Hedge trimmer aid

Details Hedge trimmer aid Hedge trimmer aid

1994-06-20

1995-11-21

Cuchlinski, Jr., William A.

Geometrical instruments

Indicator of direction of force traversing natural media

Structurally installed including relation to feature thereof

33349, 33378, 56233, B25B 2900

Patent

active

054675324

ABSTRACT:
A hedge trimmer aid including a reference indicator similar to a bubble level wherein an included air bubble is replaced by a small sphere of lower density than a surrounding fluid provides a true horizontal reference, an adjustable pointer with magnifier which is manually set to a particular angular disposition substantially equivalent to the desired angle of the finished trim, and a frame which couples the pointer and the horizontal reference indicators and furthermore affixes the hedge trimmer aid to the static housing portion of a hedge trimmer in clear view of an operator. In use, the angular disposition desired for the hedge is selected and set by rotating the adjustable pointer to a fixed marking disposed upon the surface of a hemispherical bubble level. The hedge trimmer is then manually rotated about a horizontally disposed axis until the colored sphere within the level and a magnifying sight disposed upon the adjustable pointer are in alignment. When alignment is achieved the hedge trimmer blade is angularly disposed to permit cutting at the selected angle. In an alternate embodiment a weighted ball suspended in fluid and free to rotate within a sphere performs the function of the bubble level, and indicia inscribed upon the ball or enclosing sphere are employed to visually indicate the angular disposition of the hedge trimmer blade from the horizontal.

REFERENCES:
patent: 2452930 (1948-11-01), Ivey
patent: 2525387 (1950-10-01), Volk
patent: 2691829 (1954-10-01), Arana
patent: 2941307 (1960-06-01), Frisbie
patent: 3540122 (1970-11-01), Bogdan
patent: 4295279 (1981-10-01), Sienknecht
patent: 4482155 (1984-11-01), Higley
patent: 4656749 (1987-04-01), Ashley et al.
patent: 4794701 (1989-01-01), Clark
patent: 4908949 (1990-03-01), Jaccard

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