Abstract: A snap hook with spring may include a main body having a first generally curved shape section and a second generally straight shape section. The generally curved section may include a hole, and the generally straight section may include a cavity. The snap hook with spring may also include a sliding pin and a spring acting on said sliding pin. The snap hook with spring may also be characterized in that a slide formed in the main body may have various geometrical shapes leading to a path, where the path includes sections that may be linear, rotational, curved, angular, or any combination thereof. The sliding pin may include a lever that runs the path of the slide and the path of the slide determines the type of movement of the sliding pin, in such a way that the path of the slide is never limited to a single direction.

Abstract: A hoist ring includes a ring having a base portion and a ring portion connected to the base portion, a bolt, a retainer having a second locking portion and two arms, and a spring. The bolt coupled to the base portion has a head and a body connected to the head. The head has a first locking portion. The body is adapted to fix the ring to an object. The second locking portion is connected to the arms, and is adapted to be engaged with the first locking portion. The arms are spaced from each other by a distance, and are adapted to extend to two lateral sides of the ring portion. The arms are each respectively provided with an abutting surface. Two ends of the spring respectively fit around the arms. An inner edge of the ends of the spring respectively abuts against two abutting surfaces of the arms.

Abstract: A hook for a hoist system includes a hook having a hook body and a loading portion, a latch movably connected to the hook having an open position wherein the hook is open and a closed position wherein the hook is closed, a first sensor operable to sense a position of the latch and to generate a signal responsive to the latch being in the closed position, a lock movably connected to the hook and having a locked position wherein movement of the latch from the closed position is obstructed by the lock and an unlocked position wherein movement of the latch from the closed position is unobstructed by the lock, and, a second sensor operable to sense a position of the lock and to generate a signal responsive to the lock being in the locked position.

Abstract: A safety catch connector includes a catch member, first and second sleeves at two ends of the catch member to define a notch, a locking shaft slidably coupled at the first and second sleeves to selectively open and close the notch, a first controlling unit provided at the first sleeve to releasably lock up the locking shaft at the first sleeve, and a second controlling unit provided at the locking shaft to releasably lock up the locking shaft at the first sleeve, such that the first and second controlling units serves as two safety mechanisms to avoid an unintentional unlocking operation of the locking shaft. The locking shaft is quickly slid to open and close the notch for easy accessing.

Abstract: A connector structured to removably attach an object to a support platform including an elongated, rigid material base having a locking assembly disposed thereon and including a retainer and a gripping member. The gripping member is movably connected to the retainer and disposable relative to the base into both a locking orientation and a release orientation, wherein the locking orientation comprises a predetermined portion of the gripping member disposed in gripping, at least partially penetrating relation to an exposed surface of a corresponding part of either the support platform or the supported object. An activating member is connected to the gripping member and movable therewith, wherein positioning force exerted on the activating member will selectively dispose the gripping member between the locking and release orientations.

Abstract: Easily-manufacturable connector capable of prevention of accidental opening of mouth of hook caused by movement of opening-closing rod in opening direction. Connector main body has paired retaining holes on both sides of hook base part. Misoperation-preventive member has its opposite ends formed into paired inwardly-bent engagement portions engageable in paired retaining holes, and has its midway part configured to be movable from front end of hook toward opening-operation body and vice versa in in-contact/out-of-contact relation. Paired engagement portions (paired retaining holes) are axially staggered so that midway part of misoperation-preventive member is urged from front end of hook toward opening-operation body. Connector main body has stopper for bringing midway part of misoperation-preventive member to stop in a position close to opening-operation body against urgence on misoperation-preventive member.

Abstract: A belaying system includes a fastening component suspended on a securing means. The fastening component secures a load connected to the fastening component. The fastening component includes a bar. The fastening component and the bar hold the securing means. When unlocked, the bar rotates to enable the fastening component to be removed from the securing means. When locked, the bar cannot rotate and the fastening component cannot be removed from the securing means. The bar is unlocked with an unlocking element. The bar is locked with a locking element. The unlocking element and the locking element are fastened directly or indirectly by and/or on the securing means separately from one another. When the unlocking element is fastened to the fastening component the bar is unlocked and the fastening component remains suspended from the unlocking element. When the locking element is fastened to the fastening component the unlocking element is unfastened.

Abstract: In a hook fastener having a sliding closure for closing the mouth of the hook, a keeper prevents opening of the closure. The hook fastener includes a body having a base portion and a hook portion extending from an end of the base portion to define a gap between the hook and the base portion. An opening formed in the base portion has an elongate mouth intersecting an external face on the base portion. The closure includes a shaft part and a grip part, the shaft part received in the opening, the grip part protruding from the shaft part through the mouth for manipulation by a user. A spring urges the closure such that the shaft part extends out of the opening into the gap. The keeper is received to rotate upon the external face, being located between the grip part and abutment on the body. A slot in the keeper extends parallel to the mouth, the keeper preventing the user retracting the closure from the gap, except when the slot is rotated so as to be angularly aligned with the mouth.

Abstract: A hook fastener having a closure for closing a hook mouth. A keeper selectively prevents opening of the closure and includes a body having a base and a hook extending from the base to define a gap. The base has an external face and an opening with a mouth intersecting the external face. The closure includes a shaft and a grip, the grip protruding from the shaft through the mouth. A spring urges the closure such that the shaft may selectively extend out of the opening. The keeper is received to rotate upon the external face. A slot in the keeper extends parallel to the mouth, the keeper selectively preventing the user from retracting the closure from the gap.

Abstract: A chain grab hook for use with one hand, having a spring-loaded rotatable lock ball protruding from the shank of the hook, the lock ball movable along an axis aligned with the apex of a nodule on the tip portion of the hook, the nodule defining entrance and exit ramped slopes presenting a chain disengagement force exceeding a chain engagement force.

Abstract: A snap hook has a body, a sliding latch, a resilient element, a swivel and a connector. The body has a shaft and a hook. The shaft is tubular and has an upper end and a lower end. The hook is connected to and extends from the upper end of the shaft. A guide slot is defined longitudinally the shaft and communicates with the lower end of the shaft. Accordingly, no sharp edges are formed near the sliding latch so a person opening the snap hook will not be injured. In addition, assembling the snap hook is easy.

Abstract: A coupling member (20) includes cylindrical body (22) and hook (24). Sleeve (70) slides over the outer surface of body (22) between and open position (as shown) and a closed position and carries pin (50) which is guided by slots (60, 62) formed in body (22). Closure shaft (30) is mounted within body (22) and biased by spring (42) towards a closed position wherein end (32) of shaft (30) is received within recess (44) formed in portion (26) of hook (24). Pin (50) is slidably mounted in transverse bore (56) of shaft (30). Spring (58) biases pin head (52) towards shaft (30) so that when shaft (30) is in the closed position, pin head (52) is seated in recess (66) and shaft (30) is thereby locked in the closed position. Coupling member (20) can be used for securing lines in mountaineering or cave diving.

Abstract: A shortening hook for strands of round link chain. A safety body is arranged in the mouth of the hook. The safety body is moveable by hand against the tension of a reset spring from the area of the mouth of the hook transversely to the trajectory motion of the hook. An operating link projects into the mouth of the hook and is arranged at the end section of the safety body. This operating link can be pressed back when the hook shaft takes hold so that the safety body frees up the mouth area.