Elongated-member-driving apparatus – With interlock means
Reexamination Certificate
2008-01-29
2008-01-29
Rada, Rinaldi I. (Department: 3721)
Elongated-member-driving apparatus
With interlock means
C227S010000, C227S130000, C277S377000
Reexamination Certificate
active
07322501
ABSTRACT:
A cylinder is constituted such that the cylinder includes a large diameter portion constituted by forming a portion thereof brought into contact with an O ring by a diameter larger than a diameter of other portion when a piston is disposed at an upper dead center and a small diameter portion formed downward from the large diameter portion, and a fastening margin is provided between an outer periphery of the O ring and an inner periphery of the cylinder even when the piston is disposed at any position from the upper dead center to a lower dead center and a clearance is provided between an inner periphery of the O ring and an outer periphery of a groove.
REFERENCES:
patent: 3023014 (1962-02-01), Donner
patent: 3375758 (1968-04-01), Novak et al.
patent: 3527142 (1970-09-01), Obergfell
patent: 3673922 (1972-07-01), Doyle
patent: 3815475 (1974-06-01), Howard et al.
patent: 3945551 (1976-03-01), Sato et al.
patent: 4483473 (1984-11-01), Wagdy
patent: 4509669 (1985-04-01), Elliesen
patent: 5711471 (1998-01-01), White
patent: 5775201 (1998-07-01), Tanji et al.
patent: 6116489 (2000-09-01), Branston
patent: 2005/0279802 (2005-12-01), Moeller
patent: 2002-321168 (2002-11-01), None
patent: 2003-236768 (2003-08-01), None
Ishizawa Yoshinori
Kitagawa Hiroki
Nishida Masashi
Hitachi Koki Co,. Ltd.
Lopez Michelle
Mattingly ,Stanger ,Malur & Brundidge, P.C.
Rada Rinaldi I.
LandOfFree
Fastener driving tool does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Fastener driving tool, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fastener driving tool will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2789263