IPC 7 English version F16B 13/00-F16B 47/00

F16B01300-F16B04700

SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F 16

ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

F 16 B

DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS, WEDGES; JOINTS OR JOINTING

13/

Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose (nails F16B 15/00; self-locking pins or bolts in general, stud-and-socket releasable fastenings F16B 21/00; dowels or bolts for railroad sleepers E01B 9/00; means for anchoring structural elements or bulkheads specially adapted to foundation engineering E02D 5/74; bolts or dowels used while laying bricks or casting concrete E04B 1/38; setting anchoring bolts in shafts, tunnels or galleries E21D 20/00; anchoring bolts for shafts, tunnels or galleries E21D 21/00) [5]

13/

in one piece with protrusions or ridges on the shaft

13/

with parts gripping in the hole or behind the reverse side of the wall after inserting from the front (friction-grip releasable fastenings in general F16B 2/00)

13/

combined with expanding sleeve

13/

with separate gripping parts moved into their final position in relation to the body of the device without further manual operation

13/

with separate gripping parts moved into their final position in relation to the body of the device by a separate operation (F16B 13/06 takes precedence)

13/

Separate metal dowel sleeves fastened by inserting the screw, nail, or the like

13/

self-cutting [2]

13/

Non-metallic plugs or sleeves; Use of liquid, loose solid or kneadable material therefor [5]

Fastening means without screw-thread (horseshoe nails A01L 7/10; nails for footwear A43B 23/20; thumb-tacks B43M 15/00; for building constructions E04B 1/38; for hand railings E04F 11/18; for fencing E04H 17/00)

15/

Nails; Staples (surgical staples A61B 17/064; manufacture of nails or staples B21G; railway spikes E01B 9/06)

15/

with specially shaped heads, e.g. with enlarged surfaces (ornaments for furniture A47B 95/04; removable ornamental heads for nails A47G 3/00)

15/

with spreading shaft

15/

with barbs, e.g. for metal parts; Drive screws

15/

formed in integral series but easily separable

17/

Connecting constructional elements or machine parts by a part of or on one member entering a hole in the other (construction of bolts, pins, or rivets F16B 19/00; riveting F16B 19/04; means for preventing withdrawal of a pin, spigot, or the like from its operative position, stud-and-socket releasable fastenings F16B 21/00)

19/

Bolts without screw-thread; Pins, including deformable elements (in screwed connections F16B 29/00); Rivets (means for preventing withdrawal F16B 21/00)

19/

Bolts or sleeves for positioning of machine parts, e.g. notched taper pins, fitting pins, sleeves, eccentric positioning rings

19/

Rivets; Spigots or the like fastened by riveting (lead seals G09F 3/00)

19/

Bolts fastening by swaged-on collars (F16B 19/08 takes precedence)

19/

Solid rivets made in one piece

19/

Hollow rivets; Multi-part rivets

19/

fastened by expanding mechanically

19/

fastened by fluid pressure, including by explosion (bolts shot by means of detonation-operated nailing tools into concrete constructions, metal walls, or the like F16B 19/14)

19/

Bolts or the like for shooting into concrete constructions, metal walls, or the like by means of detonation-operated nailing tools (tools therefor B25C, B27F)

21/

Means for preventing relative axial movement of a pin, spigot, shaft, or the like and a member surrounding it (riveted or deformable spigots F16B 19/04; for gudgeon pins F16J 1/18); Stud-and-socket releasable fastenings

21/

Releasable fastening devices locking by rotation (with snap action F16B 21/06; studs or coupling-pins with resilient protrusions F16B 21/08)

21/

with bayonet catch

21/

Releasable fastening devices with snap action

21/

in which the socket has a resilient part

21/

in which the stud, pin, or spigot has a resilient part (wall-dowels F16B 13/00)

21/

Releasable fastening devices with a stud engaging a keyhole slot

21/

by separate parts (key-type connection F16B 3/00; locking screws or nuts against rotation by such means F16B 39/04)

21/

with locking-pins or split-pins thrust into holes

21/

Details of locking-pins or split-pins

21/

with grooves or notches in the pin or shaft

21/

with circlips or like resilient retaining devices; Details (spring-washers for locking nuts F16B 39/24; adjusting-rings F16B 43/00)

21/

for bolts or shafts without holes, grooves, or notches for locking members

Fastening means using screw-thread (wall-dowels F16B 13/00; manufacture of threaded fastening means B21H, B21K, B23G; screws or bolts for railway sleepers E01B 9/10; screw mechanisms F16H)

23/

Specially-shaped heads of bolts or screws for rotations by a tool

25/

Screws that form threads in the body into which they are screwed, e.g. wood screws, self-tapping screws [4]

25/

by a cutting and material removing action, e.g. fluted self-tapping screws [4]

25/

by a slicing and material displacing action, e.g. wood screws with sharp thread crests [4]

25/

by swaging, i.e. material deforming action [4]

25/

by a combination of any two or all of the actions provided for in groups F16B 25/02 to F16B 25/06 [4]

25/

Screws performing an additional function to thread-forming, e.g. drill screws [4]

