A locking pin assembly having a body including a wall defining an interior space and having at least one aperture therethrough for allowing fluid communication between the interior space and an exterior environment. A barrel defines a bore and has an outer wall with external threads. A pin travels longitudinally within the interior space of the body and the bore of the barrel. A spring actuated assembly maintains an end of the pin in an extended position relative to an end of the barrel when no force is applied to the pin and allows the pin to retract relative to the end of the barrel when a force is applied to the pin.

A system and method for a quick release of a second object from a first object, e.g., quick release of hurricane panels (second object) from the inside of a habitable structure (first object). A stepped quick release bolt assembly or a dual quick release car assembly may be employed. In the preferred embodiment, a pin passing through a cross bored hole in a stepped bolt disposed in a receiving structure attached to a first object is releasable in order to disconnect the second object from the first object.

A locking pin assembly having a body including a wall defining an interior space and having at least one aperture therethrough for allowing fluid communication between the interior space and an exterior environment. A barrel defines a bore and has an outer wall with external threads. A pin travels longitudinally within the interior space of the body and the bore of the barrel. A spring actuated assembly maintains an end of the pin in an extended position relative to an end of the barrel when no force is applied to the pin and allows the pin to retract relative to the end of the barrel when a force is applied to the pin.

A coupler or connector for joining bars, for example reinforcing bars, including an elongate rod member adapted to be inserted into a tubular sleeve member. The rod and sleeve members each have one or more transverse holes which align when the rod member is inserted into the sleeve member. In operational use, the rod and sleeve members are attached to the free ends of the bars to be connected. One or more transverse pins are then driven into the holes which are aligned in order to lock the rod and sleeve member together thereby connecting the bars. The pins can be spring loaded. There can be a plastic sleeve adapted to retain the pins in position. The plastic sleeve is slid off during assembly to allow the pins to engage the holes in the sleeve member(s).

The present invention relates to an adjustment device for exercise apparatuses, which comprises a flange (4), a coupling body (6) coupled to said flange (4) by means of a pressure bar (61d), adjustment protrusion (6e) and pressure pin (6g), a coupling ring (5) through which the coupling body (6) is passed, a vertical arm (8) connected to said coupling body (6) so as to be adjusted in the back and forth direction and rotationally, and a coupling arm (9) connected to said vertical arm (8).

A article of survival equipment for wear by the user comprising a weaved cord portion, a shackle, a tongue and a pin. The shackle is coupled to one end of the cord portion and further includes two apertures disposed at opposing ends of the shackle adapted to receive a pin. The tongue is coupled to the other end of the cord portion and is disposed between the ends of the shackle. The tongue further includes a plurality of apertures for receiving the pin. The pin extends substantially between the shackle apertures when inserted in the shackle and the tongue.

A connector comprises a base, a gate, and a locking mechanism. The base forms an opening. The gate is slidably operatively connected to the base and spans the opening. The locking member has an engaging position and a releasing position. The engaging position secures the gate to the base, and the releasing position allows the gate to be moved relative to the base.

A locking assembly can lock a workpiece. The workpiece includes a locking hole. The locking assembly includes a housing, a movable component, and an unlocking handle. The movable component includes a sleeve, a pin, and an unlocking cover. The sleeve is mounted on the housing. The pin is accommodated in the sleeve, and a portion of the pin protrudes from the housing and accommodated in the locking hole. The unlocking cover is fixed to the pin. The unlocking handle is disposed between the unlocking cover and the sleeve. The unlocking cover can be pulled from a first direction to move the pin out of the locking hole; or the unlocking handle can be pulled from a second direction intersecting with the first direction, and the unlocking handle can abut against the unlocking cover to drive the pin to move out of the locking hole.