Gear cutting – milling – or planing – Milling – Cutter spindle or spindle support
Reexamination Certificate
2006-04-06
2009-11-03
Gates, Eric A (Department: 3726)
Gear cutting, milling, or planing
Milling
Cutter spindle or spindle support
C279S046700, C279S050000, C433S129000
Reexamination Certificate
active
07611315
ABSTRACT:
In the case of a motor element, in particular of dental technical handpiece or a motor spindle, which at least in its front region has an elongated shank, rotatably mounted in which there is a hollow drive shaft, arranged in whose front end region there is a collet chuck for a tool that is connected in its rear end region by means of a coupling to a rod that extends towards the rear and is pretensioned towards the rear or towards the front by means of the force of a spring and can be displaced towards the front or towards the rear against the force of the spring by means of an actuating mechanism, with the spring being stayed on the draw rod towards the rear and being stayed against an inner first shoulder of the drive shaft towards the front, arranged at the front end region of the spring there is at least one supporting element that is elastically pretensioned radially outwards and springs out behind the shoulder when the draw rod is pushed with the spring from the front into the drive shaft, and the supporting element reaches a position located behind the shoulder.
REFERENCES:
patent: 382673 (1888-05-01), Williams
patent: 2278267 (1942-03-01), Holmes
patent: 2746758 (1956-05-01), Haviland et al.
patent: 2970508 (1961-02-01), Wicks
patent: 3171664 (1965-03-01), Benjamin et al.
patent: 3712386 (1973-01-01), Peters
patent: 3724563 (1973-04-01), Wickham et al.
patent: 3942392 (1976-03-01), Page et al.
patent: 4040311 (1977-08-01), Page et al.
patent: 4114276 (1978-09-01), Malata et al.
patent: 4355977 (1982-10-01), Ota et al.
patent: 5609445 (1997-03-01), Dusing
patent: 5806859 (1998-09-01), Saccomanno, III
patent: 6090122 (2000-07-01), Sjostrom et al.
patent: 6193591 (2001-02-01), Stahl et al.
patent: 6260855 (2001-07-01), Curtis
patent: 6402442 (2002-06-01), Akamatsu et al.
patent: 6568889 (2003-05-01), Rohm
patent: 6663088 (2003-12-01), Kimura
patent: 6674189 (2004-01-01), Watanabe et al.
patent: 7137632 (2006-11-01), Smith
patent: 7287941 (2007-10-01), Erickson
patent: 7393311 (2008-07-01), Giovanelli et al.
patent: 2002/0014141 (2002-02-01), Prust et al.
patent: 44 06 855 (1995-09-01), None
patent: 202004005966 (2004-07-01), None
patent: 07255745 (1995-10-01), None
patent: 07255746 (1995-10-01), None
Search Report in DE 10 2005 016 869 dated Dec. 22, 2005.
European Search Report in DE 02005016035 dated Dec. 22, 2005.
Gates Eric A
Kaltenbach & Voight GmbH
Marshall & Gerstein & Borun LLP
LandOfFree
Motor element, in particular medical handpiece with a collet... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Motor element, in particular medical handpiece with a collet..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Motor element, in particular medical handpiece with a collet... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4119285