Winding – tensioning – or guiding – Reeling device – Fishing rod reel
Patent
1978-10-03
1980-09-23
Hornsby, Harvey C.
Winding, tensioning, or guiding
Reeling device
Fishing rod reel
242 755, B11B 1532, G03B 104
Patent
active
042238552
ABSTRACT:
In order to obtain smooth and positive braking, particularly with very thin magnetic tapes, a tape transport is provided which combines dynamic braking with specially configured mechanical braking means. During normal operation, dynamic braking is employed to bring the supply and take-up reel motors to a stop. A motion sensor detects the instant the reels stop and deenergizes a solenoid which holds the mechanical braking sub-system out of action during play and reeling operations. When the solenoid is deenergized, a pair of linked-together pivot arms are pulled into engagement with the reel drums by springs to obtain holding torque when the reels are at rest. The reel-engaging ends of the pivot arms are fitted with brake pads arranged to obtain differential braking torque between the supply and take-up reels according to the tape directions, a feature which is particularly useful when power failure occurs during tape handling operations. Loss of power automatically releases the solenoid permitting the mechanical system to brake the reels to a stop without tape spillage. A varient configuration employs individual solenoids to actuate similar mechanical braking means fitted to the lower ends of the supply and take-up reel motors.
REFERENCES:
patent: 2868470 (1959-01-01), Selsted
patent: 2974891 (1961-03-01), Waldhauer
patent: 3141625 (1964-07-01), Namenyi-Katz
patent: 3141626 (1964-07-01), Hoskin
patent: 3608847 (1971-09-01), Hufford
patent: 3664609 (1972-05-01), McMillin, Jr.
patent: 3937422 (1976-02-01), Kato
Hornsby Harvey C.
Pentagon Industries, Inc.
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