Construction string reel

Details Construction string reel Construction string reel

1986-06-02

1987-05-05

Little, Willis

Geometrical instruments

Straightedge type

Cord type

33138, B43L 700

Patent

active

046620788

ABSTRACT:
Disclosed herewith is an improved reel assembly for surveyors and other construction trades wherein the resilient member that retrieves the plumb line or string is entirely enclosed in the spool assembly that is contained within the housing of the reel assembly. The spool assembly is formed so that it is difficult to obtain access to the resilient member thereby precluding inadvertent release of the spring assembly.

REFERENCES:
patent: 4142693 (1979-03-01), Czerwinski
patent: 4487379 (1984-12-01), Drechsler et al.
patent: 4555854 (1985-12-01), Kuntze
patent: 4592148 (1986-06-01), Longenette

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