| 主权项 |
1. Line-of-sight apparatus locking arrangement for demountable securing a line-of-sight apparatus to said arrangement, said arrangement comprises a receiver front part locking device and a receiver rear part locking device, each of which comprising a handle member adapted for attachment to a respective rotation mechanism characterized in that each rotation mechanism being coupled to a translation mechanism adapted for, during manoeuvre of the locking device, converting rotational motion into translator motion, each translation mechanism comprises a pressing portion provided for abutment against a respective abutment area of the apparatus, wherein each translation mechanism comprises a resilient member provided for urging said pressing portion against the abutment area, wherein a position of the pressing portion is achieved by the resilient member translating the pressing portion in a direction towards a supporting point of the arrangement, and wherein the receiver front part locking device comprises a rectilinear translation mechanism, and wherein the receiver rear part locking device comprises a curvilinear translation mechanism that moves the pressing portion in a direction corresponding with the longitudinal centre line of the line-of-sight apparatus. |
