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US 4,308,604 AGranted
Globe clock
OwnerJames L. G. Grahaminventor
Life of this patent
Estimating the term…
Abstract
A clock for indicating the different times at different places in the world, comprises a globe and a dial ring rotatable in an annular groove formed around the inside of the globe at its equatorial region. The dial ring is rotated around the globe by a clock movement. A time scale on the dial ring is visible through a transparent zone of the equatorial region of the globe, and the simultaneous times at the different places in the world are indicated by reading the time scale in conjunction with index marks provided on the globe and identifying different places in the world.
Claims6
A clock comprising:
- (a) a stationary body part in the form of a hollow globe having a transparent, annular equatorial zone and an annular groove provided around the interior surface thereof at and adjacent the equatorial zone of said globe,
- (b) a dial part in the form of a ring bearing a time scale on the outer peripheral surface thereof representing a twenty-four hour period, said ring being mounted in said annular groove so as to be rotatable about said globe with said time scale being visible through said transparent equatorial zone, said globe bearing the outline of continents and countries of the world and having index marks adjacent at least one of the peripheral side edges of said ring for indicating different relative times at different geographical locations in the world and cooperating with said time scale to indicate them,
- (c) clock movement means mounted within said globe, and
- (d) gear means coupling said clock movement means to said ring to rotate said ring within said annular groove, whereby said index marks on said globe in conjunction with said time scale on said ring simultaneously indicate the different times at said different geographical locations.
1 more element
Dependencies are inferred from the claim text.