| 摘要 |
1,271,483. Grommets. HEYMAN MFG. CO. 24 Feb., 1970 [4 March, 1969], No. 8767/70. Heading F2H. [Also in Division H2] In a bushing comprising a flange 11 integral with a shank 30 and having a longitudinal split 16, 33 extending throughout the bushing, the flange 11 is provided with arcuate end portions 14, 15 which are adjacent to the split and which are of a radius of curvatuve greater than that of an intermediate flange portion 13. As shown, the bushing which in use is radially inwardly distorted and pushed into an aperture 50 in a panel 51 to carry a cable or hose therethrough is provided with projections 40-43 on the shank which define abutment surfaces for engaging one surface of the panel when the flange 11 is in engagement with the opposite surface of the panel. The shank 30 may be provided with a thin wall portion opposite the split 33, with flats 26, 27 adjacent the split and with ramp surfaces 24, 25. |
