| 摘要 |
1425780 Centrifugal brake for fishing reel MITCHELL SA 10 Oct 1974 [8 Nov 1973] 44002/74 Heading A1A In a fishing reel of the type having the spool either rotatable with its shaft or rotatable about a fixed shaft, a centrifugal brake includes a brake drum 1 coaxial with the spool. The spool 4 is fixed on shaft 5 rotatably and removeably mounted between two side plates 2 by means of ball bearings 6 at each end of the shaft. In one lateral flange of spool 4 are three radial grooves 11 whose ends furthest removed from shaft 5 are disposed immediately facing an inner cylindrical surface 13 of brake drum 1. Each of these outer ends includes a tapered opening 14 whose narrow end is smaller than the crosssection of the remainder of the groove. The brake blocks 12 have a corresponding shape with tapered ends 15 able to pass freely through each opening 14 and wider parts 16 slidable in the groove. Cover plate 20 has three radial arms 21 each able to cover one of the grooves 11 and is elastically held against the spool by means of three resilient tabs 22. Brake blocks can be removed by rotating cover 20 by 1/6 th of a turn in either direction. In a further embodiment (not shown) an intermediate casing carrying the brake blocks is attached to the spool 4. In a variation of the embodiments the brake blocks are replaced by balls or rollers 50 with longitudinal axes parallel to that of the spool. |
