Adjustable connectors disclosed herein are adapted to connect webbing, e.g., urethane coated webbing, to a buckle. The adjustable connector includes a baseplate, a tongue at a front end of the baseplate, a webbing aperture within the baseplate, and first and second walls extending perpendicularly from the baseplate. In certain embodiments, the adjustable connector includes a rotatable lock bar including a central portion having an outer surface and first and second tabs. In certain embodiments, a front edge of the webbing aperture comprises an arced front edge extending between side edges of the webbing aperture such that a distance between a center of the arced front edge of the webbing aperture and a back edge of the webbing aperture is greater than a respective distance between each of the ends of the arced front edge and the back edge of the webbing aperture.

A mechanism for adjusting the length of two straps making up a strength trainer of the type having a hand or foothold connected to a first strap and a second anchored strap. The mechanism has a rectangular ring mounted to move through a cross member engaged with a housing by a spring extended between the ring and the housing. A first strap is looped around a first member of the ring, while the second strap passes thought the ring below an opposite member and wrapping the cross member to pass through the ring a second time after passing between the opposite member of the ring and the second member so as to engage two high friction surfaces on the cross member and one on the ring. Adjustment is by rotating the housing and ring to be perpendicular to the load to unload the second strap from the high friction surfaces.

A webbing length adjustment device has an outer shell, an adjustment assembly, and an elastic member. The adjustment assembly is disposed in and is moveable relative to the outer shell, and has an operating member having a lateral pressing plate portion and a sliding member moving relative to the operating member. The lateral pressing plate portion is formed on the operating member, is located above the outer shell, and is located beside the second through hole for giving more areas to exert force easily and operate conveniently. The lateral pressing plate portion is located at an outer side of a first webbing. There is no interference between the first webbing and user's hand. The elastic member is disposed in the outer shell, and is connected to the outer shell and the operating member for giving a restoring force to the operating member. The outer shell is hard to damage.

A tool belt (1) comprises a belt strap (2) and a belt buckle (3), wherein the belt buckle (3) comprises a male (5) and a female part (7). The male part (5) comprises a latch plate (27) and the female part (7) comprises a female interface (9) for receiving the latch plate (27). The latch plate (27) is attached to a first end (2a) of the belt strap (2) and the female part (7) is attached to a second end (2b) of the belt strap (2), and the female part (7) comprises a locking mechanism (15) adapted for connection and disconnection of the latch plate (27) to or from the female interface (9), and a length adjustment mechanism (17) adapted for adjustment of the length of the belt strap (2).

A buffer device has a plate, a moveable ring, and an elastic member. The plate has an insertion hole formed through the plate, a connecting portion, and a retaining hole. The connecting portion and the retaining hole are formed on the plate and are located above the insertion hole of the plate. The moveable ring is moveably mounted out of a front side of the plate and has a slot. The slot is formed through the moveable ring. The elastic member is connected with the connecting portion of the plate and the moveable ring. A top section of the elastic member is wound on the connecting portion of the plate. A bottom section of the elastic member is wound on a top section of the moveable ring and passes through the slot of the moveable ring.

A harness system comprises one or more harness assemblies. Each harness assembly comprises a flexible restraint formed of a coated fabric. An adjuster is provided to adjust an effective length of the flexible restraint. The adjuster comprises a frame, a restraint guide, and a cam.

A closure device for closing and locking a restraint system, such as a restraint system for an amusement vehicle, includes a blocking device, and a locking device having a first connecting member and a second connecting member. The locking device and the blocking device interact in such a way that, in at least a first position of the locking device relative to the blocking device, the first connecting member is releasable coupled to the second connecting member. Furthermore, in at least a second position of the locking device relative to the blocking device, the blocking device prevents release of the first connecting member from the second connecting member. In some examples, the second position includes the locking device being inserted at least partially into the blocking device.

A restrain adjustment mechanism (100) has a buckle (122) with a rotatable dial (302) which is connected by a gear to a pair of strap adjusters (118, 120). Rotation of the dial 302 adjusts the straps (102, 104). The adjusters (118, 120) are removably mounted to the buckle (122).

A webbing adjustment device has a cover, a frame, a slider, and a guiding ring member. The frame is up and down moveably disposed in the cover. The slider is located in the cover, is moveably disposed in a body of the frame, and has a through slot formed through the slider. Webbing inserted through the through slot is locked or unlocked by a relative motion between the frame and the slider. The guiding ring member is detachably disposed on the cover, and has a guiding ring and a positioning element connected to the guiding ring. The webbing is inserted through the guiding ring. The cover is detachably hung on the guiding ring. The webbing adjustment device can lock the webbing automatically by the tension of the webbing.

A closure device for releasably connecting two parts with each other includes a first closure member having a rigid first locking protrusion and a second closure member which is attachable to the first closure member and in a closed position is held on the first closure member. The second closure member has a rigid second locking protrusion. The second locking protrusion can be brought into engagement with the first locking protrusion in an engagement direction and in the closed position engages the first locking protrusion in a positive locking manner. The first closure member includes a first magnetic member and the second closure member includes a second magnetic member, the first magnetic member and the second magnetic member being constituted to magnetically attract each other when the second closure member is attached to the first closure member for closing the closure device.