Downhole clock spring

Details Downhole clock spring Downhole clock spring

1985-11-13

1987-05-12

Miska, Vit W.

Horology: time measuring systems or devices

Mechanical time base

Mainspring

G04B 110

Patent

active

046645314

ABSTRACT:
A downhole clock spring in the form of an elongate ribbon comprising means connecting one end to a mandrel for driving an escapement, means connecting the other end to a case, the ribbon spring being characterized in that the ribbon is split substantially along the length thereof.

REFERENCES:
patent: 3433011 (1969-03-01), Iwasawa et al.

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