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Morticed head mounted casement bolt fastener for doors or windows - has link rod under masking section to which housing for cogged control wheel is fixed
Morticed head mounted casement bolt fastener for doors or windows - has link rod under masking section to which housing for cogged control wheel is fixed
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机译:用于门窗的固定式平头式平头螺栓紧固件-在遮蔽部分下方具有连杆,固定有嵌齿的控制轮的壳体
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摘要
The head-mounted casement bolt is for use on doors or windows and is of a robust morticed construction. The transmission rod (6) is located behind a masking strip (4) and in a groove along the edge of the mobile or the static frame. The depth of the groove is increased locally to accommodate a knob-operated partly cogged wheel in a housing (24). The profile of the housing (24) may be varied to suit the geometry of the frame. The housing (24) may be of an inverted winged U shape, is fixed to the masking strip (4) and is also fixed to the frame. The former fixing utilises two plates (26, 27) which cantilever from the strip (4) to form a guide for the rod (6). The wings (36, 37) of the housing are of rectangular cross-section and fit between the plates (26, 27) to be screwed (34, 35) in place. A threaded sleeve (48, 49) above each wing may locate screws (50, 51) fixing the rosette of a rotatable hand-knob.
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