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

Claim 20:
21. A stud bolt and a housing part for use as part of a work apparatus which is a motor-driven chain saw, the stud bolt threadably engaging the housing part for attaching a work tool which is a guide bar with a saw chain arranged thereon, wherein the stud bolt defines a guide element for the guide bar, the stud bolt extending along an axial direction and comprising:
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 and for providing at least indirect support on said receptacle;
said stud bolt being so configured that when establishing said threaded connection, said support region is arranged in said axial direction at a distance (a1) to said threaded connection; and,
wherein said distance (a1) between said threaded connection and said support region is at least 50% of a nominal diameter (d1) of said outer thread of said second subsection.