Counting device

Details Counting device Counting device

1989-10-11

1991-11-05

Hix, L. T.

Registers

Parallel axes

Disk

235117A, G06C 2700, G06C 100

Patent

active

050632850

ABSTRACT:
An improved counting device is provided which may be attached to the back of the hand and operated by that same hand without interfering with the use of that hand. In a preferred embodiment of the invention, a counting device is attached to the back surface of the index and middle finger of one hand in a position so that the advancing means of the counter may be activated with minimal movement of the thumb of the same hand.

REFERENCES:
patent: 394399 (1888-12-01), Robyn
patent: 2264797 (1941-12-01), Hathaway et al.
patent: 2753110 (1956-07-01), Simmons
patent: 2996247 (1961-08-01), Shell
patent: 3120213 (1964-02-01), Mulligan
patent: 4121744 (1978-10-01), Minear
patent: 4262898 (1981-04-01), Lee

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