A cross bow pistol is disclosed having a release mechanism comprising a wheel having pairs of notches spaced equidistantly around its periphery. One of each pair of notches is adapted to receive the bow string and its associated notch is adapted to receive a trigger sear. Each sear notch also is engaged by a safety hook adjacent the bow string notch at the top of the release wheel. There is also disclosed an arrow holder of resilient deformable material at the front end of the cross bow which ha...

An applicator for dispensing a first and second component of a biological adhesive, such as fibrin glue. At least one of said components may contain a suspension of fibrin microbeads (FMB) or a suspension of cells. The present invention uses a single supply of pressurized gas to force the components from the applicator using positive fluid pressure and to atomize them into a convergent spray. Another embodiment of the present invention also provides for the endoscopic application of the biologic...

A firearm support includes a cylinder member which provides support without hindering the range of fire of a rifle or a pistol. The cylinder member is disposed on telescopic elongated elements which are fictionally clamped by a clamp. The firearm support further includes a perpetually open strap. Additionally, the firearm support is noiselessly foldable with one hand.

A pistol-grip nozzle is provided that includes an inverted "L" shaped metal hollow handle formed of a transverse section and a longitudinal section. The transverse section defines a tenon at a bottom portion thereof. A trigger is disposed at an inside juncture of the transverse section and the longitudinal section and adapted for receiving a control device. The control device has a cambered top surface to correspond to the bottom of the transverse section, a groove defined at a center of the cam...

An auxiliary safety device intended for use as a magazine safety with a semi-automatic pistol of the Makarov design, said pistol being a blowback-operated, magazine-fed that is operable in double-action or single-action modes. The pistol's factory-original parts include a sear that pivots with respect to the pistol's frame about an axis that is defined by a transverse support post. The pistol has a sear cam that operates on the hammer in double-action operation, and operates on the sear in singl...

A palm top hot air gas spray pistol including a base case for accommodating gas and an upper cover containing a gas guide and ignition mechanism. The upper cover includes a nozzle formed by a spray tube and an outer cover. Ignition is controlled by pressing a push-button. A hot air tube is fitted onto the outer cover. The hot air tube has a front end portion of a smaller diameter, which is provided with a ceramic block resembling a honey-comb. The ceramic block is mounted between a front end of ...

A shooting rest comprising a pair of elongated rods having a preselected cross section and a duplex function clamp means for receiving the rods and holding the rods with the longitudinal axes thereof being in a plurality of preselected angular relationships. The clamp means further permits the holding of the rods at a plurality of preselected locations along the longitudinal axes of the rods.

A pistol type spear gun for use with a spear shaft comprising a body member having a handle portion adapted to be grasped in the hand of a user, with a trigger member positioned so as to be squeezed by the user on occasion. An elongate passage extends through the body member in approximately a right angle relationship with the handle portion, with this passage being adapted to receive a spear shaft. An elastic power band is attached to the body member and the base end of the spear shaft is able ...

A semi-automatic pistol has a slide which houses a barrel and a firing pin, and a frame which houses a trigger and a mechanism for releasing the firing pin. The mechanism includes a sear engageable with the firing pin and a cam actuator which is operable by the trigger. The cam actuator prevents movement of the sear to release the firing pin and also operates a detent to prevent movement of the firing pin, until the trigger has moved the cam actuator by a predetermined amount. The firing pin can...

A pistol-shaped pepper grinder having a grinding plate and a grinding block provided inside a pistol-shaped housing, the grinding plate able to be moved by a trigger to grind pepper stored in a chamber on the grinding plate and going through the space between the grinding plate and the grinding block, the grinding block being able to be moved down so as to adjust the minuteness of the ground papper, and ground pepper coming out of an exit provided in the right end of the housing.