Cutting by use of rotating axially moving tool – Combined cutting means – Plural other type cutting means
Patent
1993-06-01
1994-05-31
Howell, Daniel W.
Cutting by use of rotating axially moving tool
Combined cutting means
Plural other type cutting means
144 35R, 173 50, B23B 4700
Patent
active
053164156
ABSTRACT:
A power drill with a saw blade transmission including a motor fastened inside a housing to turn a drill, a driven gear meshed with a drive gear mounted on the output shaft of the motor, a channel bearing disposed inside the housing, a transmission gear disposed inside the housing and driven by the driven gear, the transmission gear having an eccentric transmission shaft driven by the driven gear to impart a reciprocating movement to the channel bearing, and a linking shaft fixed to the channel bearing and driven to reciprocate a saw blade for cutting.
REFERENCES:
patent: Re23139 (1949-08-01), Langfelder
patent: 257309 (1882-05-01), Ford
patent: 1898956 (1933-02-01), Harvie
patent: 2526976 (1950-10-01), Smith
patent: 2775898 (1957-01-01), Baier
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