding the compressed air into the work device. A safety is mounted to the work device for selectively engaged to the work device to prevent the work device from an unexpected operation.
REFERENCES:
patent: 2391676 (1945-12-01), Browning
patent: 2493696 (1950-01-01), Potstada
patent: 2612140 (1952-09-01), Miller
patent: 2743703 (1956-05-01), Miller
patent: 3373490 (1968-03-01), Lendaro
patent: 3535783 (1970-10-01), Thatcher
patent: 3584381 (1971-06-01), Jamison
patent: 4977674 (1990-12-01), van der Merwe et al.
patent: RE34358 (1993-08-01), Miller
patent: 5341572 (1994-08-01), Michelson
patent: 5826341 (1998-10-01), Massa
patent: 5884403 (1999-03-01), Rogers
patent: 5894667 (1999-04-01), Van Den Hout
patent: 5926961 (1999-07-01), Uhl
patent: 6374498 (2002-04-01), Liu
patent: 19923727 (2001-04-01), None
patent: 1715244 (1992-02-01), None
Cheng Chuan Ching
Sun Yung Yung
LandOfFree
Pneumatic pruning hook with a telescopic shank does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Pneumatic pruning hook with a telescopic shank, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Pneumatic pruning hook with a telescopic shank will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3519902