Geometrical instruments – Area integrators – Electrical
Patent
1975-05-19
1976-06-29
Aegeter, Richard E.
Geometrical instruments
Area integrators
Electrical
G01B 310
Patent
active
039655792
ABSTRACT:
A tape rule of the type including a hollow housing having a slot formed through one peripheral edge portion of the housing and including a coiled flexible measuring tape within the housing having one end thereof projectable and retractable through the slot is provided and a generally L-shaped anchor member including a pair of generally right-angularly disposed arms is also provided. The arms of the L-shaped anchor member are rigidly interconnected at adjacent ends and structure is provided for pivotally attaching the terminal end of the free end of the tape to the anchor member for oscillation of the latter relative to the terminal end about an axis disposed transverse to the free end of the tape and generally mutually perpendicular to the arms of the anchor member. The free end of one of the arms of the anchor member includes an angularly directed terminal end projecting into the included angle formed by the arms and the free end of the right-angularly disposed terminal end is toothed for gripping one side of a structure having an adjacent side along which the free end portion of the tape extends. In this manner the free end of the tape may be hooked about the corner of a structure in order to measure an adjacent side of the structure. Further, by having the L-shaped anchor member pivotally attached to the free terminal end of the tape for oscillation relative thereto the L-shaped anchor member may be positioned so as to embrace those peripheral side portions of the housing of the tape rule on either side of the slot formed in the housing through which the measuring tape is extendable and protractible. By this manner of storing the L-shaped anchor member when the associated measuring tape is not in use compact storage of the combination consisting of the tape rule and the L-shaped anchor member is assured.
REFERENCES:
patent: 1006056 (1911-10-01), Bowers
patent: 1066972 (1913-07-01), Aitken
patent: 1303756 (1918-01-01), Ballou
patent: 1506295 (1924-08-01), Forder
patent: 1860635 (1932-05-01), Thompson
patent: 3281943 (1966-11-01), Maksim
Aegeter Richard E.
Jacobson Harvey B.
O#Brien Clarence A.
Stephan Steven L.
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