Matthew R Vargas

US Patent:

7523905, Apr 28, 2009

Filed:

Jan 20, 2006

Appl. No.:

11/336737

Inventors:

Derek Timm - Windsor CA, US
Giancarlo A. Giustina - Petaluma CA, US
Matthew R. Vargas - San Jose CA, US

Assignee:

Workrite Ergonomics, Inc. - Petaluma CA

International Classification:

E04G 3/00
A47F 5/00

US Classification:

2482841, 24828111, 2482781, 248918, 108 69, 108 75, 108138

Abstract:

A keyboard support for movably supporting a keyboard with respect to a work surface of a workstation. The keyboard support includes a workstation engaging member adapted to be attached to an underside of the work surface, a keyboard engaging member for supporting a keyboard, and a linkage assembly mechanically coupling and providing relative movement between the workstation engaging member and the keyboard engaging member and thereby between the keyboard and the work surface. The keyboard support also includes a braking assembly adapted to allow relative movement of the keyboard engaging member with respect to the workstation engaging member in an unlocked position and to prevent relative movement of the keyboard engaging member with respect to the workstation engaging member in a locked position. The braking assembly comprises a roller assembly carried on a connector of the linkage assembly. The roller assembly is biased against a wedge affixed to a vertical side of the keyboard engaging member.

US Patent:

7942374, May 17, 2011

Filed:

Apr 23, 2009

Appl. No.:

12/428700

Inventors:

Derek Timm - Windsor CA, US
Giancarlo A. Giustina - Petaluma CA, US
Matthew R. Vargas - San Jose CA, US

Assignee:

Workrite Ergonomics, Inc. - Petaluma CA

International Classification:

E04G 3/00
G06F 1/16

US Classification:

2482841, 2482781, 24828111, 24829213, 36167911, 36167912

Abstract:

A keyboard support including: a workstation engaging member adapted to be attached to an underside of the work surface; a keyboard engaging member disposed forwardly of the workstation engaging member for supporting a keyboard; a linkage assembly mechanically coupling and providing relative movement between the workstation engaging member and the keyboard engaging member; and a tilt gauge assembly to indicate a tilt angle of the keyboard engaging member, the tilt gauge assembly including a parallelogram linkage defining a longitudinal axis, the parallelogram linkage including stationary member affixed to the keyboard engaging member that pivots with the keyboard engaging member with respect to the upper connector and a movable member tangent to the lower connector, wherein changing the tilt angle of the keyboard engaging member causes a distance along the longitudinal axis between the stationary member and the movable member to change.

US Patent:

8272608, Sep 25, 2012

Filed:

Apr 22, 2011

Appl. No.:

13/092201

Inventors:

Derek Timm - Windsor CA, US
Giancarlo A. Giustina - Petaluma CA, US
Matthew R. Vargas - San Jose CA, US

Assignee:

Workrite Ergonomics, Inc. - Petaluma CA

International Classification:

E04G 3/00
G06F 1/16

US Classification:

2482841, 2482781, 24828111, 2482911, 248918

Abstract:

The present invention concerns a keyboard support for movably supporting a keyboard with respect to a work surface of a workstation. The keyboard support includes a workstation engaging member adapted to be attached to an underside of the work surface, a keyboard engaging member for supporting a keyboard, and a linkage assembly mechanically coupling and providing relative movement between the workstation engaging member and the keyboard engaging member and thereby between the keyboard and the work surface. The keyboard support also includes a braking assembly adapted to allow relative movement of the keyboard engaging member with respect to the workstation engaging member in an unlocked position and to prevent relative movement of the keyboard engaging member with respect to the workstation engaging member in a locked position. The braking assembly comprises a roller assembly carried on a connector of the linkage assembly. The roller assembly is biased against a wedge affixed to a vertical side of the keyboard engaging member.

US Patent:

59928654, Nov 30, 1999

Filed:

Jun 30, 1997

Appl. No.:

8/885262

Inventors:

Matthew Richard Vargas - San Jose CA

International Classification:

A63C 1701

US Classification:

280 87042

Abstract:

A skateboard comprises a riding platform pivotably mounted to a substantially rigid chassis. The chassis mounts a plurality of wheels arranged in two substantially in-line rows. Embodiments have respectively four and five wheels in each row to redundantly support the weight of the rider. The advantages of the in-line roller skate are thus realized in this skateboard. The steerable wheels are mounted on bearings to individual wheel housings. The wheel housings are rotatably mounted within the chassis to allow steering. The housings are steered by a network of links within the chassis. Steering input to the linkage within the chassis originates from tilting of the riding platform from side to side. A steering arm mounted on the riding platform extends downward into the chassis engaging the steering linkage. A foot operated sliding actuator mounted on the top of the riding platform varies the angle of engagement of the steering arm with the steering linkage.