27/

Bolts, screws, or nuts formed in integral series but easily separable, particularly for use in automatic machines

29/

Screwed connection with deformation of nut or auxiliary member while fastening (members deformed for locking screws, bolts or nuts F16B 39/22)

31/

Screwed connections specially modified in view of tensile load; Break-bolts (shape of thread F16B 33/04)

31/

for indicating or limiting tensile load

31/

for maintaining constant tensile load

31/

having regard to possibility of fatigue rupture

33/

Features common to bolt and nut

33/

Shape of thread; Special thread-forms (used as screw-locking device F16B 39/30)

33/

in view of tensile load

33/

Surface treatment of parts furnished with screw-thread, e.g. for preventing seizure

35/

Screw-bolts; Stay bolts; Screw-threaded studs; Screws; Set screws (thread-cutting screws F16B 25/00)

35/

divided longitudinally

35/

with specially-shaped head or shaft in order to fix the bolt on or in an object (locking the bolt against turning in the object by the use of accessory parts F16B 39/00)

35/

Specially-shaped heads (special shape in order to rotate the bolt F16B 23/00)

37/

Nuts or like thread-engaging members

37/

made of thin sheet material (fastening to surfaces F16B 37/04)

37/

Devices for fastening nuts to surfaces, e.g. sheets, plates

37/

by means of welding or riveting

37/

Quickly-detachable nuts, e.g. consisting of two or more parts; Nuts movable along the bolt after tilting the nut

37/

divided parallel or about parallel to the bolt axis

37/

with thread-engaging surfaces formed by inserted coil-springs, discs, or the like; Independent pieces of wound wire used as nuts; Threaded inserts for holes

37/

Cap nuts; Nut caps or bolt caps

37/

Wing nuts (F16B 37/14 takes precedence)

39/

Locking of screws, bolts, or nuts (locking of bottle closures B65D; locking of rail-fastening bolts for permanent ways E01B 9/12; locking of fastening means for railway fishplates E01B 11/38; locking devices for valves or cocks F16K)

Note

In this group, heads of screws or bolts are put on a par with nuts as far as pertains to locking; an object into which a screw is threaded is put on a par with a nut.

39/

specially adapted to prevent loosening at extreme temperatures

39/

in which the locking takes place after screwing down (F16B 39/01 takes precedence; split-pins, circlips, or the like for preventing relative axial movement only F16B 21/10; fastening nuts by welding or riveting F16B 37/06)

39/

with a member penetrating the screw-threaded surface of at least one part, e.g. a pin, wedge, cotter-pin, screw

39/

with a pin or staple parallel to the bolt axis

39/

with a cap interacting with the nut, connected to the bolt by a pin or cotter-pin

39/

by a plate or ring immovable with regard to the bolt or object (F16B 39/08 takes precedence)

39/

by means of locknuts

39/

made of thin sheet material or formed as spring washers (locknuts per se made of thin sheet material F16B 37/02)

39/

in which the screw-thread of the locknut differs from that of the nut

39/

in which the locknut grips with screw-thread in the nuts as well as on the bolt

39/

by means of steel wire or the like (F16B 39/10 takes precedence)

39/

in which the locking takes place during screwing down or tightening (F16B 39/01 takes precedence)

39/

by means of washers, spring washers, or resilient plates that lock against the object (locking to the screw-thread F16B 39/14, F16B 39/36)

39/

with spring washers fastened to the nut or bolt-head

39/

by special members on, or shape of, the nut or bolt (F16B 39/26 takes precedence; locknuts F16B 39/12)

39/

282

Locking by means of special shape of work-engaging surfaces, e.g. notched or toothed nuts

39/

284

Locking by means of elastic deformation (F16B 39/38 takes precedence)

39/

286

caused by saw cuts

39/

Locking exclusively by special shape of the screw-thread

39/

Locking by means of a pawl or pawl-like tongue

39/

Locking by deformable inserts or like parts

39/

with conical locking parts, which may be split, including use of separate rings co-operating therewith

39/

with a second part of the screw-thread which may be resiliently mounted (F16B 39/30 takes precedence)

41/

Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts, or pins (seals G09F 3/00)

43/

Washers or equivalent devices; Other devices for supporting bolt-heads or nuts (circlips F16B 21/18; with special means for locking bolts or nuts F16B 39/10, F16B 39/24)

43/

with special provisions for engaging surfaces which are not perpendicular to a bolt axis or do not surround the bolt

45/

Hooks; Eyes (if the attaching parts or means are concerned, groups F16B 13/00, F16B 15/00, F16B 19/00, F16B 25/00, F16B 35/00, F16B 47/00 take precedence; for hanging pictures or the like A47G 1/16; towing hooks for ships B63B 21/58; for hoisting or hauling purposes B66C; hooks or eyes with integral parts designed to facilitate quick attachment to cables or ropes at any point F16G 11/14)

45/

Hooks with pivoting closing member

45/

Hooks with sliding closing member

45/

Hooks with two symmetrically-pivoting hook parts

47/

Suction cups for attaching purposes; Equivalent means using adhesives

F16 - F16B 12/60