Cutting – With tool sharpener or smoother – Spatially fixed tool
Patent
1991-12-09
1993-05-11
Yost, Frank T.
Cutting
With tool sharpener or smoother
Spatially fixed tool
76 85, 83676, 51288, B26D 712
Patent
active
052091503
ABSTRACT:
It is placed in a stationary manner in the top part of the machine and has a sharpening wheel (18) as well as a polishing device of the blade that eliminates the rough edges produced in sharpening.
It has a frame (1) that incorporates a cover (3) that is subject to being collapsed in order to allow the unit to be cleaned. In the bottom the cover (3) incorporates a support fastened by means of a body (9) which is passed through by a central hole through which a shaft (12) passes whose top end incorporates a control (13) and in the bottom thereof the sharpening wheel (18) the shaft (12) being aided by a spring (14) whereby upon turning the control (13) the movement of the sharpening wheel (18) is produced until it makes contact with the cutting blade (2.) Upon releasing the control (13) the sharpening wheel returns to its original position, the cutting blade (2) remaining protected in the entire process.
In order to turn the control (13) it is necessary to push the same which releases two retaining notches which prevent it from turning in the inoperative state.
The blade polishing device consists of a strip solid to the end of a shaft (23) which remains mounted in a recess provided in the support (8); the other end of the shaft (23) incorporates a latch which makes movement of the shaft (23) possible against a spring (26) the polishing strip (25) positioning itself in the edge of the cutting blade (2.)
REFERENCES:
patent: 1977067 (1934-10-01), Johnston
patent: 1978929 (1934-10-01), Breaden
patent: 2476177 (1949-07-01), Bloom et al.
patent: 3704736 (1972-05-01), Pratley
patent: 3820289 (1974-06-01), Good
patent: 3986307 (1976-10-01), Shie, III
patent: 4263754 (1981-04-01), DeTorre
patent: 4503643 (1985-03-01), Johnson et al.
patent: 5090281 (1992-02-01), Paulson et al.
Peterson Kenneth E.
Yost Frank T.
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