Time display system

Horology: time measuring systems or devices – Chronological – With mechanical or electromechanical driven display

Patent

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Details

368238, G04B 1904

Patent

active

046015850

ABSTRACT:
An illusory time display system of clock hand or hands in a case too small in radial dimension to permit normal rotation of the hands around the case, provides nevertheless for normal rotation of the hands and accurate conventional display of time. The outer ends of the hands travel in a smoothly contoured channel along the case periphery and collapse axially into themselves by contact with the case as they are conventionally rotated by any conventional drive, to accomplish the apparently impossible non-jamming travel around the too-small case. Various versions of odd-shaped and/or non-concentric timepiece face, case, and hands that further the illusion are disclosed.

REFERENCES:
patent: 3184912 (1965-05-01), Freeburg et al.
patent: 3952500 (1976-04-01), Tomura

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