Abstract: A lever mechanism for converting a motion from linear to rotary includes a guiding bar, a slider which slides along the guiding bar, and a lever. The lever includes a cylindrical element and a pair of slot links which are fixed frontally on the cylindrical element and between which the slider is arranged. The slider includes at least two bushes for supporting a pivot which is adapted to act on the slot links. The bushes are mutually separated by a space to accommodate a reserve of lubricant.
Type:
Grant
Filed:
May 29, 2015
Date of Patent:
May 19, 2020
Assignee:
AIR TORQUE S.P.A.
Inventors:
Antonio Marinoni, Santo Rota, Ignazio Paris
Abstract: A fluid-actuated valve control actuator, comprising a body in which two mutually opposite pistons are accommodated, each piston being provided with a rack and being adapted to engage a shaft for actuating a stem of a valve, wherein an end of the actuation shaft that lies opposite to an end adapted to engage the stem of valve is octagonal for engagement with an indicator for indicating the opening/closure of the valve.
Type:
Grant
Filed:
September 24, 1999
Date of Patent:
January 16, 2001
Assignee:
Air Torque S.p.A.
Inventors:
Antonio Marinoni, Ignazio Paris, Santo Rota, Libero Trapletti