Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1989-04-07
1991-01-22
Hail, III, Joseph J.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
B65H 7548
Patent
active
049864874
ABSTRACT:
The disclosed invention relates to an automatic retracting tape measure with torsional bias adjustment. The spring for imparting the requisite bias is attached to a spindle within the tape measure housing. A portion of the spindle is exposed for actuation by a tool external to the housing to increase the bias on the spring as may be necessary.
REFERENCES:
patent: 897977 (1908-09-01), Grant
patent: 962708 (1910-06-01), Kappenberg
patent: 2160734 (1939-05-01), Henriksen
patent: 2596648 (1952-05-01), Bugg et al.
patent: 4531688 (1985-07-01), Gall
patent: 4730783 (1988-03-01), Lamson
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