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Outline
Indent Level
Color Curly Brackets (indicating CPC extensions to IPC) References Date Revised

CPC
COOPERATIVE PATENT CLASSIFICATION
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SHEDDING MECHANISMS ; PATTERN CARDS OR CHAINS ; PUNCHING OF CARDS ; DESIGNING PATTERNS
WARNING
-

The following IPC groups are not used in the CPC scheme. Subject-matter covered by these groups is classified in the following CPC groups: - D03C9/04 covered by D03C 9/028

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Dobbies
.
{
Electronic dobbies
}
WARNING
-
Not complete pending the completion of a reclassification, see also group D03C 1/00

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.
Single-lift dobbies, i.e. dobbies in which the same draw-knife or equivalent operates for every pick ( D03C 1/10 takes precedence )
D03C 1/04
. .
Open-shed single-lift dobbies
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.
Double-lift dobbies, i.e. dobbies in which separate draw-knives or equivalent operate on alternate picks
D03C 1/08
. .
reversible, i.e. correct sheds open automatically when the loom is driven backwards
.
Centre-shed dobbies, i.e. shed formed by lifting some threads and lowering the others from central shed-closed position
D03C 1/12
.
Dobbies employing toothed gearing instead of draw-knives
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.
Features common to dobbies of different types ( stop motions acting on defective operation of shedding mechanisms D03D 51/46 )
. .
{
Leveling mechanisms
}
WARNING
-
Not complete pending the completion of a reclassification, see also group D03C 1/14

. .
{
linking to the heald frame
}
WARNING
-
Not complete pending the completion of a reclassification, see also group D03C 1/14

. .
{
Independent drive motor
}
WARNING
-
Not complete pending the completion of a reclassification, see also group D03C 1/14

. .
{
Eccentrics
}
WARNING
-
Not complete pending the completion of a reclassification, see also groups D03C 1/00 and D03C 1/14

D03C 1/16
. .
Arrangements of dobby in relation to loom
D03C 1/18
. .
Knives ; Knife frames
D03C 1/20
. .
Hooks ; Lifters
. .
Needles ; Needle boxes ; Needle boards
. .
Cylinders ; Cylinder battens
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D03C 1/26
. .
Facilitating engagement of lifting-hooks with draw-knives
D03C 1/28
. . .
by creating and then eliminating back-lash between hooks and knives
D03C 1/30
. . .
wherein all the hooks are disengaged from the knives, and selected hooks then re-engaged
D03C 1/32
. . .
wherein all the hooks are engaged with the knives, and unselected hooks then disengaged
D03C 1/34
. .
Arrangements wherein warp threads pass one another at different heights to avoid congestion
D03C 1/36
. .
Card- or chain-saving arrangements, e.g. cross-border dobbies
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Jacquards ( controlling jacquard by scanning design D03C 17/06 ; for gripper Axminster looms D03D 39/08 )
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.
Single-lift jacquards
D03C 3/04
. .
of open-shed type
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.
Double-lift jacquards
D03C 3/08
. .
of open-shed type
.
Centre-shed jacquards
D03C 3/12
.
Multiple-shed jacquards, i.e. jacquards which move warp threads to several different heights, e.g. for weaving pile fabrics
D03C 3/14
.
Jacquards not employing lifting-hooks, e.g. employing knotted cords in conjunction with keyhole slots
D03C 3/16
.
Verdol or other jacquards having intermediate power-operated needles between reading needles and lifting-hooks
D03C 3/18
.
Selvedge jacquards
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D03C 3/20
.
Electrically-operated jacquards
. .
{
Independently actuated lifting cords
}
WARNING
-
Not complete pending the completion of a reclassification, see also group D03C 3/20

.
Fluid-operated jacquards
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D03C 3/24
.
Features common to jacquards of different types
D03C 3/26
. .
General arrangements of jacquards, or disposition in relation to loom
D03C 3/28
. .
Pick-finding arrangements ; Arrangements for preventing next shed from being opened during stopping of loom
D03C 3/30
. .
Arrangement wherein hooks are positively operated to close shed
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D03C 3/32
. .
Jacquard driving mechanisms
. . .
Cylinder operating mechanisms
. . .
Griffe operating mechanisms
D03C 3/38
. .
Comber boards
D03C 3/40
. .
Constructions of lifting-cords
D03C 3/42
. .
Arrangements of lifting-cords
. .
Lingoes
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Cam or other direct-acting shedding mechanisms, i.e. operating heald frames without intervening power-supplying devices
.
{
Leveling mechanisms
}
WARNING
-
Not complete pending the completion of a reclassification, see also groups D03C 5/00 and D03C 5/02

