Chalk line reel structure

Details Chalk line reel structure Chalk line reel structure

1984-07-12

1986-06-03

Jillions, John M.

Geometrical instruments

Straightedge type

Cord type

2421073, 2421075, 2421076, B65H 7548

Patent

active

045921482

ABSTRACT:
A chalk line reel structure which includes a housing, a reel carrying a chalk line disposed within the housing which has an opening through which the chalk line extends, a spring and enclosure therefor carried by said housing with one end of the spring affixed effectively to the reel and the other end to the enclosure and a releasable ratchet coupled effectively to the housing and the spring enclosure for adjustment of spring tension. The housing may also include a second opening for the introduction of powdered chalk and a separate compartment enclosing the reel and having openings aligned with the housing openings.

REFERENCES:
patent: 2603430 (1952-07-01), Hofer
patent: 2655728 (1953-10-01), Cook
patent: 3208769 (1965-09-01), Onori
patent: 4340191 (1982-07-01), Zavatkay

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