F-Term-List

F16B21/00-21/20

AA00
TYPES

AA01

AA02

AA03

AA04

AA05

AA06

AA07

AA08

AA09

AA10

. Engagement by rotation, and bayonet connections

. Engagement using snaps

. Engagement using balls

. Male and female rivets for gripping of plates

. Engagement by key holes

. Set pins

. Prevention of loosening of rods with holes

. Prevention of loosening of rods with grooves

. Prevention of loosening of rods without holes and grooves

. Others

BA00
MATERIALS

BA01

BA02

BA03

BA04

BA05

BA10

. Metals

. Plastics, fiberglass-reinforced plastics (FRP), and rubber

. Shape-memory materials

. Combinations

. Coating and plating

. Others

BB00
ADDITIONAL FUNCTIONS

BB01

BB02

BB03

BB04

BB05

BB06

BB07

BB08

BB10

. Means for locking after engagement

. Characteristic means for facilitation of assembly

. . Facilitation of insertion

. Characteristic means for facilitation of disassembly

. Characteristic means for accommodation of changes in the thickness of the plates

. Means for prevention of loosening

. Positioning

. Workshop tools and manufacturing methods

. Others

F16B21/02;21/04

CA00
ENGAGEMENT BY ROTATION

CA01

CA02

CA03

CA04

CA05

CA06

CA07

CA08

. Engagement to wires and rods

. Engagement of rod-like members to cylindrical members

. . Projections in the internal circumference of the receiving unit, and grooves in the outer circumference of the insertion unit

. . Grooves in the internal circumference of the reception unit, and projections in the outer circumference of the insertion unit

. Eccentric double cylinders

. Rotary hooks

. Expansion of female members by rotating male members

. Cam-like engagement

CA11

CA12

CA13

CA14

CA15

CA16

CA17

CA18

CA19

CA20

. Cam clamps

. Notches in the insertion shaft

. Engagement of insertion claws in holes in plate-like elements

. . Use of holes with the same shape as the insertion claws

. . Elastic claws

. . Claws with self-locking means

. . Holes with self-locking means

. . Three or more claws and holes

. Arrangement of hooks and holes on the circumference of the opposite surface

. Others

F16B21/06-21/08

DA00
CHARACTERISTIC LOCATIONS FOR ENGAGEMENT OF SNAPS

DA01

DA02

DA03

DA04

DA05

DA06

DA07

. Insertion units

. . Tip ends of the rod

. . Lower surfaces of boxes and the surface of plate-like elements

. . Side surfaces of rods and boxes

. . Ends of plates

. . Ends of bands and hinges

. . Elongated elements

DA11

DA12

DA13

DA14

DA15

. Sockets

. . Tip ends of rods

. . Surfaces of members and plate-like elements

. . Ends of bands and hinges

. . Elongated elements

DB00
CHARACTERISTIC INSERTION UNITS

DB01

DB02

DB03

DB04

DB05

DB06

DB10

. Rods with steps and with grooves

. Claws for hooking to the exterior

. . Cylindrical arrangements

. . Elastic elements that are lifted by cutting

. Anchor-shaped units

. Engagement on the shoulder

. Others

DC00
CHARACTERISTIC SOCKETS

DC01

DC02

DC03

DC04

DC05

DC06

DC10

. Claws for hooking to the interior

. Engagement holes of plate-like elements

. . Use of radial grooves

. Engagement holes that are box-like projections

. Engagement on the inner surfaces of holes and grooves

. Receiving devices for wire springs

. Others

F16B21/00-21/20

EA00
ENGAGEMENT USING BALLS

EA01

EA02

EA03

EA04

EA10

. Balls on the cylinder side

. Balls on the shaft side

. Use of pressing sleeves

. Balls on the opposite surface

. Others

FA00
MALE AND FEMALE RIVETS FOR GRIPPING PLATES

FA01

FA02

FA03

FA10

. Rivets with saw blades

. Male and female claws

. Rivets that are engaged with caps

. Others

F16B21/09

GA00
ENGAGEMENT BY KEY HOLES

GA01

GA02

GA03

GA04

GA05

GA06

GA07

GA08

GA09

GA10

. Structure of male elements

. . Stud-shaped elements

. . Fixing with screws

. . Fixing with clips

. Structure of key holes

. . Rotary holes

. . Straight holes

. . Open grooves

. . Key holes that are provided in sheet-metal elements

. Others

F16B21/10-21/20

HA00
PREVENTION OF LOOSENING OF SET PINS AND RODS WITH HOLES

HA01

HA02

HA03

HA04

HA05

HA06

HA07

HA08

HA09

HA10

. Weak-point pins

. Tapered pins and wedges

. Cotter pins

. Pins with rotary members on the tip end

. Pins with units for engagement to the shaft

. Pins with engagement rings

. Pins with clip parts

. Spring pins

. Structure of rods with holes

. Others

JA00
PREVENTION OF LOOSENING OF RODS WITH GROOVES

JA01

JA02

JA03

JA04

JA05

JA06

JA07

JA08

JA09

. Use of keys

. Use of engagement plates

. Use of split rings

. Use of clips

. . Cap clips

. . Circular rings

. . . Rings with claws

. . Wire clips

. . Plate-spring clips

JA11

JA12

JA13

JA14

JA19

JA20

. . Snap rings

. . . Engagement in the internal circumference

. . . Engagement in the external circumference

. . . Multiple connection types

. Structure of rods with grooves

. Others

KA00
PREVENTION OF LOOSENING OF RODS WITHOUT HOLES AND GROOVES

KA01

KA02

KA03

KA04

KA05

KA07

KA08

KA09

KA10

. Use of clips

. . Contact on the end surface of the rod

. . . Wire clips

. Contact with plates

. Caulking

. Biting of plates into the rod

. . Biting of the outer circumference of the plate also into the rod

. Structure of rods without holes and grooves

. Others

3J037	Snaps, bayonet connections, set pins, and snap rings
	F16B21/00 -21/20