John Holba from Hickory Hills, IL

Yoke Accessory Tool For An Oscillating Tool
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US Patent:

8499674, Aug 6, 2013
Filed:

Sep 22, 2010
Appl. No.:

12/887682
Inventors:

John Holba - Naperville IL, US
Edward Abante - Chicago IL, US
Jeremy Rubens - Palatine IL, US
Carl Christian Carlson - Vernon Hills IL, US
Jaime Moreno - Arlington Heights IL, US
Assignee:

Robert Bosch GmbH - Stuttgart
International Classification:

B27B 19/02
US Classification:

83782, 83746, 83542, 301663, 30513
Abstract:

An accessory tool is configured to be coupled to a power tool having a tool drive structure. The accessory tool includes a spring component and has a first arm and a second arm attached to the spring component. The first arm includes (i) a first proximal end portion defining a first accessory drive structure that is configured to mate with a first portion of the tool drive structure, and (ii) a first distal end portion having a first holding structure. The second arm is spaced apart from the first arm and includes (i) a second proximal end portion defining a second accessory drive structure that is configured to mate with a second portion of the tool drive structure, and (ii) a second distal end portion having a second holding structure.

'O' Flute Multipurpose Bit
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US Patent:

20110268517, Nov 3, 2011
Filed:

Apr 29, 2011
Appl. No.:

13/097626
Inventors:

Krishna Sumanth Reddy Bomireddy - Schaumburg IL, US
John Holba - Naperville IL, US
Assignee:

ROBERT BOSCH GMBH - Stuttgart
ROBERT BOSCH TOOL CORPORATION - Broadview IL
International Classification:

B23B 51/08
US Classification:

408 22
Abstract:

A tool bit providing a combined drill bit and milling bit is disclosed herein. The tool bit in one embodiment includes a working section having a longitudinally extending central axis, an O-flute extending along the working section, and a tooth formed at a tip portion of the working section, the tooth offset from the central axis.

Cutting Tool Guide
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US Patent:

20130068080, Mar 21, 2013
Filed:

Sep 16, 2011
Appl. No.:

13/234253
Inventors:

John Holba - Naperville IL, US
Chad Kean Richart - Cumming GA, US
Assignee:

Robert Bosch GmbH - Stuttgart
Robert Bosch Tool Corporation - Broadview IL
International Classification:

B26B 29/06
US Classification:

83821
Abstract:

A tool guide for guiding a cutting tool includes a cuff assembly, a first resilient clamp, and a second resilient clamp. The cuff assembly includes a body member, an arm member extending from the body member, and an opposing arm member extending from the body member. The body member, the arm member, and the opposing arm member are configured to define a workpiece channel. The first resilient clamp member is configured to extend from the arm member into the workpiece channel. The second resilient clamp member configured to extend from the opposing arm member into the workpiece channel.

Pipe Deburring Accessory For Circular Saw
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US Patent:

20130081288, Apr 4, 2013
Filed:

Sep 30, 2011
Appl. No.:

13/250662
Inventors:

John Holba - Naperville IL, US
Assignee:

Robert Bosch GmbH - Stuttgart
Robert Bosch Tool Corporation - Broadview IL
International Classification:

B26D 7/27
B24B 9/00
B23D 59/00
B24B 45/00
B24D 3/00
US Classification:

30514, 451540
Abstract:

An accessory for a saw assembly includes a fastener structure and an abrasive member. The fastener structure includes (i) a drive portion having a drive surface, (ii) a post extending from the drive portion and including a set of external threads, and (iii) a platform portion attached to one of the drive portion and the post, the platform portion defining an upper support surface and a lower clamping surface. The abrasive member defines a central passage, the abrasive member being secured to the fastener structure so that the drive portion is located within the central passage.

Power Saw Miter Cutting Guide
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US Patent:

20130081528, Apr 4, 2013
Filed:

Sep 30, 2011
Appl. No.:

13/250634
Inventors:

John Holba - Naperville IL, US
Assignee:

Robert Bosch GmbH - Stuttgart
Robert Bosch Tool Corporation - Broadview IL
International Classification:

B23D 59/00
B26B 29/06
US Classification:

83821
Abstract:

A cutting guide includes a first guide structure having a base, a first saw support, and a second saw support. The first saw support is attached to said base and defines a first saw contact surface. The second saw support is attached to said base and defines a second saw contact surface that is spaced apart from said first saw contact surface so as to define an elongated cutting slot therebetween. The elongate cutting slot defines (i) a first slot portion, (ii) a second slot portion that is contiguous with said first slot portion, and (iii) a third slot portion that is contiguous with said second slot portion. The second slot portion is interposed between said first slot portion and said third slot portion. The base defines a first workpiece passage and a second workpiece passage that are spaced apart from each other to define a workpiece space therebetween.

Power Saw Crown Molding Cutting Guide
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US Patent:

20130081529, Apr 4, 2013
Filed:

Sep 30, 2011
Appl. No.:

13/250700
Inventors:

John Holba - Naperville IL, US
Assignee:

Robert Bosch GmbH - Stuttgart
Robert Bosch Tool Corporation - Broadview IL
International Classification:

B23D 59/00
US Classification:

83821
Abstract:

A cutting guide includes a first guide structure and a second guide structure. The first guide structure includes (i) a first base, (ii) a first saw support attached to the first base and defining a first saw contact surface, and (iii) a second saw support attached to the first base and defining a second saw contact surface that is spaced apart from the first saw contact surface so as to define a first elongated cutting slot therebetween. The second guide structure includes (i) a second base, (ii) a third saw support attached to the second base and defining a third saw contact surface, and (iii) a fourth saw support attached to the second base and defining a fourth saw contact surface that is spaced apart from the third saw contact surface so as to define a second elongated cutting slot therebetween.