Abstract: According to the invention a releasable mounting system for retaining a protective cover (i.e., security grill) over an opening (i.e., window or door) in a wall of a structure is provided. The releasable system of the present invention includes a latch pin adapted to be rigidly connected to the protective cover. A housing assembly for accommodating the release means and for receiving the latch pin is also provided. The release means provided by the instant invention are pivotally mounted inside the housing assembly and include a latch member having a lever segment and a catch segment. Further provided are separation biasing means that facilitate movement of the latch member from a release position to a cocked position. Invention separation biasing means additionally facilitate movement of the latch pin away from the housing assembly when the latch member is in a release position. Also provided are remote actuating means that are connected to the latch member.

Abstract: In accordance with the present invention, there is provided a needle guard assembly for a hypodermic syringe or other fluid transfer device that offers optimal protection for preventing accidental puncture by a needle after it has been used, maintaining the sterility of a needle prior to use, indicating prior use, preventing reuse, and facilitating safe disposal of a needle after use/injection.

Abstract: According to the invention a hypodermic syringe includes a needle guard that prevents accidental puncture by the needle. The guard includes a fixed leaf that is attached to the needle hub and a hinged leaf that is hingedly attached to the fixed leaf. The hinged leaf is moveable from a shielding position wherein shield the needle tip to a retracted position wherein the needle tip is exposed for insertion. A spring biases the hinged leaf in the shielding position. A trigger attached to the hinged leaf is activated by the user to move the hinged leaf the retracted position.

Abstract: A releasable mount for window grilles and the like. A wall-mounted portion is attached to a wall near the window and includes a fixed housing with a latch member having an opening therethrough and a trigger pin mounted for movement from a cocked, extended position to a release position. A grille-mounted portion is rigidly attached to the grille and includes a latch pin having a cavity with a catch assembly inserted into the fixed housing and partly through the opening in the latch member. The catch assembly expands to a catch position upon contact of the latch pin with the trigger pin. Then the catch assembly catches on the latch member and prevents the latch pin from being withdrawn from the fixed housing. The trigger pin remains biased in the cocked position, and keeps the catch assembly in its expanded position. However, when the trigger pin is moved to the release position, the catch assembly may retract and enable the latch pin to be withdrawn and separate from the fixed housing.