JPS5962906U

JPS5962906U - Check

Info

Publication number: JPS5962906U
Application number: JP16016082U
Authority: JP
Inventors: 俊次林; 青木　喜徳郎; 河村　弥三郎
Original assignee: 東洋精器株式会社
Priority date: 1982-10-21
Filing date: 1982-10-21
Publication date: 1984-04-25

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

図面ばこの考案に係るチャックの一実施例の一部を切欠
いた側面図である。１１胃チャック本体、１２・・・クランプ筒、１３ａ、
１３ｂ・・・テーパ付き外周面、１５・・・前部内側ニ
ードルローラ群、１７・・・後部内側ニードルローラ群
、１９・・・前部クランプリング、２１・・・後部クラ
ンプリング、１９ａ、２１ａ・・・テーパ付き内周面、
２３・・・前部外側ニードルローラ群、２５・・・後部
外側ニードルローラ群、２７・・・保持リング。FIG. 2 is a partially cutaway side view of an embodiment of the chuck according to the invention of the drawing tobacco. 11 gastric chuck body, 12...clamp tube, 13a,
13b...Tapered outer peripheral surface, 15...Front inner needle roller group, 17...Rear inner needle roller group, 19...Front clamp ring, 21...Rear clamp ring, 19a, 21a ...Tapered inner peripheral surface,
23... Front outer needle roller group, 25... Rear outer needle roller group, 27... Retaining ring.

Claims

[Scope of utility model registration request]

(1) A clamp tube provided at the tip of the chuck body, which has a tapered outer peripheral surface with a taper and a ridge line in the front and rear parts, respectively, and a clamp cylinder with a tapered outer peripheral surface of the front and rear parts of the clamp cylinder, respectively. Corresponds to the taper of the outer circumferential surface of the front and rear parts of the clamp cylinder, which are engaged through the front inner needle roller group and the rear inner needle roller group, which are arranged obliquely in one direction and the other with respect to the axis. A front clamp ring and a rear clamp ring, each having a tapered inner peripheral surface with a tapered end and a ridge line, and which are connected to each other so as to be rotatable as two bodies around an axis and to be able to be moved toward and away from each other in the axial direction, and a front clamp. ring and the rear clamp ring, a front outer needle roller group and a rear outer needle roller group that engage the outer peripheral surfaces of the front clamp ring and the rear clamp ring, respectively, in an inclined or tiltable manner with respect to their respective axes. A chuck consisting of a retaining ring fixed to a chuck body, which is rotatably held around an axis through a retaining ring.

(2) The chuck according to claim (1), wherein the front clamp ring and the rear clamp ring are biased toward each other via a spring.