US20020063399A1
Expired / Lapsed
US
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Collet chuck
Assignee: Roehm GmbH Darmstadt
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Filing: 2001-11-21
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Granted: —
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Expires: 2021-11-21
Abstract
Abstract A collet chuck for holding a mounting collar of an object to be rotated has a chuck body centered on and rotatable about an axis and formed with an axially forwardly open socket shaped to receive the collar. A plurality of jaws in the socket have front ends engageable inside the collar in the socket and each formed with a radially inwardly directed planar front face. A setting sleeve has a front cam surface formed with respective planar radially outwardly directed front facets engageable with the front faces of the jaws so that the sleeve can cam out the front ends to lock the jaws to the collar in the socket.
Inventors
- 👤 Gunter Rohm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:36
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/04; B23B29/046; B23B31/00; B23B31/02; B23B31/24; B23B31/26; B23B31/261; B23B31/265; Y; Y10; Y10T; Y10T279/00; Y10T279/10; Y10T279/1004; Y10T409/00; Y10T409/30; Y10T409/309352; Y10T409/309408; Y10T409/309464; Y10T409/30952; Y10T82/00; Y10T82/25; Y10T82/2585; Y10T82/2589
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
120 words
1 . A collet chuck for holding a mounting collar of an object to be rotated, the chuck comprising: a chuck body centered on and rotatable about an axis and formed with an axially forwardly open socket shaped to receive the collar; a plurality of jaws in the socket having front ends engageable inside the collar in the socket and each formed with a radially inwardly directed planar front face, the jaws being angularly spaced; and a setting sleeve having a front cam surface formed with respective planar radially outwardly directed front facets engageable with the front faces of the jaws, whereby the sleeve can cam out the front ends to lock the jaws to the collar in the socket.
Claim 2
Dependent Claim
120 words
1 . A collet chuck for holding a mounting collar of an object to be rotated, the chuck comprising: a chuck body centered on and rotatable about an axis and formed with an axially forwardly open socket shaped to receive the collar; a plurality of jaws in the socket having front ends engageable inside the collar in the socket and each formed with a radially inwardly directed planar front face, the jaws being angularly spaced; and a setting sleeve having a front cam surface formed with respective planar radially outwardly directed front facets engageable with the front faces of the jaws, whereby the sleeve can cam out the front ends to lock the jaws to the collar in the socket.
Claim 3
Dependent Claim
98 words
2 . The collet chuck defined in claim 1 wherein the chuck body is formed axially rearward of the socket with a radially inwardly open groove centered on the axis and each jaw has a rear end received and radially displaceable in the groove and formed with a radially inwardly directed planar rear face, the setting sleeve having respective planar radially outwardly directed rear facets engageable with the rear faces of the jaws, whereby the sleeve can cam out the rear ends to move the front ends radially inward and axially clear of the collar in the socket.
Claim 4
Dependent Claim
24 words
3 . The collet chuck defined in claim 2 wherein each of the ribs are of an angular dimension increasing outward from the axis.
Claim 5
Dependent Claim
32 words
4 . The collet chuck defined in claim 2 , further comprising means including a spring engaged around the rear ends of the jaws for urging the jaw front ends radially outward.
Claim 6
Dependent Claim
22 words
5 . The collet chuck defined in claim 4 wherein the rear ends form a radially outwardly open groove receiving the spring.
Claim 7
Dependent Claim
46 words
6 . The collet chuck defined in claim 5 wherein the jaws define axially extending and radially inwardly open slots and the spring has spacer blocks engaged in the slots and braced angularly against the jaws, whereby the spacer blocks angularly space and separate the jaws.
Claim 8
Dependent Claim
52 words
7 . The collet chuck defined in claim 2 wherein the sleeve is formed axially rearward of the rear cam surface with respective planar rearmost facets extending parallel to the axis and engageable with the jaw rear ends to retain same in a freeing position with the jaw front ends shifted inward.
Claim 9
Dependent Claim
23 words
8 . The collet chuck defined in claim 2 wherein the groove has an axially rearwardly directed flank engaging the jaw rear ends.
Claim 10
Dependent Claim
39 words
9 . The collet chuck defined in claim 8 wherein the flank has a radially outer portion lying substantially in a plane perpendicular to the axis and a frustoconical radially inner portion inclined at about 10° to the plane.
Claim 11
Dependent Claim
37 words
10 . The collet chuck defined in claim 2 wherein the mounting collar has an axially forwardly directed shoulder and the jaw front ends each have an axially rearwardly directed shoulder engageable axially with the collar shoulder.
References Cited (Backward Citations)
No citation records indexed.
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