Patents Assigned to Evolution Technologies Inc.
  • Patent number: 11648922
    Abstract: A brake assembly for a manually-operated, height-adjustable wheeled vehicle according to a first aspect includes a brake cable assembly. The brake assembly includes a brake cable housing shaped to enclose an excess portion of the brake cable assembly. The brake assembly includes a cable adjuster coupled to the brake cable assembly. The cable adjuster is enclosed by the brake cable housing. There is additionally provided a wheel fork assembly for a manually-operated, height-adjustable wheeled vehicle according to a first aspect. The vehicle includes a frame member. The wheel fork assembly includes a mount shaped to couple with a lower end of the frame member of the vehicle. The mount has a longitudinal axis. The wheel fork assembly includes a wheel fork having a longitudinal axis offset from the longitudinal axis of the mount. The wheel fork is integrally coupled to and formed with the mount.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: May 16, 2023
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 11220246
    Abstract: A patient transport apparatus includes a height-adjustable assembly having a longitudinal axis. The apparatus includes a brake cable. The brake cable includes an elongate portion extending along the height-adjustable assembly and includes a slack portion. The apparatus includes a brake cable housing coupled to and axially offset from the height-adjustable assembly. The slack portion of the brake cable is enclosed within a hollow interior of the brake cable housing.
    Type: Grant
    Filed: July 22, 2020
    Date of Patent: January 11, 2022
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 10730489
    Abstract: A patient transport apparatus includes a height-adjustable assembly having a longitudinal axis, and a brake assembly comprising a brake cable. The brake cable includes an elongate portion extending along the height-adjustable assembly and a slack portion. The patient transport apparatus further includes a brake cable housing coupled to and axially offset from the height-adjustable assembly. The slack portion of the brake cable is enclosed within a hollow interior of the brake cable housing.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: August 4, 2020
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 10053062
    Abstract: A brake assembly for a height-adjustable walker apparatus is provided. The brake assembly includes a brake actuator, a wheel-engaging brake member and a brake cable assembly. The brake cable assembly includes a flexible, inner cable. The brake cable assembly includes a flexible, outer casing through which the inner cable extends and is moveable relative to. The inner cable has a first end coupled to the brake actuator and a second end coupled to the wheel-engaging brake member. The brake assembly includes a brake cable housing shaped to enclose a slack portion of the brake cable assembly.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: August 21, 2018
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 9744094
    Abstract: There is provided a walker apparatus having a pair of spaced-apart, upright frame members. The walker apparatus includes a seat operatively connected to the upright frame members. The walker apparatus has a backrest cantilevered from the frame members. The backrest has at least one opening extending therethrough for permitting a user's vision past the backrest when the user grips the upright frame members.
    Type: Grant
    Filed: May 9, 2016
    Date of Patent: August 29, 2017
    Assignee: Evolution Technologies Inc.
    Inventors: Julian Liu, Nicolas Cinguino
  • Patent number: 9415635
    Abstract: There is provided a mounting assembly for connecting a wheel fork to a walker apparatus. The assembly comprises a frame portion of the walker apparatus having an upper bore, lower bore, and passageway extending between and positioned radially inwards relative to the bores. The frame portion has a first annular seat located between the upper bore and the passageway. A second annular seat is located between the lower bore and the passageway. The mounting assembly comprises a shaft assembly having a threaded upper end and an annular shoulder positioned below and extending radially outwards relative to the upper end. The annular shoulder is shaped to abut the second annular seat. The shaft assembly includes a lower portion spaced-apart from the upper end and rotatably connecting to the wheel fork. The mounting assembly comprises a connecting member threadably engageable with the upper end and abuttable with the first annular seat.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: August 16, 2016
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 9339432
    Abstract: There is provided a walker apparatus having a pair of spaced-apart, upright frame members. The walker apparatus includes a seat operatively connected to the upright frame members. The walker apparatus has a backrest cantilevered from the frame members. The backrest has at least one opening extending therethrough for permitting a user's vision past the backrest when the user grips the upright frame members.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: May 17, 2016
    Assignee: Evolution Technologies Inc.
