Patent · US Expired

Antivibration device for mounting between a motor unit and a handle unit

US5699865A · kind A · utility

29Cited by

7References

20Claims

0Family size

Assignee

Andreas Stihl AG & Co. KG · DE

Inventors

Karl Forderer · Schwaikheim, DE
Klaus Hoppner · Erbach, DE
Gerd Fricke · Waiblingen, DE

Key dates

Filing date	Aug 9, 1996
Grant date	Dec 23, 1997
Priority date	—
Expiry date	Aug 9, 2016

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB27B17/0033
WIPO fieldMachine tools
WIPO sectorMechanical engineering

Abstract

The invention relates to an antivibration device between a motor unit 2 and a handle unit 9 of a portable handheld motor-driven chain saw 1. The antivibration device includes a sleeve-shaped elastic base body 6 having one of its ends 36 in a receptacle 20 of the motor unit 2 and the other end 46 in a receptacle 90 of the handle unit 9. The ends (36, 46) of the base body are fixed in the receptacles (20, 90) by axially engaging plugs (31, 41) in the end sections (30, 40). The guiding characteristics of the motor-driven chain saw are not affected by base bodies which become damaged or soft. This is so because at least one of the stops 31 has a coupling member 50 which bridges an axial spacing (z) between the plugs (31, 41) and projects into the other plug 41 and is latched so that it cannot be axially separated therefrom. A mechanical connection remains between the handle unit and the motor unit when the base body tears off.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.