Cutlery – Cutting tools – Saw
Patent
1995-05-30
1996-08-13
Payer, Hwei-Siu
Cutlery
Cutting tools
Saw
30210, B27B 300
Patent
active
055444180
ABSTRACT:
A branch trimmer comprises a momentum converter for converting rotary motion of the output of a power source into linear reciprocation; a saw blade being slidably reciprocated in a longitudinal direction thereof under the application of power transmitted from the momentum converter; a gear case body for accommodating a base portion of the saw blade and the momentum converter; and a gear case cover for covering a bottom portion of the gear case body. The gear case cover is divided into plural parts, a first divided gear case cover part is formed such that the outline thereof is a slightly larger than the outline of the base portion of the saw blade disposed in the gear case body when the saw blade is maximally extended to its top dead center position thereof.
REFERENCES:
patent: 3193925 (1965-07-01), Hawley
patent: 3212188 (1965-10-01), Riley, Jr. et al.
patent: 3316636 (1967-05-01), Raper, Jr. et al.
patent: 3422531 (1969-01-01), Lill et al.
patent: 3657813 (1972-04-01), Knight
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