Cutlery – Cutting tools – With blade moving means
Patent
1985-02-11
1987-12-15
Watts, Douglas D.
Cutlery
Cutting tools
With blade moving means
307328, 361179, B26B 700
Patent
active
047123036
ABSTRACT:
A cutting machine comprising a housing having a base, a motor carried by the housing, a knife blade having a cutting edge and carried by the housing for reciprocal motion generally normal to the base in response to operation of the motor, a presser foot movably carried by the housing located in spaced relation to the blade cutting edge and movable toward and away from the base, and characterized by an elongated guard connected to the presser foot and located closely adjacent the blade edge and guided supported in the housing for movement along the blade edge in response to movement of the presser foot toward and away from the base. There is included an arrangement for releasing the presser foot when the motor is turned off allowing the pressure foot to rest on or near the base and maintain the guard in place along the blade edge when the motor is off. The machine includes a sharpening mechanism movably carried by the housing for travel in opposite directions along the blade when it is to be sharpened, and the guard is flexeible to accommodate the presence of the sharpenng mechanism. In response to movement of the presser foot, the flexible guard moves along a first path closely adjacent the blade edge, a second path offset from the first path and defined in the machine housing and a third path joining the first and second paths and extending about along the sharpening mechanism. During movement of the sharpening mechanism along the blade, the flexible guard is guided away from the blade by a guide carried by the sharpener mechanism and is returned close to the blade edge as the sharpener returns to its rest position.
REFERENCES:
patent: 1253134 (1918-01-01), Breining
Eastman Machine Company
Watts Douglas D.
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