| 摘要 |
1,110,288. Sliding doors. TELEFLEX PRODUCTS Ltd. 16 Feb., 1967 [19 Nov., 1965], No. 49229/65. Heading E1J. In a sliding door suspension assembly comprising a two pair wheel trolley 18 and a centrally located hanger bolt 22 depending therefrom the upper head 23 of the bolt has a part-spherical under surface 25 and side flats 26 and rests in a cup-shaped socket 19 in the trolley, the socket 19 also having a part-spherical bottom surface 19 and side flats 20, so that the bolt is permitted a degree of universal movement in the socket while the side flats restrict turning of the bolt about its axis. The space between the head and socket side flats diverges upwardly. |
