Resiliently compensated wire tensioner particularly for use...

Details Resiliently compensated wire tensioner particularly for use... Resiliently compensated wire tensioner particularly for use...

2004-11-23

2009-08-11

Nguyen, Trinh T. (Department: 3644)

Plant husbandry

Plant supports

Linear

C047S047000

Reexamination Certificate

active

07571567

ABSTRACT:
Resiliently compensated wire tensioner which can be used especially in the field of vine growing to tension “moving wires” of vine supports. It comprises a wire tensioner, a suitable helical spring located between a first hooking member capable of securing it to a corresponding end post of a support for vines or other plants and a second hooking member suitable for securing it to a winding member to which the ends of the pair of “moving wires” normally used in the construction of the supports are secured and which when suitably operated in rotation by a suitable tool causes winding and consequent tensioning of the same, the helical spring having turns at some distance from each other, so that it can be operated under compression and the corresponding first hooking member and the second hooking member being applied thereto in such a way as to stress it only by shortening; a suitable immobilizing member capable of securing the winding member in the appropriate tensioning position being also provided.

REFERENCES:
patent: 2306661 (1942-12-01), Gengler
patent: 3391492 (1968-07-01), Attruia
patent: 3949968 (1976-04-01), Verhelst
patent: 4040604 (1977-08-01), Langlie et al.
patent: 4433831 (1984-02-01), Bunger
patent: 2002/0112400 (2002-08-01), Fidler
patent: 685 187 (1995-04-01), None

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