Back to results
US 5,208,992 AGranted
Measuring instrument
OwnerJeffrey M. Sykeninventor
Life of this patent
Estimating the term…
Abstract
An improved measuring apparatus (10) including male (12) and female (11) measuring instruments equipped with complimentary pairs of male (14) and female (13) sleeve bodies bearing a multiplicity of variably aligned calibrated indicia (50) representative of different drawing scales; wherein, the male (12) and female (11) measuring instruments are adapted to be captively engaged in L and inverted L configurations as well as in an end to end straight line configuration.
Claims8
An improved measuring apparatus for use with drawings employing different scales;
- wherein, the measuring apparatus comprises:
- generally elongated male and female instrument members having opposite ends wherein one pair of ends are adapted to be releasably and pivotally connected to one another and the other pair of ends are adapted to be releasably and matingly engaged to one another in a straight line fashion;
- and
- means associated with said male and female instrument members for captively yet releasably engaging said instrument members in both and L and an inverted L configuration.
1 more element
Dependencies are inferred from the claim text.