Screw with differentiated sections for corkscrews

Details Screw with differentiated sections for corkscrews Screw with differentiated sections for corkscrews

1990-02-05

1991-04-16

Schmidt, Frederick R.

Tools

Receptacle closure remover

Screw type

81 307, 7155, B67B 700

Patent

active

050073109

ABSTRACT:
Screw (15) with differentiated sections for corkscrews (10) which consists of a pivotal (14) element (17) for connection to a lever body (11) of the corkscrew (10), a screw body (18) formed with a plurality of helices (19) and a point (20), the screw body (18) comprising at least two segments of a desired length (L1-L2), which contain a desired number (n1-n2) of helices (19) and consist of helics (19) having sections of a differentiated size (S1-S2), the section S2 being smaller than the section S1 by a desired value.

REFERENCES:
patent: D47778 (1915-08-01), Yapczenski
patent: 251525 (1881-12-01), Codd
patent: 647775 (1900-04-01), Walker
patent: 1548519 (1925-08-01), Flint

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