Reciprocating trimming apparatus

Cutlery – Cutting tools – Plural cooperating blades

Patent

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Details

30223, B26B 1902

Patent

active

045921431

ABSTRACT:
Concave curve-shaped stem capturing recesses are provided in edges of stem guiding slots in non-blade carrying member of a rechargeable, battery powered reciprocating hedge and shrub trimmer. The recesses have portions presenting acute stem contact angles to the guided stems, which portions extend inward from about the location of the blade tip a distance greater than about 50% of the effective blade height.

REFERENCES:
patent: 470578 (1892-03-01), Kidd
patent: 1832993 (1931-11-01), Masek
patent: 2558459 (1951-06-01), Podner
patent: 2763925 (1956-09-01), Asbury
patent: 3143798 (1964-08-01), Lundquist
patent: 3193925 (1965-07-01), Hawley
patent: 3293746 (1966-12-01), Maxson
patent: 3538693 (1970-11-01), Hast
patent: 3623223 (1971-11-01), Edgell
patent: 3751805 (1973-08-01), Grahn
patent: 3848401 (1974-11-01), Hast

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