Abstract: A braking force measuring mechanism is provided which includes a blocking member provided within a skirt of a spool for blocking rotation of the spool relative to a braking side member and an operating member provided at the outer periphery of the skirt for engaging or disengaging the blocking member with or from a retaining portion provided at the braking side member.

Abstract: A drag mechanism for a spinning reel which is provided at one of a stationary said member stationary with respect to a spool with a reference portion for the optimum braking force and at the other with a position setting portion corresponding to said reference portion, thereby indicating the position of an adjuster corresponding to the optimum braking force.

Abstract: A drag mechanism for a spinning reel is provided which includes drag members housed in a cavity provided at the center of the front surface of a trunk of a spool. An adjuster for adjusting a braking force of each drag member is provided with a cylindrical portion having an annular slidable surface. A sealing member mounted on the front surface of the spool is brought into contact with the slidable surface so as to seal the cavity.

Abstract: A spinning reel assembly for use in fishing includes a spool shaft mounted to a spinning reel casing but movable rearwardly and forwardly, a spool for winding fishline on having an interior bore for receiving the spool shaft, and a plurality of drag plates secured within the bore, some of which may be integral with the spool. A drag adjustment knob is threaded onto the spool shaft for applying an axial force to the drag plates in order to brake the spool against rotation.

Abstract: An adapter for a spinning-type fishing reel which replaces its existing "star" drag adjustment nut positioned on its main shaft at the front end of the reel against its spool. The adapter includes a cam lock and flat disc. The disc has a central aperture sized to slidably fit onto the main shaft of the reel and against the drag device of the reel, the drag device structured by axial pressure against the spool to vary resistance to rotation of the spool. The cam lock includes a mounting tube and a cam pivotally connected thereto. The mounting tube has longitudinal threads for rotating engagement and axial adjustment on the main shaft. With the disc positioned between the cam lock and against the drag device, the cam, having at least two pivotal positions with respect to the mounting tube, provides at least two different resistances to spool rotation simply by quickly pivoting the cam to one of its positions.