초록 ▼

A quick locking and unlocking coupling for connecting lengths of flexible, corrugated conduit in end to end registration, or for attaching conduit to an outlet, feeder or source of, for example, industrial, high volume vacuuming equipment, includes a cylindrical conduit joining member having half se

A quick locking and unlocking coupling for connecting lengths of flexible, corrugated conduit in end to end registration, or for attaching conduit to an outlet, feeder or source of, for example, industrial, high volume vacuuming equipment, includes a cylindrical conduit joining member having half sections that are insertable within the ends of the conduit lengths for aligning and supporting the conduit ends thereby establishing fluid, gas or material flow communication through the lengths of conduit. An annular center flange projects from the conduit joining member providing an abutment surface for the respective conduit ends, and a pair of pivotally joined arcuate arms are mounted to the flange and are movable from an unlocked position to a locked position encompassing the flange and the ends of the conduit thereby locking the coupling to the conduit ends and interconnecting the conduit lengths thus providing gas, fluid or material flow therethrough.

대표청구항 ▼

1. A coupling for joining ends of two corrugated conduit members, the conduit members each having corrugations with intermittent peaks and troughs, comprising:a cylindrical conduit joining member having two cylindrical half sections, an exterior annular flange extending midway between the half secti

1. A coupling for joining ends of two corrugated conduit members, the conduit members each having corrugations with intermittent peaks and troughs, comprising:a cylindrical conduit joining member having two cylindrical half sections, an exterior annular flange extending midway between the half sections, and a bore extending through the half sections;a pair of arcuate arms pivotally mounted to the conduit joining member for selective enclosure about the conduit joining member;a latching member pivotally secured to one of the arcuate arms for locking the arcuate arms to each other after the arms have been swung around the conduit joining member and for releasing the arms so that the arms can be disposed to an open position; andthe conduit joining member and the arcuate arms being in axial alignment when the arms are enclosed about the conduit joining member and locked to each other by the latching member;said arcuate arms being u-shaped in cross section, said cross section having a width sufficient to accommodate said exterior annular flange and at least one peak of each of the ends being joined such that an inner periphery of each of said arcuate arms lie in the trough of the corrugation forcing the ends of the two conduit members into sealed registration with said exterior annular flange so that the arcuate arms can engage and lock the two corrugated conduit members together the latching member including a body portion, a pair of opposed side portions that extend from the body portion, and a finger portion that laterally projects from the body portion. 2. The coupling of claim 1 wherein the latching member includes a locking bar pivotally mounted to the side portions and which can be pivoted for securement to the other arcuate arm after the arms have been swung around to enclose the conduit joining member and join the ends of two corrugated conduit members. 3. The coupling of claim 2 wherein the half sections of the conduit joining member define exterior bearing surfaces for supporting the ends of the two corrugated conduit members that are adjoined in end to end relationship by the coupling. 4. The coupling of claim 3 wherein at least one of the half sections can be axially extended in order to form an elongated cylindrical section capable of being inserted into the end of one corrugated conduit member thereby facilitating the alignment and securement of the corrugated conduit member to the coupling. 5. The coupling of claim 4 wherein the ends of adjacent lengths of corrugated conduit are placed on the bearing surfaces of the half sections and butted against the annular flange so that the two corrugated conduit members can be joined by the coupling in an end to end relationship. 6. The coupling of claim 5 wherein each arcuate arm includes a distal end that is pivotally secured to the conduit joining member. 7. The coupling of claim 6 further comprising a web portion that laterally extends from the annular flange in the same plane therewith for pivotally connecting the arcuate arms to the joining member. 8. A coupling device for joining corrugated conduit members in end to end relationship, each corrugated conduit member having alternating peaks and troughs, the coupling device comprising:a cylindrical conduit joining member having a pair of cylindrical half sections delineated by an exterior annular flange and an inner bore coequal in axial extension with the half sections;each half section of the conduit joining member capable of being inserted within the ends of adjacently positioned corrugated conduit members,each half section further including an external bearing surface for supporting the two ends of the corrugated conduit members that are mounted on to the conduit joining member in end to end relationship; anda latching mechanism pivotally mounted to the conduit joining member and capable of being swung about the ends of the adjacently positioned corrugated conduit members for locking on the ends of the corrugated cond uit members and joining both corrugated conduit members in end to end relationship after the respective ends of the corrugated conduit have been aligned with and placed on the half sections of the conduit joining member, said latching mechanism including a pair of arcuate arms, said arcuate arms being u-shaped in cross section, said cross section having a width sufficient to accommodate said exterior annular flange and at least one peak of each of the ends being joined such that an inner periphery of each of said arcuate arms lie in the trough of the corrugation forcing the ends of the two conduit members into sealed registration with said exterior annular flange so that the arcuate arms can engage and lock the two corrugated conduit members together, “a latching member pivotally secured to one of said arcuate arms” said latching member including a body portion, a pair of opposed side portions that extend from said body portion, and a finger portion that laterally projects from said body portion. 9. The coupling device of claim 8 wherein the latching mechanism can be swung around the ends of adjacently positioned corrugated conduit members for locking the ends of the conduit members to each other and can be swung away from the ends of the corrugated conduit members for removing the corrugated conduit members from the coupling device. 10. The coupling device of claim 9 wherein at least one of the half sections can be axially extended thereby forming an elongated cylinder for providing a larger bearing surface in order to support and align the ends of the corrugated conduit members when placed thereon.