A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention provides a pair of handcuffs which comprises a handcuffs body (1) and two U-shaped handcuffs rings (2). The ends of the two handcuffs rings (2) correspond to each other and can be sleeved with each other, the two ends of the handcuffs rings are respectively provided with a plurality of through holes (4) formed at intervals, a top plate (5) is arranged in the handcuffs body and provided with a width tooth surface (6), the tooth surface (6) is connected with a motor (3), and a plurality of through holes or grooves (7) are formed in the upper end face and lower end face of the top plate. A boss (8) with an inclined plane is arranged on one side inside the through holes or grooves (7), and lock pin bases (9) are arranged on respectively corresponding sides of the through holes or grooves (7). Due to the special structural design in combination with a photoelectric coded lock system, the pair of handcuffs is effectively prevented from being opened by a prisoner through articles such as an iron wire, a needle and a stick, the escape of the prisoner is avoided, and the safety is improved.
The invention provides a pair of handcuffs which comprises a handcuffs body (1) and two U-shaped handcuffs rings (2). The ends of the two handcuffs rings (2) correspond to each other and can be sleeved with each other, the two ends of the handcuffs rings are respectively provided with a plurality of through holes (4) formed at intervals, a top plate (5) is arranged in the handcuffs body and provided with a width tooth surface (6), the tooth surface (6) is connected with a motor (3), and a plurality of through holes or grooves (7) are formed in the upper end face and lower end face of the top plate. A boss (8) with an inclined plane is arranged on one side inside the through holes or grooves (7), and lock pin bases (9) are arranged on respectively corresponding sides of the through holes or grooves (7). Due to the special structural design in combination with a photoelectric coded lock system, the pair of handcuffs is effectively prevented from being opened by a prisoner through articles such as an iron wire, a needle and a stick, the escape of the prisoner is avoided, and the safety is improved.
| NTIS | 1982