Dual plate sander

Details Dual plate sander Dual plate sander

2007-03-27

2007-03-27

Ackun, Jr., Jacob K. (Department: 3723)

Abrading

Machine

Reciprocating tool

C451S356000

Reexamination Certificate

active

11437145

ABSTRACT:
The present invention relates to a dual plate sander comprising a housing, a motor mounted in the housing, first and second transmission devices driven by the motor and eccentric shafts each rotating about a main drive shaft connected to the transmission device. Twin sanding assemblies terminating in sanding plates are mounted on respective eccentric shafts. A guiding element serves to translate the eccentric rotary motion of the eccentric shafts into opposite reciprocating movement of the sanding assemblies. The opposed reciprocating movement serves to balance the inertial forces generated by the sander and reduce oscillations.

REFERENCES:
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patent: 5464366 (1995-11-01), Hutchins
patent: 5597347 (1997-01-01), Bosten et al.
patent: 0 893 198 (1998-05-01), None
patent: 0893198 (1999-01-01), None
patent: 370269 (1932-04-01), None
patent: 2002-233941 (2001-02-01), None
Search Report dated Aug. 25, 2006 for International Patent Application No. EP 06252625.6.

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