    Inventors: Julian Liu, Nicolas Cinguino
  • Patent number: 9180065
    Abstract: There is provided a brake rod assembly for a walker apparatus. The assembly includes a brake rod operatively connected to a brake for braking the walker apparatus. The assembly includes a connection member operatively connected to a brake handle. The assembly includes a gripping member that is spring-biased to slidably receive the brake rod. The gripping member has an adjustment mechanism rigidly connected thereto that adjustably engages a connection member. Actuation of the connection member tilts the gripping member upwards and engages the brake rod for braking the walker apparatus.
    Type: Grant
    Filed: April 15, 2013
    Date of Patent: November 10, 2015
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 9022413
    Abstract: A foldable walker apparatus includes a pair of spaced-apart inner frame members of two parts each hinged together, with a pair of link members diagonally extending therebetween. Each link has a bend extending upwardly and outwardly. The walker has support members that are arc-shaped with a seat extending between their apexes. A collapsible basket is provided with two end members each having a rigid peripheral portion connecting the frame members and a basket member of flexible fabric extending therebetween. A self-adjusting brake rod is provided with a gripping member spring-biased to remain free of the brake rod until the gripping member is operatively actuated to engage and thereby actuate the brake rod. A brake housing fully extends around a brake pad mechanism, including a means for connecting and adjusting the corresponding brake pad, to at least the outer periphery of one of the wheels for fully protecting the brake pad mechanism.
    Type: Grant
    Filed: May 25, 2011
    Date of Patent: May 5, 2015
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 8936256
    Abstract: There is provided a walker apparatus. The walker apparatus has a pair of spaced-apart, arc-shaped support members. The walker apparatus includes a pair of elongate pivot rods operatively connected to respective ones the support members. The walker apparatus includes a laterally-foldable seat. The seat pivotally connects to the support members via the pivot rods. According to one aspect, each support member has an apex. The elongate pivot rods operatively connect to respective ones of the apexes of the support members.
    Type: Grant
    Filed: August 8, 2013
    Date of Patent: January 20, 2015
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Publication number: 20140331401
    Abstract: The present invention relates to a bath seat. The bath seat has a top and a pair of centrally disposed and spaced-apart drainage holes in communication with the top. The top of the seat includes a channel extending between the drainage holes. The channel has an enlarged first end, an enlarged second end and a connecting portion connecting the ends of the channel together. Fluid entering into the channel is directed to the drainage holes and thereby drains from the seat.
    Type: Application
    Filed: July 25, 2014
    Publication date: November 13, 2014
    Applicant: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Publication number: 20140333040
    Abstract: There is provided a collapsible walker having a pair of spaced-apart, operatively interconnected frame members. The walker includes a folding mechanism for selectively bringing together the frame members. The walker includes a collapsible basket. The collapsible basket comprises a pair of substantially planar supports connectable with respective ones of the frame members. The periphery of each of the planar supports has a protruding rim. The collapsible basket also comprises a basket member extending between and being supported by the planar supports.
    Type: Application
    Filed: June 9, 2014
    Publication date: November 13, 2014
    Applicant: Evolution Technologies, Inc.
    Inventor: Julian Liu
  • Patent number: 8864151
    Abstract: There is provided a mounting assembly including a frame portion of the walker apparatus having a first bore and a second bore extending in a direction generally perpendicular to the first bore. The mounting assembly includes a shaft assembly rotatably connected to a wheel fork. The shaft assembly also is partially disposed within the first bore. The shaft assembly has a recess configured to align with the second bore. The mounting assembly includes a securing member threadably engageable with and at least partially disposed within the second bore. The securing member couples to the frame portion of the walker apparatus. The securing member has a tapered end that engages with portions of the shaft assembly surrounding the recess and is a set screw according to one aspect. The shaft assembly is a bolt according another aspect.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: October 21, 2014
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 8602424
    Abstract: There is provided, in combination, a collapsible walker and a collapsible basket. The walker includes a pair of spaced-apart, operatively interconnected frame members. The frame members each have an upper end for placing one's hand and a lower end spaced-apart from the upper end. Ground-engaging wheels are rotatably mounted to the lower ends of the frame members. A folding mechanism allows the frame members to be brought together for folding the walker. The collapsible basket includes a pair of spaced-apart, rigid end members, each being connectable with a respective one of said frame members. A flexible basket member extends substantially about, extends between and is supported by the rigid end members. The end members are moveable towards each other and the basket member thereby folds to collapse the basket when folding the walker.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: December 10, 2013
    Assignee: Evolution Technologies, Inc.
