Compressed air nail machine

Details Compressed air nail machine Compressed air nail machine

1990-11-14

1992-03-03

Yost, Frank T.

Elongated-member-driving apparatus

With means to cement work or member

227130, 227156, B27F 702

Patent

active

050925083

ABSTRACT:
An improved compressed air nail machine is disclosed incorporating a plastering device for automatically filling the hole above each nail head after it is placed into the wood. The plastering device adapts to a conventional nail gun and comprises a piston and cylinder pair which utilizes the exhaust air originating from the nail gun. The reciprocating motion of the piston and cylinder causes a quantity of wax feed into an orifice located in the side wall of the cylinder to be expelled through an orifice in the bottom of cylinder and into the nail hole. The recuperation of the piston in the cylinder is due to the fact that in the lateral surface of said cylinder exists an orifice through which air is expelled once this orifice is surpassed by the piston, so that by means of an internal spring, the initial position of the piston is achieved. The wax is shaped as a bar and a pre-determined portion is utilized in each plastering action and is able to be regulated by the change of the piston route, the diameter of the exit orifice, the bulk of the same, etc. The device is interchangeable so that the most convenient one can be utilized in each case, according to the type and size of the nails that are utilized.

REFERENCES:
patent: 3386639 (1968-06-01), Unger
patent: 3595460 (1971-07-01), Pitkin
patent: 3847321 (1974-11-01), Charlez
patent: 4146339 (1979-03-01), Fleming et al.

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