Global Patent Index - EP 0857828 B1

EP 0857828 B1 20011205 - Vibrating tamper

Title (en)

Vibrating tamper

Title (de)

Vibrationsstampfer

Title (fr)

Dispositif de bourrage par vibrations

Publication

EP 0857828 B1 20011205 (DE)

Application

EP 98101033 A 19980122

Priority

DE 19704495 A 19970207

Abstract (en)

[origin: EP0857828A1] The appliance has an integral drive (3) and a guide bracket (6) with a grip end for an operator. Mass distribution of the bracket results in vibration reduction at the bracket grip end (9). Bracket geometry and mass distribution are satisfied according to:- Hs divided by ms(lhg x lh - lv x lv) = 0.8 - 1.3 ms = mass of the guide bracket; Hs = mass moment of inertia of the bracket about an axis through the centre of gravity (10) of the bracket, which is parallel to an axis through the hinge points (8); lh = distance at right angles to tamper axis (A), between centre of gravity and axis through hinge points; lhg = distance at right angles to tamper axis, between grip end and centre of gravity; lv = distance parallel to the tamper axis, between centre of gravity and axis through hinge points. The ratio for weight distribution is approx. between 0.9 and 1.3, esp. between 1.0 and 1.15. For this purpose, the bracket has a weight.

IPC 1-7

E02D 3/061; E01C 19/35; B06B 1/14

IPC 8 full level

E01C 19/34 (2006.01); B06B 1/14 (2006.01); E01C 19/35 (2006.01); E02D 3/061 (2006.01)

CPC (source: EP US)

B06B 1/14 (2013.01 - EP US); E01C 19/35 (2013.01 - EP US); E02D 3/061 (2013.01 - EP US)

Designated contracting state (EPC)

AT BE CH DE DK ES FR GB IE IT LI NL PT SE

DOCDB simple family (publication)

EP 0857828 A1 19980812; EP 0857828 B1 20011205; AT E210227 T1 20011215; AU 5299498 A 19980813; AU 722562 B2 20000803; BR 9800528 A 19990706; CA 2228924 A1 19980807; CA 2228924 C 20071204; DE 19704495 A1 19980813; DE 59802279 D1 20020117; DK 0857828 T3 20020304; ES 2168692 T3 20020616; JP H10219615 A 19980818; PT 857828 E 20020531; US 6019179 A 20000201; ZA 98944 B 19980811

DOCDB simple family (application)

EP 98101033 A 19980122; AT 98101033 T 19980122; AU 5299498 A 19980206; BR 9800528 A 19980206; CA 2228924 A 19980205; DE 19704495 A 19970207; DE 59802279 T 19980122; DK 98101033 T 19980122; ES 98101033 T 19980122; JP 2499598 A 19980206; PT 98101033 T 19980122; US 1987498 A 19980206; ZA 98944 A 19980205