Spring devices – Resilient shock or vibration absorber – Tool movement dampening
Patent
1994-03-18
1995-08-29
Butler, Douglas C.
Spring devices
Resilient shock or vibration absorber
Tool movement dampening
30383, 1731622, 267153, F16F 136
Patent
active
054453658
ABSTRACT:
An anti-vibration element has a tubular elastic base body with a first and a second end for connecting parts in a vibration-damping manner. A dumbbell-shaped bolt has a connecting element and a first and a second clamping element connected to opposite ends of the connecting element. The dumbbell-shaped bolt is inserted into the base body such that the dumbbell-shaped bolt has limited axial displacement. The connecting element can be made of a substantially rigid or a substantially elastic material. In a preferred embodiment, the first clamping element is axially fixed relative to the longitudinal axis of the base body and the second clamping element is axially displaceable relative to the longitudinal axis of the base body.
REFERENCES:
patent: 1834502 (1931-12-01), Smith
patent: 2771312 (1956-11-01), Thiry
patent: 3057609 (1962-10-01), Krekeler
patent: 3302673 (1967-02-01), Forsberg
patent: 3845827 (1974-11-01), Schulin
patent: 4135301 (1979-01-01), Hoeppner
patent: 5046566 (1991-09-01), Dorner et al.
Butler Douglas C.
Firma Andreas Stihl
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