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US 5,174,238 AGranted
Pointer shaft in indicating instrument
AssigneeYazaki Corporation
InventorYukio Ohike
Life of this patent
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Abstract
A pointer shaft in an indicating instrument comprises a movement for turning the pointer shaft according to an amount of measurement, a pointer having an engaging hole in a base end portion, an end portion of the pointer shaft is fixedly pushed into the engaging hole of the pointer, a dial for indicating the amount of measurement in cooperation with the pointer, and projection means for bitting an inner wall of said engaging hole to prevent the relative rotation of said pointer and said pointer shaft, said means formed on an outer cylindrical surface of said end portion of said pointer shaft.
Claims6
An indicating instrument, comprising:
- a pointer shaft having at one end portion thereof at least one V-shaped protrusion provided on the outer surface thereof and extending axially along said one end portion of said shaft;
- a movement for turning said pointer shaft according to an amount of measurement;
- a pointer having an engaging hole in a base end portion for receiving and retaining said one end portion of said pointer shaft;
- a dial for indicating said amount of measurement in cooperation with said pointer, wherein during insertion of said shaft into said engaging hole said at least one protrusion bites into an inner wall of said engaging hole to prevent the relative rotation of said pointer and said pointer shaft.
1 more element
Dependencies are inferred from the claim text.