Indexing element for switching a chronometer

Details Indexing element for switching a chronometer Indexing element for switching a chronometer

1982-12-23

1985-03-12

Scott, J. R.

Horology: time measuring systems or devices

Chronological

With simultaneous time indicating means

200 38BA, 200 38CA, 368254, H01H 4300, G05B 1906, G04C 2100, G04C 2300

Patent

active

045041547

ABSTRACT:
An indexing unit in the form of a disc or an endless tape for switching chronometers has a number of programmable switch tabs disposed at an edge of the element forming a unitary structure, the switch tabs being depressable against the influence of a restoring force for positioning selected tabs in at least one programming position for actuating a separate switch device for switching a chronometer. The indexing element is comprised of flexible foil having a number of uniformly spaced incisions at an edge thereof. Each tab formed between successive incisions has a free end which may be pressed behind a retaining element for programming the indexing element.

REFERENCES:
patent: 1801129 (1931-04-01), Warren
patent: 2671148 (1954-03-01), Schulenburg
patent: 2874239 (1959-02-01), Doneit
patent: 2905777 (1959-09-01), Gayring
patent: 3783599 (1974-01-01), Tanaka

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