Martin Feldman

US Patent:

8033307, Oct 11, 2011

Filed:

Feb 13, 2009

Appl. No.:

12/371559

Inventors:

David Pozgay - Evanston IL, US
James B. Stevens - Oak Park IL, US
Harald Krondorfer - Aurora OH, US
Jeff Schreiner - Milwaukee WI, US
Martin Feldman - Mundelein IL, US
Tim Truesdale - Lindenhurst IL, US
Arturo Gonzalez - Mexicali, MX
Deborah Brown - Evanston IL, US
Erick Higashi - Mexicali, MX
Charlie Ren - Chicago IL, US

Assignee:

Robert Bosch GmbH - Stuttgart

International Classification:

B27C 5/10

US Classification:

14413695, 1441545, 409182, 409206, 409218

Abstract:

A routing machine comprises a base unit and a motor unit releasably connected to the base unit. The base unit includes a handle and a first electrical connector. The motor unit includes an electric motor, motor control circuitry configured to energize or de-energize the electric motor, and a second electrical connector connected to the motor control circuitry. The second electrical connector is configured to engage the first electrical connector when the motor unit is properly seated on the base unit. An electric switch is positioned on the base unit. The motor control circuitry is configured to deliver electric power to the electric motor when the switch is in an on position. The motor control circuitry is configured to not provide electric power to the electric motor when the switch is in an off position.

US Patent:

8408259, Apr 2, 2013

Filed:

Oct 10, 2011

Appl. No.:

13/270057

Inventors:

David Pozgay - Evanston IL, US
James B. Stevens - Oak Park IL, US
Harald Krondorfer - Aurora OH, US
Jeff Schreiner - Milwaukee WI, US
Martin Feldman - Mundelein IL, US
Tim Truesdale - Lindenhurst IL, US
Arturo Gonzalez - Mexicali, MX
Deborah Brown - Evanston IL, US
Erick Higashi - Mexicali, MX
Charlie Ren - Chicago IL, US

Assignee:

Robert Bosch GmbH - Stuttgart

International Classification:

B27C 5/10

US Classification:

14413695, 1441545, 409182

Abstract:

A routing machine comprises a base unit and a motor unit releasably connected to the base unit. The base unit includes a handle and a first electrical connector. The motor unit includes an electric motor, motor control circuitry configured to energize or de-energize the electric motor, and a second electrical connector connected to the motor control circuitry. The second electrical connector is configured to engage the first electrical connector when the motor unit is properly seated on the base unit. An electric switch is positioned on the base unit. The motor control circuitry is configured to deliver electric power to the electric motor when the switch is in an on position. The motor control circuitry is configured to not provide electric power to the electric motor when the switch is in an off position.