Leaf type indicating device

Details Leaf type indicating device Leaf type indicating device

1977-10-21

1979-05-01

Kinsey, Russell R.

Card, picture, or sign exhibiting

Changing exhibitor

Rotatable carrier for display item

58125C, G09F 1102

Patent

active

041516699

ABSTRACT:
A leaf type indicating device provided with a synchronizing piece made of a spring material, rotatably mounted on a main shaft and having a side portion engageable with a lug formed on one leaf belonging to a first indicating leaf group having a large number of turns per unit time, a bent portion engageable with at least one leaf belonging to a second indicating leaf group arranged adjacently to the first indicating leaf group and having a small number of turns per unit time and an end portion inserted in a hole formed in a body frame and connected with the body frame in order to make the manufacture at a low cost possible.

REFERENCES:
patent: 733180 (1903-07-01), Fitch
patent: 1090172 (1914-03-01), Shanks
patent: 3973339 (1976-08-01), Ueda
patent: 4012898 (1977-03-01), Yoshizawa

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