Honing Tool

Abstract

A honing tool for machining cylindrical bores has a tool body provided with a guide bore and a feed rod disposed in the guide bore. The tool body has a honing stone receptacle extending from the guide bore in a radial direction of the tool body outwardly through the tool body. A honing stone is arranged in the honing stone receptacle. A pin is disposed in the honing stone and projects laterally from the honing stone. An elongate spring is disposed in the tool body parallel to the honing stone, wherein the elongate spring element has a first end section, a central section, and a second end section opposite the first end section. The central section is guided across the pin and the first end section is secured in the radial direction in the tool body.

What is claimed is: 
     
         1 . A honing tool for machining cylindrical bores, the honing tool comprising
 a tool body provided with a guide bore;   a feed rod disposed in the guide bore;   the tool body having a honing stone receptacle extending from the guide bore in a radial direction of the tool body outwardly through the tool body;   a honing stone arranged in the honing stone receptacle;   a pin disposed in the honing stone and projecting laterally from the honing stone;   an elongate spring disposed in the tool body parallel to the honing stone, wherein the elongate spring element has a first end section, a central section and a second end section opposite the first end section, wherein the central section is guided across the pin and the first end section is secured in the radial direction in the tool body.   
     
     
         2 . The honing tool according to  claim 1 , wherein the honing tool receptacle has a first side provided with a first pocket formed in the tool body, wherein the pin and the central section of the elongate spring element are accommodated in the first pocket. 
     
     
         3 . The honing tool according to  claim 2 , wherein the first pocket is provided on the side of the honing stone receptacle that is leading in a rotational direction of the honing tool. 
     
     
         4 . The honing tool according to  claim 2 , wherein the tool body has a groove or a cavity in which the first end section of the elongate spring element is secured in the radial direction. 
     
     
         5 . The honing tool according to  claim 4 , wherein the groove is shorter than the honing stone receptacle. 
     
     
         6 . The honing tool according to  claim 4 , wherein the groove is longer than the first pocket. 
     
     
         7 . The honing tool according to  claim 4 , wherein the groove is substantially parallel to a longitudinal axis of the feed rod or a wedge surface of the feed rod. 
     
     
         8 . The honing tool according to  claim 4 , wherein the groove is embodied by two short grooves or transverse bores that, in an axial direction of the honing tool, are arranged before and behind the first pocket, respectively. 
     
     
         9 . The honing tool according to  claim 4 , wherein the honing tool receptacle has a second side opposite the first side and wherein the second side is provided with a second pocket formed in the tool body. 
     
     
         10 . The honing tool according to  claim 4 , wherein the pin has opposed ends projecting from two opposite faces of the honing stone, wherein the two oppositely positioned faces of the honing stone each have one of the elongate spring element arranged thereon, wherein the opposed ends of the pin and the central sections of the elongate spring elements are accommodated in the first pocket and the second pocket, respectively. 
     
     
         11 . The honing tool according to  claim 10 , further comprising a bracket connecting the elongate spring elements to each other. 
     
     
         12 . The honing tool according to  claim 11 , wherein the elongate spring elements and the bracket are formed of a single piece. 
     
     
         13 . The honing tool according to  claim 11 , wherein the feed rod has a recess and the bracket is disposed in the recess. 
     
     
         14 . The honing tool according to  claim 1 , wherein at least one of the first and second end sections has an angled end. 
     
     
         15 . The honing tool according to  claim 14 , wherein the tool body or the honing stone has a groove or a cavity, wherein the groove or the cavity is engaged by the angled end. 
     
     
         16 . The honing tool according to  claim 1 , wherein in the tool body a mounting opening and/or a detachably attached closure cap is provided. 
     
     
         17 . The honing tool according to  claim 1 , wherein the elongate spring element is made of spring wire. 
     
     
         18 . A honing tool for machining cylindrical bores, the honing tool comprising
 a tool body provided with a guide bore;   a feed rod disposed in the guide bore;   the tool body having a honing stone receptacle extending from the guide bore in a radial direction of the tool body outwardly through the tool body;   a honing stone arranged in the honing stone receptacle;   a pin disposed in the honing stone and projecting laterally from the honing stone;   an elongate spring element arranged in the tool body parallel to the honing stone, wherein the elongate spring element has a first angled end and a second end, wherein the first angled end engages a transverse bore of the honing stone, and wherein the second end is secured in the tool body in the radial direction of the tool body.   
     
     
         19 . The honing tool according to  claim 18 , wherein the elongate spring element is made of spring wire. 
     
     
         20 . A honing tool for machining cylindrical bores, the honing tool comprising
 a tool body provided with a guide bore;   a feed rod disposed in the guide bore;   the tool body having a honing stone receptacle extending from the guide bore in a radial direction of the tool body outwardly through the tool body;   a honing stone arranged in the honing stone receptacle;   a pin disposed in the honing stone and projecting laterally from the honing stone;   wherein the honing stone has at least one longitudinal groove that extends parallel to a bottom side of the honing stone;   wherein the feed rod has a first circumferential groove;   a first annular securing element that is arranged in the first circumferential groove, wherein the first securing element has an engaging end that engages the at least one longitudinal groove of the honing stone.   
     
     
         21 . The honing tool according to  claim 20 , wherein the feed rod has a second circumferential groove and a second annular securing element that is arranged in the second circumferential groove, wherein the first and second circumferential grooves are spaced apart from each other in an axial direction of the feed rod, and wherein said second annular securing element has an engaging end that engages the at least one longitudinal groove of the honing stone. 
     
     
         22 . The honing tool according to  claim 21 , wherein in the honing stone two of said at least longitudinal groove are provided and wherein the end of the first securing element engages one of the two longitudinal grooves of the honing stone and the end of the second securing element engages the other one of the two longitudinal grooves. 
     
     
         23 . The honing tool according to  claim 21 , wherein the engaging ends of the first and second securing elements are angled. 
     
     
         24 . The honing tool according to  claim 21 , wherein the elongate spring element and the first and second securing elements are made of spring wire. 
     
     
         25 . The honing tool according to  claim 20 , wherein the elongate spring element and the first securing element are made of spring wire.