1. Actuating device for an electrical connection terminal, wherein
the electrical connection terminal comprises a contact frame, arranged in a housing made of insulating material, with a conductor terminal connection for an electrical conductor,
the actuating device comprises an actuating element in the form of a pusher which is integrally formed with the housing made of insulating material so that the pusher and the housing forms a single piece,
the conductor terminal connection is formed on the contact frame by at least one spring element, the free end of which forms a clamping edge which is directed toward the electrical conductor and to which a clamping force is applied, and
the conductor terminal connection can be opened by action of the pusher on the at least one spring element by a force being applied to the spring element by the pusher counter to the clamping force,
wherein the pusher consists of a pusher arm,
wherein the pusher arm
is connected with one of its ends to the housing made of insulating material, and wherein
the pusher arm extends along at least a partial section of two surfaces of the housing made of insulating material which are arranged at an angle to each other.
2. Actuating device according to claim 1, wherein the two surfaces which are arranged at an angle to each other are arranged at least almost perpendicularly to each other.
3. Actuating device according to claim 1, wherein the pusher arm has an actuating surface with a trough-like recess.
4. Actuating device according to claim 1, wherein the pusher arm can be deformed resiliently.
5. Actuating device according to claim 1, wherein the spring element takes the form of a leaf spring or a spring leg.
6. Actuating device according to claim 1, wherein the contact frame is configured as a channel and wherein the contact frame has on each side wall, in order to form a conductor terminal connection, in each case at least one leaf spring, in the form of a tongue stamped from a flat material, which is bent out of the plane of the flat material, in such a way that the free end of the leaf spring forms a clamping edge directed toward the electrical conductor.
7. Actuating device according to claim 6, wherein a lead-in sloping face directed toward the outside of the electrical connection terminal is in each case integrally formed on the leaf springs.
8. Actuating device according to claim 1, wherein an overload protection is provided for the at least one spring element andor the pusher.
9. Actuating device according to claim 8, wherein the deflection of the spring element in the form of a leaf spring can be limited by side walls andor partition walls of the housing made of insulating material.
10. Actuating device according to claim 8, wherein the deflection of the pusher arm can be limited by the pusher arm bearing against at least one spring element in the form of a leaf spring.
11. Actuating device for an electrical connection terminal, wherein
the electrical connection terminal comprises a contact frame, arranged in a housing made of insulating material, with a conductor terminal connection for an electrical conductor,
the actuating device comprises an actuating element in the form of a pusher which is integrally formed with the housing made of insulating material so that the pusher and the housing forms a single piece,
the conductor terminal connection is formed on the contact frame by at least one spring element, the free end of which forms a clamping edge which is directed toward the electrical conductor and to which a clamping force is applied, and
the conductor terminal connection can be opened by action of the pusher on the at least one spring element by a force being applied to the spring element by the pusher counter to the clamping force,
wherein the pusher consists of a pusher arm,
wherein the pusher arm
is connected with one of its ends to the housing made of insulating material, and wherein
the pusher arm extends along at least a partial section of two surfaces of the housing made of insulating material which are arranged at an angle to each other, and
wherein the pusher arm has an actuating portion which is remote from the end connected to the housing made from insulating material and which has an essentially wedge-shaped pusher surface, wherein the wedge-shaped pusher surface can be pushed in between the leaf springs by the lead-in sloping faces flared out relative to each other in a funnel shape in order to open the terminal connection of the electrical conductor by the leaf springs being pushed apart.
12. Actuating device for an electrical connection terminal, wherein
the electrical connection terminal comprises a contact frame, arranged in a housing made of insulating material, with a conductor terminal connection for an electrical conductor,
the actuating device comprises an actuating element in the form of a pusher which is integrally formed with the housing made of insulating material so that the pusher and the housing forms a single piece,
the conductor terminal connection is formed on the contact frame by at least one spring element, the free end of which fauns a clamping edge which is directed toward the electrical conductor and to which a clamping force is applied, and
the conductor terminal connection can be opened by action of the pusher on the at least one spring element by a force being applied to the spring element by the pusher counter to the clamping force,
wherein the pusher consists of a pusher arm,
wherein the pusher arm
is connected with one of its ends to the housing made of insulating material, and wherein
the pusher arm extends along at least a partial section of two surfaces of the housing made of insulating material which are arranged at an angle to each other,
wherein the pusher arm is formed by a first pusher arm part which matches the course of a rear side of the housing, and a second pusher arm part which matches the course of an upper surface of the housing,
wherein the pusher arm is arranged inside a recess of the housing made from insulating material, and
wherein, in the mounted state of the housing made from an insulating material and the contact frame, the pusher arm is subject to pretensioning.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A conduit system, comprising:
at least one cable;
at least one microduct, wherein at least a portion of an external surface of the microduct substantially abuts at least a portion of an external surface of the at least one cable, wherein the at least one microduct is adapted to receive at least one other cable; and
a continuous sheath substantially enveloping the external surfaces of the at least one cable and the at least one microduct.
2. The invention according to claim 1, wherein the cable is selected from the group consisting of communications cable, power cable, and combinations thereof.
3. The invention according to claim 1, wherein the at least one microduct has a cross-sectional diameter in the range of about 5 to about 13 millimeters.
4. The invention according to claim 1, wherein the at least one microduct is comprised of polyethylene.
5. The invention according to claim 1, wherein the at least one microduct is comprised of high density polyethylene.
6. The invention according to claim 1, wherein the sheath is comprised of polyethylene.
7. The invention according to claim 1, further comprising a lubricous material applied to at least a portion of an external surface of the sheath.
8. The invention according to claim 1, wherein there are at least two microducts, wherein at least a portion of an external surface of the at least two microducts substantially abut at least a portion of an external surface of the at least one cable.
