Connection fitting with clamping collet for elongated bodies
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F16L-005/00
H02G-003/04
출원번호
US-0901800
(2001-07-10)
우선권정보
DE-0033911 (2000-07-12)
발명자
/ 주소
Bartholoma, Mario
Zugel, Fritz
Gotz, Volker
Gerber, Philipp
출원인 / 주소
Anton Hummel Verwaltungs GmbH
대리인 / 주소
Volpe and Koenig P.C.
인용정보
피인용 횟수 :
31인용 특허 :
4
초록▼
A connection fitting for the fastening of elongated bodies, for example of cables (2) or also hoses, tubes, corrugated hoses and the like, in an opening (3), which can be a through hole or a boring in a wall (4) of a building. The connection fitting includes a clamping collet (9) which, in its opera
A connection fitting for the fastening of elongated bodies, for example of cables (2) or also hoses, tubes, corrugated hoses and the like, in an opening (3), which can be a through hole or a boring in a wall (4) of a building. The connection fitting includes a clamping collet (9) which, in its operation position, penetrates the opening (3) and is self expanding behind the opening (3), and which, by means of an axial retraction opposite to the direction of insertion, is also radially compressible and thus exerts a clamping force on the elongated body. To effect this motion of retraction, a sheath (11) is provided, which is frictionally connected or force-fit connected with a locking ring (15), which, by rotational movement of the sheath (11) itself turns accordingly and, by its own threading, is axially displaced until the ring (15) abuts the wall (4) on the opening rim (12) and remains there in a stop position. In this way, the respective thickness of the wall (4) is accommodated. A further turning of the sheath (11) using the frictional coupling with the locking ring (15) is possible, so that the clamping collet (9), following the attainment of the stop position of the locking ring (15), can being tensioning or be further tensioned because of corresponding axial dimensioning of the threading. For the user, it is principally necessary, to turn the sheath (11) in a uniform direction, in order to activate an adjustment of the connection fitting to the thickness of the wall and to firmly secure the elongated body (2) with the clamping collet.
대표청구항▼
A connection fitting for the fastening of elongated bodies, for example of cables (2) or also hoses, tubes, corrugated hoses and the like, in an opening (3), which can be a through hole or a boring in a wall (4) of a building. The connection fitting includes a clamping collet (9) which, in its opera
A connection fitting for the fastening of elongated bodies, for example of cables (2) or also hoses, tubes, corrugated hoses and the like, in an opening (3), which can be a through hole or a boring in a wall (4) of a building. The connection fitting includes a clamping collet (9) which, in its operation position, penetrates the opening (3) and is self expanding behind the opening (3), and which, by means of an axial retraction opposite to the direction of insertion, is also radially compressible and thus exerts a clamping force on the elongated body. To effect this motion of retraction, a sheath (11) is provided, which is frictionally connected or force-fit connected with a locking ring (15), which, by rotational movement of the sheath (11) itself turns accordingly and, by its own threading, is axially displaced until the ring (15) abuts the wall (4) on the opening rim (12) and remains there in a stop position. In this way, the respective thickness of the wall (4) is accommodated. A further turning of the sheath (11) using the frictional coupling with the locking ring (15) is possible, so that the clamping collet (9), following the attainment of the stop position of the locking ring (15), can being tensioning or be further tensioned because of corresponding axial dimensioning of the threading. For the user, it is principally necessary, to turn the sheath (11) in a uniform direction, in order to activate an adjustment of the connection fitting to the thickness of the wall and to firmly secure the elongated body (2) with the clamping collet. s mounted about the bore of the coupling ring. 3. The apparatus of claim 1 wherein the cooperative structural configuration between the coupling ring and the second mating connector shell comprises an outwardly projecting flange extending about the forward end of the second mating connector shell and a reduced diameter collar having an annular surface for contacting said flange. 4. The apparatus of claim 1 further comprising a wave washer backing the gasket to provide resilience between the first and second mating connector shells when the connectors are joined in the bayonet-type coupling. 5. The apparatus of claim 1 wherein each of the spiral grooves in the first mating connector shell terminates in a recessed portion, offset to the side of the groove, to retain the corresponding retaining member of the coupling ring when the connectors are coupled together. 6. The apparatus of claim 5 further including a resilient wave washer backing up the gasket to provide sufficient resilience in the coupling for the retaining members of the coupling ring to slide into and out of the recessed portions of the corresponding spiral grooves during coupling and uncoupling of the bayonet-type arrangement. 7. The apparatus of claim 1 wherein the second mating connector shell includes an outwardly projecting flange extending about the shell in a position remote from its forward end, and the coupling nut support element includes an inwardly extending shoulder portion positioned to bear against the outwardly projecting flange of the second mating connector shell when the coupling nut support element is tightened into final position. 8. The apparatus of claim 7 wherein the rearward portion of the coupling ring comprises an externally threaded collar and the forward portion of the coupling nut support element has internal threads matching the external threads of the coupling ring collar, said threaded portions, when tightly threaded together, serving to propel the second mating connector shell toward the first mating connector shell to increase the compression of the gasket and to rigidize the overall bayonet-type coupling. 9. The apparatus of claim 8 wherein the outwardly projecting flange of the second mating connector shell has an external thread which matches the internal thread of the forward portion of the coupling nut support element in order that the coupling nut support element may be installed and removed from the second mating connector shell. 10. The apparatus of claim 7 wherein the coupling nut support element and the second mating connector shell are configured to removably retain the coupling nut support element on the second mating connector shell while providing freedom to the two parts to rotate and move axially relative to one another. 11. The apparatus of claim 10 whereby the coupling nut support element is removable from retention by the second mating connector shell by rotating the coupling nut support element in a direction to unthread it past the threaded flange of the second mating connector shell. 12. In a combination of bayonet-type coupling apparatus comprising first and second connectors having corresponding connector shells associated therewith, the first connector shell having a plurality of spiral grooves for receiving inwardly projecting pins of a coupling ring rotatably mounted on said second connector shell for drawing the two connectors into a coupling with each other by rotating the coupling ring to move said pins along said grooves, and a circular gasket mounted on one connector shell in a position to bear against a sealing surface on the other connector shell to establish a compression seal for the joint between the pair of mating connectors, the compressive force on the gasket being determined by the retention of said coupling ring pins in said bayonet-type coupling, the improvement comprising: a coupling nut support element surrounding and engaging portions of said coupling ring and said second connector s
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