39results about How to "Solve security deficiencies" patented technology

An operator cab 53 , which is mounted rotatable on the vehicle body 51 of a hydraulic mini-shovel 50 , comprises a cab box 1 , a door 2 , upper and lower link members 3 and 4 , a slide member 6 , a closed door lock 7 , an opened door lock 9 and a handle 13 . The cab box 1 has an internal cab room 1 a and an entrance 15 , which leads into the cab room 1 a. The door 2 closes and opens the entrance 15 when it is moved forward and rearward, respectively. The upper and lower link members 3 and 4 have fixed ends 3 a and 4 a, each of which is connected pivotally to the cab box 1 , and moving ends 3 b and 4 b, each of which is connected pivotally to the front end of the door 2 . The slide member 6 is connected pivotally to the rear end of the door 2 so as to swing freely and slides along a slide rail 5 , which is provided externally on the cab box 1 . The closed door lock 7 , which is provided at the front end of the door 2 , engages with a closed door striker 8 , which is provided on the cab box 1 , when the door 2 is closed. The opened door lock 9 , which is provided at the front end of the door 2 , engages with an opened door striker 10 , which is provided on the cab box 1 , when the door 2 is opened. The handle 13 is provided at the front end of the door 2 and interlocked with the closed door lock 7 and the opened door lock 9.