| 摘要 |
1,118,530. Spring door-closing appliances with covered ends. WILLIAM NEWMAN & SONS Ltd. 15 June, 1967 [20 Dec., 1966], No. 56851/66. Heading E2M. The invention relates to spring door-closing appliances comprising an elongated hollow body 1 containing a reciprocating check piston and a spring 2. the piston being operatively coupled to a vertical operating spindle 3 which is connected to the fixed door frame via two jointed together control arms (one shown by 4), the hollow body having one end closed by a removable plug 7, and flanges or lugs 5, 5 being provided at opposite ends of the body to enable the latter to be secured to the door by means of screws; and is characterized in that removable cover members 11/12 and 11/12 (e.g. of polypropylene) are applied to the ends of the hollow body to conceal the screw holes 6 and also to cover the end faces of the body, said cover members having projections which are resiliently sprung into recesses in the said body, whereby a neat and clean-cut appearance is obtained. |
