Two-part coupling devices having three poles, with or without additional protective earth connection, e.g. for three-phase circuits; Separate parts thereof (with a holder adapted for supporting apparatus to which its counterpart is attached H 01 R 33/72) [4]
21
/
22
•
having the contacts of each coupling part arranged in line parallel with the direction of coupling-engaging motion, e.g. telephone-jack type
23
/
00
Two-part coupling devices having four or more poles, with or without additional protective earth connection; Separate parts thereof (with a holder adapted for supporting apparatus to which its counterpart is attached H 01 R 33/74)
23
/
02
•
having parallelly-arranged contacts for sliding engagement with their counter-contacts
23
/
10
•
•
wherein one coupling part is secured to wire or cable and the other part is secured to apparatus or structure, e.g. connectors comprising a plug and lead-through socket
23
/
26
•
having concentrically or coaxially arranged contacts
23
/
27
•
Hermaphroditic coupling devices [4]
23
/
66
•
for connection to or between flat or ribbon cables [3]
23
/
68
•
for connection to or between printed circuits [3]
23
/
70
•
•
co-operating with the edge of the printed circuit or with a counterpart provided on the edge of the printed circuit [3]
23
/
72
•
•
co-operating with the surface of the printed circuit or with a counterpart provided on the surface of the printed circuit (H 01 R 23/70 takes precedence) [3]
25
/
00
Coupling parts adapted for simultaneous co-operation with two or more identical counterparts, e.g. for distributing energy to two or more circuits (supported only by co-operation with a counterpart H 01 R 31/00; with a holder adapted for supporting apparatus to which its counterpart is attached H 01 R 33/88)
25
/
14
•
Rails or bus-bars constructed so that the counterparts can be connected thereto at any point along their length (installations of bus-bars H 02 G 5/00) [3]
25
/
16
•
Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts (installations of bus-bars H 02 G 5/00) [3]
27
/
00
Coupling parts adapted for co-operation with two or more dissimilar counterparts (supported only by co-operation with a counterpart H 01 R 31/00; with a holder adapted for supporting apparatus to which its counterpart is attached H 01 R 33/90)
27
/
02
•
for simultaneous co-operation with two or more counterparts
29
/
00
Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series/parallel selection
31
/
00
Coupling parts supported only by co-operation with counterpart
31
/
02
•
Intermediate parts for distributing energy to two or more circuits in parallel, e.g. splitter (for linking two coupling parts H 01 R 31/06; with a holder adapted for supporting apparatus to which its counterpart is attached H 01 R 33/92)
31
/
06
•
Intermediate parts for linking two coupling parts, e.g. adapter (with a holder adapted for supporting apparatus to which its counterpart is attached H 01 R 33/94) [4]
31
/
08
•
Short-circuiting members for bridging contacts in a counterpart (insulating members for separating contacts in a counterpart H 01 H 27/04)
33
/
00
Coupling devices in which a holder is adapted for supporting apparatus to which its counterpart is attached; Separate parts thereof (structural association of counterpart with specific apparatus, see the relevant subclass for the apparatus)
33
/
02
•
Single-pole devices, e.g. holder for supporting one end of a tubular incandescent or neon lamp
33
/
05
•
Two-pole devices [4]
33
/
06
•
•
with two current-carrying pins, blades, or analogous contacts, having their axes parallel to each other [4]
33
/
08
•
•
•
for supporting tubular fluorescent lamp [4]
33
/
09
•
•
•
for baseless lamp bulb [4]
33
/
18
•
•
having only abutting contacts
33
/
20
•
•
having concentrically or coaxially arranged contacts
33
/
22
•
•
for screw type base, e.g. for lamp [4]
33
/
46
•
•
for bayonet type base [4]
33
/
72
•
Three-pole devices
33
/
74
•
Devices having four or more poles
33
/
76
•
•
Holders with sockets, clips or analogous contacts, adapted for axially-sliding engagement with parallely-arranged pins, blades, or analogous contacts on counterpart, e.g. electronic tube socket
33
/
88
•
adapted for simultaneous co-operation with two or more identical counterparts
33
/
90
•
adapted for co-operation with two or more dissimilar counterparts
33
/
92
•
Holders formed as intermediate parts for distributing energy in parallel through two or more counterparts at least one of which is attached to apparatus to be held
33
/
94
•
Holders formed as intermediate parts for linking a counter-part to a coupling part
33
/
945
•
Holders with built-in electrical component [4]
33
/
95
•
•
with fuse; with thermal switch [4]
33
/
955
•
•
with switch operated manually and independent of engagement or disengagement of coupling [4]
33
/
96
•
•
with switch operated by engagement or disengagement of coupling [4]
33
/
965
•
Dustproof, splashproof, drip-proof, waterproof, or flameproof holders [4]
33
/
97
•
Holders with separate means to prevent loosening of the coupling or unauthorised removal of apparatus held [4]
33
/
975
•
Holders with resilient means for protecting apparatus against vibrations or shocks [4]
