Elastic band harpoon projecting device

Claim 2

An underwater gun including a telescope to be immersed in water at its front end for sighting fish in the water and a harpoon to be released from its cocked position from about the surface of water so as to capture the fish comprising a harpoon, holding means having a gun grip, a telescope including an objective lens at its front end and an eyepiece at its rear end and wherein said holding means engages and supports the telescope only at a portion proximate to its rear end, a harpoon guiding member extending along and affixed to the under face of the telescope and parallel therewith, propelling means for projecting a harpoon and having one end engaged and supported by the front end portion of the telescope and the other end engageable in a rear portion of the harpoon to urge the harpoon forward, and discharge means provided in the gun grip for latching and releasing a cocked harpoon.

Claim 3

The underwater gun as set forth in claim 1 further including a safety means provided in the rear of the discharge means to prevent the discharge means from operating and wherein the discharge means is operable only after the safety means has been operated.

Claim 4

The underwater gun as set forth in claim 1 wherein the rear end of the telescope is covered with a hood made of elastic material and formed with a bellows means which absorbs an impact produced by the counter action of the propelling means.

Claim 5

The underwater gun as set forth in claim 1 further including an auxilliary grip means for grasping by a user, said grip means being positioned in front of the gun grip and including a fishing reel having a line wound thereon, and the line being connected at one end to the rear end of the harpoon.

Claim 6

The underwater gun as set forth in claim 2 wherein the discharge means comprises a first lever disposed in the rear of a harpoon guide inlet of the gun barrel and having a front projection for latching the harpoon, an intermediate projection for returning said first lever to its initial position after it is moved and a rear projection defined by a stepped portion, the first lever being pivotally movable, a second lever pivotally disposed in the rear of the first lever and having upper and lower stepped portions in its front part for engagement with the rear projection of the first lever and upper and lower stepped portions in its rear part for engagement with a third lever, the second lever being partially exposed from an opening in the gun grip for receiving the fingers, and a spring extending between the first and second levers to urge the same toward each other, and wherein said safety means comprises the third level being pivotally mounted at an upper portion or rear wall of the gun grip behind the second lever and always urged at its front latch end into engagement with the upper stepped portion in the rear part of the second lever, the third lever having a rear end knob exposed from the gun grip.