Horology: time measuring systems or devices – Chronological – With mechanical or electromechanical driven display
Patent
1990-11-05
1992-04-14
Roskoski, Bernard
Horology: time measuring systems or devices
Chronological
With mechanical or electromechanical driven display
368 76, 368228, 368223, 368 73, 368250, 368252, G04B 1904
Patent
active
051053977
ABSTRACT:
An apparatus including a clock housing formed of a conventional clockwork to drive an hour and minute hand in a typical fashion relative to the clock face. A series of digits are defined about the clock face for indication of time. An indicator arm mounting an indicator ring at a forward terminal end thereof is pivotal about the clockwork axis and frictionally engageable thereto to selectively indicate a predetermined digit for visual inidication to a child of an impending time frame. A modification of the instant invention includes transparent plates with aluminum members mounted rearwardly thereof selectively actuatable for selective illumination of various digits for indication of a time member digit. Further, the organization selectively includes a farrow magnetic ring mounted in surrounding relationship relative to the clock face for securement of a marker for positioning of the marker relative to an impending time digit.
REFERENCES:
patent: 328112 (1885-10-01), Dietz
patent: 1851824 (1932-03-01), Fewell
patent: 2072795 (1937-03-01), Childs
patent: 2564270 (1951-08-01), McMillen
patent: 3184912 (1965-05-01), Freeburg
patent: 3595010 (1971-07-01), Kaiser
patent: 4601585 (1980-07-01), Farley
Gilden Leon
Roskoski Bernard
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