JPH031705U

JPH031705U -

Info

Publication number: JPH031705U
Application number: JP6351889U
Authority: JP
Priority date: 1989-05-31
Filing date: 1989-05-31
Publication date: 1991-01-09

Description

[Brief explanation of drawings]

第１図はボールノツチ部材を有する子爪付チヤ
ツクの一部切断面で表した側面図、第２図は第１
図の正面図、第３図は第１図、第２図と異なる位
置にボールノツチ部材を設けた親子爪の側面図、
第４図は第１図〜第３図と異なる位置に弾機位置
決め部材を設けた親子爪の正面図である。４……親爪、５……旋回中心軸、６……子爪、
７……ボール、８……ばね。 Fig. 1 is a side view, partially cut away, of a chuck with a child claw having a ball notch member;
3 is a front view of the figure, and FIG. 3 is a side view of the parent and child pawl with the ball notch member provided in a different position from FIGS. 1 and 2;
FIG. 4 is a front view of a parent and child claw in which a bullet positioning member is provided at a position different from that in FIGS. 1 to 3. 4...Main claw, 5...Rotation center axis, 6...Small claw,
7...Ball, 8...Spring.

Claims

[Scope of utility model registration request]

In a chuck having child pawls 6 which are provided on the front surface of a master pawl 4 and can be rotated slightly around a pivot axis 5 in the axial direction at equal intervals on a concentric circle with respect to the rotation center, there is a gap between the master pawl and the child pawl. A chuck characterized in that bullet positioning members 7 and 8 are provided to prevent the child claw from tilting before gripping the workpiece.