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D03C 5/02
.
operated by rotating cams
D03C 5/04
. .
Construction or shape of cams ( cams in general F16H 53/00 )
D03C 5/06
.
operated by cam devices other than rotating cams
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Leno or similar shedding mechanisms
.
{
Combined leno and patterned shedding motion
}
WARNING
-
Not complete, classification to this group is a continuous process

.
Gauze healds
.
Mechanisms having discs oscillating about a weftwise axis and having apertures for warp threads
.
Mechanisms having eyed needles for moving warp threads from side to side of other warp threads
.
Devices for twisting warp threads repeatedly in the same direction
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Healds ; Heald frames ( for leno shedding D03C 7/00 )
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.
Healds
. .
{
anti-buckling
}
WARNING
-
Not complete pending the completion of a reclassification, see also group D03C 9/02

. .
{
Eyelets
}
WARNING
-
Not complete pending the completion of a reclassification, see also group D03C 9/02

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D03C 9/026
. .
{
Material used
}
WARNING
-
Not complete pending the completion of a reclassification, see also group D03C 1/14

. . .
{
Metal
}
D03C 2009/04
. .
{
Metal healds
}
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D03C 9/06
.
Heald frames
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D03C 9/0608
. .
{
Construction of frame parts
}
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D03C 9/0616
. . .
{
Horizontal upper or lower rods
}
D03C 9/0625
. . . .
{
Composition or used material
}
D03C 9/0633
. . . .
{
Heald bars or their connection to other frame parts
}
D03C 9/0641
. . . .
{
Distance guides for keeping distance to the next frame
}
D03C 9/065
. . .
{
Side stays
}
D03C 9/0658
. . .
{
Intermediate supports or their connection to other frame parts
}
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D03C 9/0666
. .
{
Connection of frame parts ( D03C 9/0633 and D03C 9/0658 take precedence )
}
D03C 9/0675
. . .
{
Corner connections between horizontal rods and side stays
}
. .
{
Arrangements or means for the linking to the drive system
}
D03C 9/0691
. .
{
Arrangements of means for damping or noise reduction
}
Selvedge shedding mechanisms not forming part of main shedding mechanism ( selvedge jacquards D03C 3/18 ; leno selvedge mechanism D03C 7/00 )
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Shedding mechanisms not otherwise provided for
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.
{
with independent drive motors ( D03C 1/146 and D03C 3/205 take precedence )
}
WARNING
-
Not complete pending the completion of a reclassification, see also groups D03C 5/00 and D03C 13/00

. .
{
with independent frame drives
}
WARNING
-
Not complete pending the completion of a reclassification, see also groups D03C 5/00 and D03C 13/00

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Pattern cards or chains
D03C 15/02
.
Chains of metal, wood, or similar material with projecting pattern-indicating elements
D03C 15/04
.
Cards or paper perforated to indicate pattern
D03C 15/06
.
Apparatus for setting pegs in, or removing pegs from, pattern cards
D03C 15/08
.
Apparatus for interconnecting, e.g. by lacing, or disconnecting pattern cards
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Card-punching apparatus ( marking record carriers in digital fashion G06K )
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D03C 17/02
.
manually-controlled, i.e. holes to be punched determined by the operator
D03C 17/04
. .
power-operated
D03C 17/06
.
automatic, i.e. design scanned optically or otherwise to control punching apparatus or to control loom jacquard directly
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Miscellaneous methods or devices concerned with designing or making patterns
.
{
Electronic
}
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D03C 2700/00
Shedding mechanisms
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D03C 2700/01
.
Shedding mechanisms using heald frames
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D03C 2700/0105
. .
Cam-driven heald frame movement
D03C 2700/0111
. . .
Devices for levelling the heald frames ; Coupling and uncoupling the drive for the heald frames ; Devices for holding the shed open
D03C 2700/0116
. . .
Arrangements in which warp threads pass one another at different heights
D03C 2700/0122
. . .
Devices for adjusting the geometric and time parameters of shed opening
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D03C 2700/0127
. .
Programme-controlled heald frame movement
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D03C 2700/0133
. . .
with mechanical transmission
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D03C 2700/0138
. . . .
using hooks or lifters
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D03C 2700/0144
. . . . .
Single-lift mechanisms
D03C 2700/015
. . . . . .
of closed-shed type
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D03C 2700/0155
. . . . .
Double-lift mechanisms
D03C 2700/0161
. . . . . .
of negatively-driven type
D03C 2700/0166
. . . . . .
of positively-driven type
D03C 2700/0172
. . . . . .
Constructional details
D03C 2700/0177
. . .
Devices for levelling the heald frames ; Coupling and uncoupling the drive for the heald frames ; Devices for holding the shed open
D03C 2700/0183
. . .
Devices for adjusting the geometric and time parameters of shed opening
D03C 2700/0188
. .
Heald frame return devices
D03C 2700/0194
. .
Frame-operating devices for ribbon looms
D03C 2700/14
. .
Heald frame lifting devices
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013