Retractable tie-down assembly with fine tightness adjustment

Details Retractable tie-down assembly with fine tightness adjustment Retractable tie-down assembly with fine tightness adjustment

1998-10-15

1999-12-28

Walsh, Donald P.

Implements or apparatus for applying pushing or pulling force

Portable implements or apparatus for tensioning flexible...

Including either force transmitting, hand held and operated...

254223, 254364, 410100, B21F 900

Patent

active

060070536

ABSTRACT:
A retractable tie-down assembly includes a frame, a spool rotatably mounted to the frame, a strap wrapable on the spool, and a locking device. A holder bracket is pivotally connected to an axle of the spool. A catch member is mounted in the holder bracket. A spring includes a first end attached to the holder bracket and a second end attached to an end of the catch member to thereby bias the catch member to a position disengaged from the ratchet wheel. When the locking device is in a position engaged with a ratchet wheel on the spool and thus locks the spool against rotation in a pay out direction, and when the holder bracket is manually pivoted in a direction away from the locking device, the catch member is moved to engage with and thus exerts a force to the ratchet wheel such that the spool rotates in a retracting direction. Fine tightness adjustment of the strap is achieved by simple repeated reciprocating pivotal movements of the holder bracket.

REFERENCES:
patent: 2156062 (1939-04-01), Porter
patent: 2946563 (1960-07-01), Eaton
patent: 2991975 (1961-07-01), Alexander
patent: 4227286 (1980-10-01), Holmberg
patent: 4542883 (1985-09-01), Rutzki
patent: 4842458 (1989-06-01), Carpenter
patent: 5271606 (1993-12-01), Kamper
patent: 5282706 (1994-02-01), Anthony et al.
patent: 5443342 (1995-08-01), Huang
patent: 5542798 (1996-08-01), Rawdon et al.
patent: 5746192 (1998-05-01), Gissel

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