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Patent Searching and Data


Title:
CENTRING DEVICE FOR CENTRING A CHUCK ON A ROTATING SPINDLE AND ASSOCIATED LOCKING DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/120811
Kind Code:
A1
Abstract:
The invention concerns a centring device for centring a chuck (14) on a securing portion (16) in particular of a rotating spindle (12) of a machine, wherein a tapered portion (33) corresponding to a mating tapered portion (35) on the chuck side is provided on the securing portion (16) in such a way that the tapered portion (33) and/or the mating tapered portion (35) is/are formed so as to yield elastically in the axial direction such that, after the tapered portion (33) comes into contact with the mating tapered portion (35), the chuck (14) can be moved further in the axial direction, at least to a limited extent, as a result of an axial pulling-in force until the chuck (14) comes to lie against a stop on the securing portion side (114; figure 13a). The invention likewise concerns an associated locking device (10).

Inventors:
SCHRAEDER PHILIPP (DE)
HOLSTEIN ALEXANDER (DE)
Application Number:
PCT/EP2011/054000
Publication Date:
October 06, 2011
Filing Date:
March 16, 2011
Export Citation:
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Assignee:
SCHUNK GMBH & CO KG (DE)
SCHRAEDER PHILIPP (DE)
HOLSTEIN ALEXANDER (DE)
International Classes:
B23Q3/12; B23Q3/18
Domestic Patent References:
WO1994023871A11994-10-27
Foreign References:
EP1275468A12003-01-15
EP1295675A12003-03-26
DE10032073A12003-03-06
US5964556A1999-10-12
DE724892C1942-09-09
DE4302655A11993-09-30
US20050013675A12005-01-20
US4688810A1987-08-25
US4833955A1989-05-30
Other References:
None
Attorney, Agent or Firm:
DREISS (DE)
Download PDF:
Claims: