Danielle Suzette Hicks

US Patent:

20130062857, Mar 14, 2013

Filed:

Jun 10, 2011

Appl. No.:

13/158183

Inventors:

Mario A. Bollini - Sterling Heights MI, US
Danielle M. DeLatte - Ellicott City MD, US
Harrison F. O'Hanley - Ipswich MA, US
Natasha K. Scolnik - Washington DC, US
Gwyndaf M. Jones - Carlisle MA, US
Daniel D. Frey - Natick MA, US
Benjamin Judge - Tewksbury MA, US
Benjamin H. Gallup - Norfolk MA, US
Danielle Hicks - Modesto CA, US
Nydia Ruleman - Germantown TN, US
Xuefeng Chen - Burke VA, US

International Classification:

B62M 1/16

US Classification:

280246

Abstract:

A manually powered wheelchair includes a first lever associated with a first rear wheel and demountably coupled to a first drivetrain, the first lever having a first brake thereon. The wheelchair also includes a second lever associated with a second rear wheel and demountably coupled to a second drivetrain, the second lever having a second brake thereon. Each drivetrain includes a chainring, a chain, and a freewheel, and each drivetrain has a fixed gear ratio. The freewheel of each drivetrain is actuated by manual pivoting of the lever associated therewith. In use, the wheelchair achieves changes in mechanical advantage when a user shifts the user's hands up and down the first and second levers.

US Patent:

20130015632, Jan 17, 2013

Filed:

Jan 23, 2012

Appl. No.:

13/356585

Inventors:

Mario A. Bollini - Sterling Heights MI, US
Danielle M. DeLatte - Ellicott City MD, US
Harrison F. O'Hanley - Ipswitch MA, US
Natasha K. Scolnik - Washington DC, US
Gwyndaf M. Jones - Carlisle MA, US
Daniel D. Frey - Natick MA, US
Benjamin Judge - Tewksbury MA, US
Benjamin H. Gallup - Norfolk MA, US
Danielle Hicks - Modesto CA, US
Nydia Ruleman - Germantown TN, US
Xuefeng Chen - Burke VA, US

International Classification:

B62M 1/16

US Classification:

280244

Abstract:

A manually powered wheelchair includes a first lever associated with a first rear wheel and demountably coupled to a first drivetrain, the first lever having a first brake thereon. The wheelchair also includes a second lever associated with a second rear wheel and demountably coupled to a second drivetrain, the second lever having a second brake thereon. Each drivetrain includes a chainring, a chain, and a freewheel, and each drivetrain has a fixed gear ratio. The freewheel of each drivetrain is actuated by manual pivoting of the lever associated therewith. In use, the wheelchair achieves changes in mechanical advantage when a user shifts the user's hands up and down the first and second levers.