KR870009820A - Knife grinder - Google Patents

Abstract

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Description

Knife grinder

Since this is an open matter, no full text was included.

1 is a partial side view of a knife grinder including a housing, a grinding device in a non-operating position and a blade retainer;

FIG. 2 is a partial side view similar to FIG. 1 showing that the polishing device engages the edge of a blade inserted into a housing;

3 is a perspective view of a stopper on the polishing apparatus shown in FIGS. 1 and 2,

Claims (18)

In the knife grinder of the type composed of a guide path 18 for accommodating the blade 39 and a polishing device 11 pressed by the spring 30 to the blade edge engaging position, the polishing device 11 is inoperative. Knife grinder, characterized in that the position can be freely caught against the action of the spring (30). 2. The blade holder according to claim 1, wherein the blade holder for engaging with the inserted blade 39 and pressing it to engage with a part of the guideway, so as to retain the blade 39 inserted into the polishing machine when the polishing device is in the inoperative position. Knife grinder, characterized in that the device (12) is installed. 3. A knife grinder according to claim 1 or 2, characterized in that the grinding device (11) is slidable in the groove (20) between the blade engagement and the non-operating position. A method according to any one of claims 1 to 3, which is moved together with the polishing apparatus 11 and engaged when the polishing apparatus 11 is in the non-operating position to hold the polishing apparatus 11 in the non-operating position. Knife grinder, characterized in that to perform a releasing locking action by a manually operable support (26), the support is separated so that the polishing device (11) is moved to the blade engaging position by the action of the stopper. 5. The stopper 26 according to claim 3 or 4, wherein the stopper 26 is movable relative to the polishing apparatus 11 to engage and disengage with the groove 20 when the polishing apparatus 11 is in the operating position. And the stopper (26) is pressed against the groove (20) by the spring (30) when the polishing apparatus is in the non-operational position. 6. The knife according to claim 5, characterized in that the groove (20) is provided with a step (33) for engaging behind the cooperating portion of the stopper (26) when the polishing device (11) is in the inoperative position. Grinding machine. The knife polishing machine according to any one of claims 1 to 6, wherein the spring is a spiral spring (30) connected between the polishing apparatus and a point on one side of the polishing apparatus opposite to the entrance of the guideway. 8. A knife grinder according to claim 7, wherein the spiral spring (30) of the polishing apparatus is supported by the stopper. 3. A knife according to claim 2, characterized in that the blade holding device 12 is pressed to engage the edge 38 of the blade 39 inserted by the spring 37 and installed to move towards and away from the blade. Grinding machine. The spiral according to claim 9, wherein the spring (37) is connected between the blade holder (12) and the mounting table (29) on the side of the blade holder (12) opposite the inlet of the guideway (18). Knife polishing machine, characterized in that the spring. 10. The knife polishing machine according to claim 9, wherein the blade holding device (12) is guided by the groove (21) in the movement. The knife polishing machine according to claim 2, wherein the blade holding device comprises a convex (34) supporting a plurality of pins (35) which together form a V-notch for receiving the blade edge (38). The knife polishing machine according to claim 2, wherein the polishing device (11) is installed in front of the blade holding device (12) in the insertion direction of the blade (39). 3. The polishing device (11) and the blade holding device (12) form the guide path (18) for the rear edge portion (40) of the blade (39) and define an inlet for receiving the blade (39). Knife polishing, characterized in that the movable within the housing 10 to form. 15. The knife polishing machine according to claim 14, wherein the housing (10) is received at the open end of the sheath. 2. The polishing apparatus according to claim 1, wherein the polishing apparatus is composed of a pair of cemented carbide cutters 25 forming a V-notch, wherein the plane of the cutters 25 is angled with respect to a plane perpendicular to the length of the polishing machine. Knife polishing machine. Knife of the type consisting of a guide path 18 for engaging the rear edge portion 40 of the blade 39 and the polishing device 11 for polishing the edge of the blade 39 when the blade 39 is inserted into the grinder. In the polishing machine, the polishing device 11 may be selectively positioned to engage or be inactive with a blade inserted into the polishing machine, and the blade holding device 12 may be positioned when the polishing device 11 is in the non-operating position. A knife grinder, characterized in that it is provided to press the blade 39 into engagement with the guideway 18 to hold the inserted blade 39 in the grinder. 18. The polishing apparatus (11) according to claim 17, wherein the polishing apparatus (11) is pressed into the blade engaging position by the spring (30), and the polishing apparatus (11) can be freely caught against the action of the spring in the non-operating position. Knife polishing machine. ※ Note: This is to be disclosed based on the first application.