Patents-Review.com
ClassID:

40634 ⎘

B23B31/302 - CPC Classification

Classification description:

Chucks ; Expansion mandrels; Adaptations thereof for remote control; Chucks characterised by features relating primarily to remote control of the gripping means using fluid-pressure means in the chuck Hydraulic equipment, e.g. pistons, valves, rotary joints

Recent Application in this class:
#1
20250339903
2025-11-06

HYDRAULIC EXPANSION CHUCK

 #2
20250319525
2025-10-16

EXPANSION DLEEVE FOR A HYDRAULIC EXPANSION CHUCK

 #3
20250276386
2025-09-04

UTILITIES SUPPLY APPARATUS FOR TOOL HOLDER OF MACHINE TOOL

 #4
20250033122
2025-01-30

MODULAR HYDRAULIC CHUCK

 #5
20240293873
2024-09-05

CLAMPING DEVICE FOR TOOL HOLDER

 #6
20240278334
2024-08-22

CLAMPING DEVICE FOR TOOL HOLDER

 #7
20240024962
2024-01-25

Expansion Clamping Sleeve and Hydraulic Expansion Clamping Chuck

 #8
20240017333
2024-01-18

MAIN-SHAFT AND HOLDER COMBINATION, HOLDER, AND MACHINE TOOL

 #9
20230271261
2023-08-31

CLAMPING DEVICE FOR TOOL HOLDER

 #10
20230114855
2023-04-13

PULLING DEVICE FOR A CLAMPING DEVICE AND CLAMPING DEVICE EQUIPPED THEREWITH

 #11
20220266351
2022-08-25

CONTROL METHOD FOR CHUCK DEVICE

 #12
20220219247
2022-07-14

CONTROL METHOD FOR CHUCK DEVICE

 #13
20210323078
2021-10-21

Hydraulic expanding chuck

 #14
20210108728
2021-04-15

Hydraulic tool mount and sealing piston for such a mount

 #15
20210094104
2021-04-01

Jig system with hydraulic expansion clamp mechanism

 #16
20200384589
2020-12-10

Pushing structure of clamping mechanism

 #17
20200376568
2020-12-03

Drive system and control method for chuck device

 #18
20200038965
2020-02-06

Material transferring and positioning device for wheel machining center

 #19
20190224791
2019-07-25

Spindle apparatus for use at a machine tool, in particular a lathe, and machine tool with such spindle apparatus

 #20
20190224757
2019-07-25

Spindle apparatus for use at a machine tool, in particular a lathe, and machine tool with such spindle apparatus

 #21
20190039150
2019-02-07

Hydraulic chuck

 #22
20180333787
2018-11-22

Counter bearing for machining spindles of machine tools and method for clamping counter bearings and tools

 #23
20180207729
2018-07-26

Automatic wheel rim positioning and clamping tool

 #24
20180200805
2018-07-19

Wheel clamp

 #25
20180154454
2018-06-07

EXPANDING CLAMPING SLEEVE, TOOLHOLDER HAVING SUCH AN EXPANDING CLAMPING SLEEVE AND METHOD FOR CLAMPING A TOOL

 #26
20170312834
2017-11-02

VEHICLE WHEEL LATHE FIXTURE

 #27
20170291226
2017-10-12

Hydraulic chuck device

 #28
20170209940
2017-07-27

Lathe Chuck for Aluminum Alloy Hubs

 #29
20160096227
2016-04-07

Main spindle device of machine tool

 #30
20160067790
2016-03-10

Tool attachment and through spindle coolant systems for use with ultrasonic machining modules

 #31
20150231709
2015-08-20

Clamping apparatus

 #32
20150183030
2015-07-02

Chuck for holding precision components

 #33
20150078849
2015-03-19

Collapsible drill and associated methods of use

 #34
20150042049
2015-02-12

CHUCK

 #35
20130106067
2013-05-02

Tool holder

 #36
20120126494
2012-05-24

PNEUMATIC CLAMPING CYLINDER

 #37
20120013080
2012-01-19

Hydraulic chuck assembly

 #38
20110210523
2011-09-01

CHUCK FOR HOLDING PRECISION COMPONENTS

 #39
20100284756
2010-11-11

TOOL CLAMPING DEVICE OF TOOL SEAT

 #40
20100229970
2010-09-16

Valve apparatus

 #41
20100218652
2010-09-02

Main spindle device

 #42
20100089047
2010-04-15

ACTUATOR, UNCLAMP APPARATUS HAVING ACTUATOR, AND MACHINING APPARATUS

 #43
20090304533
2009-12-10

Rotary reciprocating intensified hydraulic actuator

 #44
20090072499
2009-03-19

System for centrifugal-force compensation in a hydraulic machining-chuck actuator

 #45
20090053005
2009-02-26

Spindle device of machine tool

 #46
20080282878
2008-11-20

Pneumatic rotary actuator

 #47
20080157487
2008-07-03

Hydraulic chuck with independently moveable jaws

 #48
20080107548
2008-05-08

Rotary reciprocating intensified hydraulic actuator

 #49
20080034956
2008-02-14

Fluid pressure unit and fluid pressure unit control method

 #50
20070210501
2007-09-13

Quick-action clamping cylinder with an anti-blocking safety device

 #51
20060261562
2006-11-23

Compensating arbor or chuck