IPC 6 English version H01H 53/00-H01H 71/74

IPC ⁶ English version

H01H 47/00 - H01H 51/36

H01H05300-H01H07174

H01H 73/00 - H01H 87/00

SECTION H– ELECTRICITY

H 01

BASIC ELECTRIC ELEMENTS

H 01 H

ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES (contact cables H 01 B 7/10; overvoltage protection resistors, resistive arresters H 01 C 7/12, H 01 C 8/04; electrolytic self-interrupters H 01 G 9/18; switching devices of the waveguide type H 01 P; devices for interrupted current collection H 01 R 39/00; overvoltage arresters using spark gaps H 01 T 4/00; emergency protective circuit arrangements H 02 H; switching by electronic means without contact-making H 03 K 17/00)

53/

Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them

53/

Details

53/

015

Moving coils; Contact-driving arrangements associated therewith

53/

Electrodynamic relays, i.e. relays in which the interaction is between two current-carrying conductors

53/

Ferrodynamic relays, i.e. relays in which the magnetic field is concentrated in ferromagnetic parts

53/

Magnetodynamic relays, i.e. relays in which the magnetic field is produced by a permanent magnet

53/

wherein a mercury contact constitutes the current-carrying conductor

53/

Induction relays, i.e. relays in which the interaction is between a magnetic field and current induced thereby in a conductor

53/

Ferraris relays

53/

Contacts actuated by an electric motor through fluid-pressure transmission, e.g. using a motor-driven pump

55/

Magnetostrictive relays

57/

Electrostrictive relays; Piezo-electric relays

59/

Electrostatic relays; Electro-adhesion relays (clutches in general using the Johnson-Rahbek effect H 02 N 13/00)

61/

Electrothermal relays (thermal switches not operated by electrical input, thermal switches with anticipating electrical input H 01 H 37/00; thermally-sensitive members H 01 H 37/32)

61/

Details

61/

013

Heating arrangements for operating relays

61/

017

Heating by glow discharge or arc in confined space

61/

wherein the thermally-sensitive member is heated indirectly, e.g. resistively, inductively

61/

wherein the thermally-sensitive member is only heated directly

61/

Self-interrupters, i.e. with periodic or other repetitive opening and closing of contacts

61/

wherein the make-to-break ratio is varied by hand setting or current strength

Selectors [3]

63/

Details of electrically-operated selector switches (details of relays H 01 H 45/00)

63/

Contacts; Wipers; Connections thereto

63/

Contact-making or contact-breaking wipers; Position indicators therefor

63/

Contact banks

63/

cylindrical

63/

plane

63/

Multiplying connections to contact banks, e.g. using ribbon cables

63/

without soldering

63/

Driving arrangements for multi-position wipers

63/

with step-by-step motion of wiper to a selector position

63/

using stepping magnet and ratchet

63/

using step-by-step electromagnetic drive without ratchet, e.g. self-interrupting driving magnet

63/

with continuous motion of wiper until a selected position is reached

63/

with an individual clutch-drive from a shaft common to more than one selector switch

63/

with an individual motor for each selector switch

63/

Pneumatic motor for moving wiper to selected position

63/

Spring motor for moving wiper to selected position

63/

Constructional details of co-ordinate-type selector switches not having relays at cross-points

63/

Bases; Cases; Covers; Mountings (racks for mounting selectors with or without other exchange equipment H 04 Q 1/04); Mounting of fuses on selector switch

63/

Circuit arrangements for ensuring correct or desired operation and not adapted to a particular application of the selector switch

63/

for multi-position wiper switches

63/

for multi-position switches without wipers

63/

for co-ordinate-type selector switches not having relays at cross-points

65/

Apparatus or processes specially adapted to the manufacture of selector switches or parts thereof

67/

Electrically-operated selector switches (details thereof H 01 H 63/00; selecting in general H 04 Q)

67/

Multi-position wiper switches

67/

having wipers movable only in one direction for purpose of selection

67/

Rotary switches, i.e. having angularly movable wipers

67/

with wiper selection

67/

with coarse and fine positioning of wipers

67/

Linear-motion switches

67/

having wipers movable in two mutually perpendicular directions for purpose of selection

67/

one motion being rotary and the other being parallel to the axis of rotation, e.g. Strowger or "up and around" switches

67/

one motion being rotary and the other being perpendicular to the axis of rotation, e.g. "round and in" switches

67/

both motions being linear

67/

Switches without multi-position wipers

67/

Co-ordinate-type relay switches having an individual electromagnet at each cross-point

67/

Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch

67/

Co-ordinate-type selector switches with field of co-ordinate coil acting directly upon magnetic leaf spring or reed-type contact member

67/

having a multiplicity of interdependent armatures operated in succession by a single coil and each controlling one contact or set of contacts, e.g. counting relay

Emergency protective devices

69/

Apparatus or processes for the manufacture of emergency protective devices (manufacture of switches in general H 01 H 11/00; manufacture of relays in general H 01 H 49/00)

69/

for calibrating or setting of devices to function under predetermined conditions (measuring electric values G 01 R)

69/

Manufacture of fuses

71/

Details of the protective switches or relays covered by groups H 01 H 73/00 to H 01 H 83/00

71/

Housings; Casings; Bases; Mountings

71/

Means for indicating condition of the switching device

71/

Distinguishing marks, e.g. colour coding

71/

Terminals; Connections (in general H 01 R)

71/

Operating or release mechanisms

71/

Automatic release mechanisms with or without manual release

71/

Electrothermal mechanisms

71/

with bimetal element

71/

with expanding rod, strip, or wire

71/

with fusible mass

71/

with compensation for variation of ambient temperature

71/

Electromagnetic mechanisms

71/

with windings acting in opposition

71/

with windings acting in conjunction

71/

having additional short-circuited winding

71/

having permanently magnetised part

71/

having two or more armatures controlled by a common winding

71/

frequency selective

71/

wherein the magnet coil also acts as arc blow-out device

71/

Combined electrothermal and electromagnetic mechanisms

71/

Induction-motor, induced-current, or electrodynamic release mechanisms

71/

Electrodynamic release mechanisms

71/

having means for introducing a predetermined time delay (by short-circuited winding H 01 H 71/30; by additional armature H 01 H 71/34)

71/

having means for operating auxiliary contacts additional to the main contacts

71/

with provision for short-circuiting the electrical input to the release mechanism after release of the switch, e.g. for protection of heating wire

71/

Manual reset mechanisms

71/

actuated by lever

71/

actuated by tumbler

71/

actuated by rotatable knob or wheel

71/

actuated by push-button, pull-knob, or slide

71/

actuated by closure of switch casing

71/

with means for preventing resetting while abnormal condition persists, e.g. loose handle arrangement

71/

incorporating toggle linkage

71/

Power reset mechanisms

71/

actuated by electromagnet

71/

actuated by electric motor

71/

actuated automatically a limited number of times

71/

Means for adjusting the conditions under which the device will function to provide protection

H01H 47/00 - H01H 51/36

H01H 73/00 - H01H 87/00