9. The invention according to claim 8, wherein the external surface of one of the at least two microducts substantially abuts the external surface of the other one of the at least two microducts.
10. The invention according to claim 8, wherein the external surface of one of the at least two microducts does not abut the external surface of the other one of the at least two microducts.
11. The invention according to claim 1, wherein there are a plurality of microducts, wherein at least a portion of an external surface of plurality of microducts substantially abut at least a portion of an external surface of the at least one cable.
12. The invention according to claim 11, wherein the external surface of one of the plurality of microducts substantially abuts the external surface of at least one other of the plurality of microducts.
13. A conduit system, comprising:
at least one cable;
at least one microduct, wherein at least a portion of an external surface of the microduct substantially abuts at least a portion of an external surface of the at least one cable, wherein the at least one microduct is adapted to receive at least one other cable; and
an elongated member wound around at least a portion of the external surfaces of the at least one cable and the at least one microduct.
14. The invention according to claim 13, wherein the cable is selected from the group consisting of communications cable, power cable, and combinations thereof.
15. The invention according to claim 13, wherein the at least one microduct has a cross-sectional diameter in the range of about 5 to about 13 millimeters.
16. The invention according to claim 13, wherein the at least one microduct is comprised of polyethylene.
17. The invention according to claim 13, wherein the at least one microduct is comprised of high density polyethylene.
18. The invention according to claim 13, wherein the member is comprised of polyethylene.
19. The invention according to claim 13, further comprising a lubricous material applied to at least a portion of an external surface of the member.
20. The invention according to claim 13, wherein there are at least two microducts, wherein at least a portion of an external surface of the at least two microducts substantially abut at least a portion of an external surface of the at least one cable.
21. The invention according to claim 20, wherein the external surface of one of the at least two microducts substantially abuts the external surface of the other one of the at least two microducts.
22. The invention according to claim 20, wherein the external surface of one of the at least two microducts does not abut the external surface of the other one of the at least two microducts.
23. The invention according to claim 13, wherein there are a plurality of microducts, wherein at least a portion of an external surface of plurality of microducts substantially abut at least a portion of an external surface of the at least one cable.
24. The invention according to claim 23, wherein the external surface of one of the plurality of microducts substantially abuts the external surface of at least one other of the plurality of microducts.
25. A method of forming a conduit system, comprising:
providing at least one cable;
providing at least one microduct, wherein the at least one microduct is adapted to receive at least one other cable;
providing a continuous sheath;
bringing at least a portion of an external surface of the microduct and at least a portion of an external surface of the at least one cable into abutting engagement; and
substantially enveloping the external surfaces of the at least one cable and the at least one microduct with the sheath.
26. The invention according to claim 25, wherein the cable is selected from the group consisting of communications cable, power cable, and combinations thereof.
27. The invention according to claim 25, wherein the at least one microduct has a cross-sectional diameter in the range of about 5 to about 13 millimeters.
28. The invention according to claim 25, wherein the at least one microduct is comprised of polyethylene.
29. The invention according to claim 25, wherein the at least one microduct is comprised of high density polyethylene.
30. The invention according to claim 25, wherein the sheath is comprised of polyethylene.
31. The invention according to claim 25, further comprising applying a lubricous material to at least a portion of an external surface of the sheath.
32. The invention according to claim 25, wherein there are at least two microducts, wherein at least a portion of an external surface of the at least two microducts substantially abut at least a portion of an external surface of the at least one cable.
33. The invention according to claim 32, wherein the external surface of one of the at least two microducts substantially abuts the external surface of the other one of the at least two microducts.
34. The invention according to claim 32, wherein the external surface of one of the at least two microducts does not abut the external surface of the other one of the at least two microducts.
35. The invention according to claim 25, wherein there are a plurality of microducts, wherein at least a portion of an external surface of plurality of microducts substantially abut at least a portion of an external surface of the at least one cable.
36. The invention according to claim 35, wherein the external surface of one of the plurality of microducts substantially abuts the external surface of at least one other of the plurality of microducts.
37. A method of forming a conduit system, comprising:
providing at least one cable;
providing at least one microduct, wherein the at least one microduct is adapted to receive at least one other cable;
providing an elongated member;
bringing at least a portion of an external surface of the microduct and at least a portion of an external surface of the at least one cable into abutting engagement; and winding the member around at least a portion of the external surfaces of the at least one cable and the at least one microduct.
38. The invention according to claim 37, wherein the cable is selected from the group consisting of communications cable, power cable, and combinations thereof.
39. The invention according to claim 37, wherein the at least one microduct has a cross-sectional diameter in the range of about 5 to about 13 millimeters.
40. The invention according to claim 37, wherein the at least one microduct is comprised of polyethylene.
41. The invention according to claim 37, wherein the at least one microduct is comprised of high density polyethylene.
42. The invention according to claim 37, wherein the member is comprised of polyethylene.
43. The invention according to claim 37, further comprising applying a lubricous material to at least a portion of an external surface of the member.
44. The invention according to claim 37, wherein there are at least two microducts, wherein at least a portion of an external surface of the at least two microducts substantially abut at least a portion of an external surface of the at least one cable.
45. The invention according to claim 44, wherein the external surface of one of the at least two microducts substantially abuts the external surface of the other one of the at least two microducts.
46. The invention according to claim 44, wherein the external surface of one of the at least two microducts does not abut the external surface of the other one of the at least two microducts.
47. The invention according to claim 37, wherein there are a plurality of microducts, wherein at least a portion of an external surface of plurality of microducts substantially abut at least a portion of an external surface of the at least one cable.
48. The invention according to claim 47, wherein the external surface of one of the plurality of microducts substantially abuts the external surface of at least one other of the plurality of microducts.