Device for controlling operation of gas jack - comprises body with axial bore and transverse oblong bore, shaft with machined part having spherical portion and two cylindrical portions

摘要

The control device (10) is mounted on the end of the stem (3a) of a gas jack. The jack comprises a locking system normally holding the stem in a given position; the system being actioned by a sliding control stem (4) which exceeds the initial stem. The body (11) of the control device has an axial bore (13) and a transverse oblong bore (14), and also a machined shaft (12) having a spherical portion (12a) and two cylindrical portions (12b). The spherical portion is supported on the shaft, and the cylindrical portions are engaged and held in a section (14b) in the bore. USE - For controlling gas jack equipped with a shaft.