Geometrical instruments – Area integrators – Electrical
Patent
1979-06-08
1981-11-24
Martin, Jr., William D.
Geometrical instruments
Area integrators
Electrical
G01F 2304
Patent
active
043015972
ABSTRACT:
A dipstick is formed of a single length of wire and comprises a generally straight main body and a loop-shaped handle portion. The wire is circular in cross section, relatively small in diameter and possesses a relatively high resilience such that the main body can resiliently flex in all directions to follow a complexly curved dipstick guiding conduit. The main body has a pair of axially spaced and radially projected stopper portions. The handle portion extends from the main body and terminates in an end which is wound round the main body between the stopper portions such that the end of the handle portion is prevented from relative movement in the axial direction of the main body.
REFERENCES:
patent: 1976434 (1934-10-01), Claus
patent: 2254662 (1941-09-01), Naples et al.
patent: 2705372 (1955-04-01), Cornell
Martin, Jr. William D.
Nissan Motor Company Limited
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