The hydraulic control unit (H) has seat valve (S) which is provided between pressure line (1) and working duct (32) of tipper cylinder (Z), attached with pressure source (P). The pilot-operated check valve (R) is provided in the unlocking terminals (17,17'...

The present invention relates to a hydraulic arrangement which comprises a double-acting differential cylinder (210, 310) having a bottom side chamber (211, 311) and a rod side chamber (212, 312), and a hydraulic circuit (220, 320) connecting the bottom si...

A control valve device (16) comprises two direction control valves (20) and (21). The direction control valve (20) includes an expansion side variable throttle portion (20C) and a contraction side variable throttle portion (20D). The direction control valv...

In case a burden is discharged from a vessel (3), the vessel (3) is raised obliquely backward with respect to a vehicle body (2) by a hoist cylinder (10). However, when discharging work is stopped on the way, the vessel (3) is temporarily lowered to a posi...

The invention concerns a valve for controlling oil flow to a single sided cylinder having a single hydraulic connection comprising a valve housing (36) with a cylindrical wall enclosing a valve chamber (23), the cylindrical wall has a pump connection (4,46...

A pneumatic control device (1) comprising an inlet (3) for compressed air, connected by valves (13,14,15), to a PTO outlet (5) for air destined to engage a power take off (6) and at least one operating outlet (7,8) for air destined to control an operating ...

The column (1) is assembled of several telescopic segments (3, 5, 7, 9, 11) and is normally stored laterally beside the frame of the loading area during transport. The joint element (10) attached to the tipper is provided with a surrounding seal positioned...