| 摘要 |
1,150,661. Bearings. AMPEP INDUSTRIAL PRODUCTS Ltd. 5 April, 1966 [8 April, 1965], No. 15041/65. Heading F2A. A bearing unit comprises upper and lower plates 2, 1 into which are recessed respective blocks 4, 3 the blocks having co-operating partspherical bearing surfaces. The blocks 3, 4 are secured in the recesses by bolting or bonding. An elastomeric seal 13 is secured between the plates and encircles the blocks. A further seal 12 extends from an annular groove in block 4 and engages block 3. One of the part-spherical surfaces has a low-friction layer of polyamide, superpolyamide, condensation products of polyisocyanates, polyester resins, polythene or fluorocarbon polymers, or may be of woven or knitted synthetic fibre, e.g. P.T.F.E. Reference has been directed by the Comptroller to Specification 1,030,608. |
