Decorative clock with rotatable sand picture

Details Decorative clock with rotatable sand picture Decorative clock with rotatable sand picture

1989-11-29

1991-09-24

Roskoski, Bernard

Horology: time measuring systems or devices

Displays or display device details

368229, 368 93, G04B 1902

Patent

active

050519697

ABSTRACT:
A decorative clock with sand picture having the function of showing flowing picture and correct time mainly consists of a gear set housing, a sand picture, and a set of hour hand and minute hand assembled together to be positioned on a support seat in such a manner that the sand picture may freely rotate to form a flowing picture without affecting the correct indication of time by the hour hand and the minute hand.

REFERENCES:
patent: 1850184 (1932-03-01), Spainhower
patent: 2488483 (1949-11-01), Thatcher
patent: 3616640 (1971-11-01), Resnicoff

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