An expansion bolt and pivot and swivel mechanism therefor. The expansion bolt may have a base and a plurality of radially spreadable elongate elastic members cantileveredly projecting from the base at respective points of joinder to the base and terminating in respective spoons at respective points of joinder of the spoons, wherein the elongate elastic members have respective radially defined thicknesses at the points of joinder to the base that are substantially less than the corresponding thicknesses of the base, and respective radially defined thicknesses at the points of joinder of the spoons that are substantially less than the corresponding thicknesses of the spoons. The pivot and swivel mechanism may have a ring element that includes two spaced apart leg members having foot portions that turn to extend toward each other, the foot portions having respective, spaced-apart relatively enlarged ends; a swivel housing element having an open end for receiving and at least partially containing the ends of the foot portions so that the ring element can be substantially freely rotated about a pivot axis; and a capping element adapted for interlocking with the open end of the swivel housing element, the capping element having a bottom surface portion of radial symmetry about a swivel axis that is distinct from the pivot axis.

A ring release system is configured to releasably couple a parachute to a payload. The ring release system may comprise a series of release rings affixed to a riser. At least one release ring comprises a removable pin, permitting installation of the release ring after associated components have been stitched together, improving the reliability and manufacturability of the ring release system.

A cable hook for fixing a rebound mat to a trampoline frame by means of two elastic elements and at least one flexible strap element has a housing with four receivers, wherein each elastic element has two free ends, each of which has a clamping element enlarging the periphery of the elastic element. A clamping element is inserted in each receiver. The cable hook has a cable hook body which is closed in the peripheral direction transversely to the fixing direction, wherein in each case two receivers are separated centrally by a receiving cavity in the cable hook body through which a clamping element can be passed. The cable hook has two terminating pieces which can each be inserted in a respective receiving cavity, and each has a cover rounding pointing away from the cable hook housing and oriented towards each other.

A cable hook for fixing a rebound mat to a trampoline frame by means of two elastic elements and at least one flexible strap element has a housing with four receivers, wherein each elastic element has two free ends, each of which has a clamping element enlarging the periphery of the elastic element. A clamping element is inserted in each receiver. The cable hook has a cable hook body which is closed in the peripheral direction transversely to the fixing direction, wherein in each case two receivers are separated centrally by a receiving cavity in the cable hook body through which a clamping element can be passed. The cable hook has two terminating pieces which can each be inserted in a respective receiving cavity, and each has a cover rounding pointing away from the cable hook housing and oriented towards each other.

A ring release system is configured to releasably couple a parachute to a payload. The ring release system may comprise a series of release rings affixed to a riser. At least one release ring comprises a removable pin, permitting installation of the release ring after associated components have been stitched together, improving the reliability and manufacturability of the ring release system.

The present invention relates to a quick-fit connection assembly not affected by accidental rotations during the installation due to the presence of an innovative connecting element (1) which has, in the threaded external region, one or more sliding tracks (3) suitable for engaging with the nosepiece (91) of a corresponding washer (9).

Universal clamps, assemblies, devices, apparatus and methods having a holder having a threaded rod extending therefrom with an outer end, a clamp member with a U shaped member extending to one side, a through hole for receiving the outer end of the threaded rod, wherein the U shaped member can be fit about a pipe and the holder can be attached to the pipe by rotating the holder so that the outer end of the threaded rod rests against a slide putting pressure on a side of the pipe. The components can be formed from marine grade UV (ultraviolet) resistant polymer material. The holders can include a single loop and a portable phone support.

Two rigid fasteners each with integrally coupled magnets of opposing polarity on an outer surface thereon. The rigid fasteners also each have a spring-loaded displaceable clip member rotatably coupled thereto, wherein the clip member is operably configured to open and close to provide access to an aperture defined by the rigid fasteners. The fasteners are coupled together with a tether member also of a rigid material, wherein the fasteners are configured to selectively couple and uncouple together with the magnets thereon.

An expansion bolt and pivot and swivel mechanism therefor. The expansion bolt may have a base and a plurality of radially spreadable elongate elastic members cantileveredly projecting from the base at respective points of joinder to the base and terminating in respective spoons at respective points of joinder of the spoons, wherein the elongate elastic members have respective radially defined thicknesses at the points of joinder to the base that are substantially less than the corresponding thicknesses of the base, and respective radially defined thicknesses at the points of joinder of the spoons that are substantially less than the corresponding thicknesses of the spoons. The pivot and swivel mechanism may have a ring element that includes two spaced apart leg members having foot portions that turn to extend toward each other, the foot portions having respective, spaced-apart relatively enlarged ends; a swivel housing element having an open end for receiving and at least partially containing the ends of the foot portions so that the ring element can be substantially freely rotated about a pivot axis; and a capping element adapted for interlocking with the open end of the swivel housing element, the capping element having a bottom surface portion of radial symmetry about a swivel axis that is distinct from the pivot axis.

The present invention provides a means of easily attaching and detaching a member that reinforces an envelope of a balloon to and from the envelope. Balloon 1 according to an embodiment of the present invention comprises Inner Member 121 and Outer Member 123. Each of Inner Member 121 and Outer Member 123 is a disk-shaped member made of a plastic, a light metal, or other lightweight material. Inner Member 121 and Outer Member 123 are attached to Envelope 11 by tightening Bolts 125 and Nuts 126, with Envelope 11 therebetween. A donut-shaped Rubber Seal 122 is located on the surface of Inner Member 121 in contact with Envelope 11, and a donut-shaped Rubber Seal 124 is located on the surface of Outer Member 123 in contact with Envelope 11. Rubber Seal 122 and Rubber Seal 124 are pressed tightly against Envelope 11 as Bolts 125 and Nuts 126 are tightened, and Holes H2 provided in Envelope 11 to accommodate Bolts 125 are sealed.