Patent ID: 11867218
Assignee: ANDREAS STIHL AG & CO. KG
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F  B | IPC B  F

Claim 16:
17. A work apparatus comprising:
a work tool;
a housing part;
a stud bolt threadably engaged in said housing part for attaching said work tool thereon;
said work apparatus being a motor-driven chainsaw;
said work tool being a guide bar with a saw chain arranged thereon;
said stud bolt defining a guide element for said guide bar;
said stud bolt extending along an axial direction;
said stud bolt defining a first section and a second section extending in said axial direction with said axial direction running in a direction from said first section to said second section;
said housing part having a receptacle provided therein;
said first section of said stud bolt being mounted at least partially in said receptacle and said second section extending upwardly in said axial direction out from said housing part;
said receptacle defining an inner thread;
said first section of said stud bolt having a first subsection defining an outer thread threadably engaging said inner thread of said receptacle for transmitting longitudinal forces (L);
said outer thread and said inner thread conjointly defining a threaded connection;
said first section of said stud bolt having a second subsection defining a support region for transmitting transverse forces (Q) to said housing part;
said support region being braced at least indirectly on said receptacle;
said support region being arranged in said axial direction at a distance (a1) to said threaded connection;
a thickening arranged in said second subsection of said first section with said thickening having a diameter (d2) measured perpendicularly to said axial direction;
said diameter (d2) being greater than a nominal diameter (d1) of said outer thread; and, said support region being part of said thickening; and,
wherein said diameter (d2) of said thickening in said support region continuously increases in said axial direction.