| 摘要 |
A lock component comprises a mounting plate (<HIL><PDAT>50</BOLD><PDAT>). An intermediate resilient element (<HIL><PDAT>56</BOLD><PDAT>) is mounted on the plate and has a peg (<HIL><PDAT>59</BOLD><PDAT>) engaging a recess (<HIL><PDAT>53</BOLD><PDAT>) on the plate to prevent rotation of the intermediate element. The intermediate element presents a collar (<HIL><PDAT>60</BOLD><PDAT>) and projection (<HIL><PDAT>61</BOLD><PDAT>) having an outer periphery configured to snugly engage an aperture (<HIL><PDAT>64</BOLD><PDAT>) in an arm (<HIL><PDAT>62</BOLD><PDAT>) which carries a lockable element (<HIL><PDAT>68</BOLD><PDAT>). A connecting element (<HIL><PDAT>74</BOLD><PDAT>) has a shaft (<HIL><PDAT>76</BOLD><PDAT>) passing through a central aperture in the intermediate element (<HIL><PDAT>56</BOLD><PDAT>), thus also extending through the aperture (<HIL><PDAT>64</BOLD><PDAT>) in the arm (<HIL><PDAT>62</BOLD><PDAT>). The shaft is connected to an aperture (<HIL><PDAT>55</BOLD><PDAT>) formed in the mounting plate (<HIL><PDAT>50</BOLD><PDAT>). The lockable element (<HIL><PDAT>68</BOLD><PDAT>) has at least one degree of freedom of movement, which may be a rotational movement about the axis of the connecting element (<HIL><PDAT>74</BOLD><PDAT>), or which may be a lateral movement. When the lockable element (<HIL><PDAT>68</BOLD><PDAT>) is engaged within the locking arrangement, the intermediate element (<HIL><PDAT>56</BOLD><PDAT>) is deformed.</PTEXT>
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