| 摘要 |
A device which prevents the screw or hydraulic or similar adjustable legs of a caravan or trailer from being raised thus preventing the caravan or trailer from being moved. The device has two parts inner 'a' and outer 'b' in the form of channel sections which slide one within the other. The device is fitted over the appropriate portion 'c' of screwthread or hydraulic piston rod associated with the retraction of the leg and extended to occupy the full available length. A padlock 'd' or similar means is passed through a set of aligned holes to secure the inner and outer portions. <IMAGE> |
