Furthermore, according to Patent Document 2 described above, two cylinder units are placed on {HEAD ~ a lateral side} of the mounting bracket unit to accept insertion of {TAIL ~ the hydraulic control valves}, and the cylinder units will disadvantageously deform with vertical movements of the mounting bracket unit, resulting in reduced durability of the hydraulic control valves 
Furthermore , according to Patent Document 2 described above , two cylinder units are placed on { HEAD ~ a lateral side } of the mounting bracket unit to accept insertion of { TAIL ~ the hydraulic control valves } , and the cylinder units will disadvantageously deform with vertical movements of the mounting bracket unit , resulting in reduced durability of the hydraulic control valves
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH