Inventor: Timo Kiikka

Address: Tampere, FI
No. of patents: 4
Last patent issue date: 02/13/2001

Number	Title	Issue Date
6186246	Method for adjusting drilling of drilling machine and rock drill A method for adjusting percussion pressure and a drilling machine. In the method the percussion power of a drilling machine is adjusted by moving a shank in the longitudinal direction of the drilling machine forwards when a smaller percussion power is to ...	02/13/2001
6112832	Method and apparatus for controlling a rock drill on the basis of sensed pressure pulses During the drilling of rock by a rock drill bit, percussive impacts are applied to the drill bit by a reciprocating piston which impacts a shank that transmits the impacts to the drill bit. Secondary pistons are provided to push the shank forwardly in res...	09/05/2000
4934465	Arrangement for the axial bearing of a drilling machine The invention relates to an arrangement for the axial bearing of the drilling machine. The drilling machine thereby comprises a body (6), a percussion device (1) fitted in the body, and a rotation bushing (3) functioning as a rotating means of a shank (2)...	06/19/1990
4671366	Method for optimizing rock drilling A method for optimizing percussive drilling, especially rock drilling, in which method the operation of the drilling device is adjusted for a desired drilling result to be obtained. According to the invention, a stress wave created in a drill rod as a res...	06/09/1987

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