    Inventor: Julian Liu
  • Publication number: 20130320640
    Abstract: There is provided a walker apparatus. The walker apparatus has a pair of spaced-apart, arc-shaped support members. The walker apparatus includes a pair of elongate pivot rods operatively connected to respective ones the support members. The walker apparatus includes a laterally-foldable seat. The seat pivotally connects to the support members via the pivot rods. According to one aspect, each support member has an apex. The elongate pivot rods operatively connect to respective ones of the apexes of the support members.
    Type: Application
    Filed: August 8, 2013
    Publication date: December 5, 2013
    Applicant: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 8573613
    Abstract: There is provided a foldable walker apparatus with a wheel fork and a frame portion having a first end facing the wheel fork, a first bore extending from the first end towards a second end opposite thereof, an exterior disposed between the first end of the frame portion and the second end of the frame portion, and a second bore disposed between the first end of the frame portion and the second end of the frame portion. The second bore extends from the exterior of the frame portion to the first bore in a direction generally perpendicular to the first bore. A shaft couples with the first bore and includes a recess facing the second bore. A bearing outer race couples to the wheel fork and a bearing inner race couples to the shaft. A securing member extends through the second bore and engages with the recess of the shaft.
    Type: Grant
    Filed: October 29, 2010
    Date of Patent: November 5, 2013
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 8517399
    Abstract: There is provided a walker apparatus having a pair of upright, spaced-apart elongate members. Each elongate member includes an upper end for placing one's hands and a lower end spaced-apart from the upper end. A first pair of ground-engaging wheels are rotatably mounted to the elongate members at the lower ends. The apparatus includes a pair of support members that are spaced-apart and arc-shaped. The support members align respectively with and extend from the elongate members to distal ends of the support members. The support members have apexes extending towards the upper ends of the elongate members. A second pair of ground-engaging wheels operatively connect to the distal ends of the support members. The apparatus includes a seat for resting connecting to the apexes of the support members, the support members thereby supporting the seat.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: August 27, 2013
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 8505936
    Abstract: There is provided a wheel mounting assembly having a wheel fork. The fork includes an interior and an inwardly extending protrusion disposed within the interior. The assembly includes a rotatable member operatively connected to the fork and disposed within the interior of the fork. The protrusion abuts and positions in place the rotatable member. The assembly includes a shaft. The rotatable member rotatably connects the shaft to the wheel fork. The assembly includes a retaining member connected to the shaft. The retaining member is configured to abut the protrusion of the fork and thus inhibit dislodgement of the rotatable member from the fork when the shaft is tilted relative to the fork.
    Type: Grant
    Filed: October 28, 2011
    Date of Patent: August 13, 2013
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 8454034
    Abstract: There is provided a brake pad assembly for a walker apparatus. The walker apparatus has a frame and a wheel pivotally connected to the frame. The assembly includes a brake pad mechanism having a brake pad. The brake pad mechanism is spring-biased to position the brake pad spaced-apart from and adjacent to the wheel. The brake pad mechanism is configured to cause the brake pad to abut the wheel when the brake pad mechanism is actuated. The assembly includes an arch-shaped brake housing. The brake pad mechanism pivotally mounts to the arch-shaped brake housing. The arch-shaped brake housing extends completely over the brake pad mechanism for fully protecting the brake pad mechanism.
    Type: Grant
    Filed: July 20, 2012
    Date of Patent: June 4, 2013
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu
  • Patent number: 8267412
    Abstract: There is provided a walker apparatus having a frame, a wheel pivotally connected to the frame, and a brake pad assembly. The assembly has a brake housing configured to partially cover the wheel. The assembly has a brake pad mechanism including a brake pad lever pivotally mounted to the housing. The brake pad lever is actuated via a first end and has a second end spaced-apart therefrom. The brake pad mechanism has a brake pad connected to the brake pad lever adjacent to the second end of the brake pad lever. The brake pad lever is spring-biased to position the brake pad spaced-apart from and adjacent to the wheel. The brake pad lever is configured to cause the brake pad to abut the wheel when the lever is actuated. The brake housing extends about the brake pad mechanism for fully protecting the brake pad mechanism.
    Type: Grant
    Filed: October 11, 2011
    Date of Patent: September 18, 2012
    Assignee: Evolution Technologies Inc.
    Inventor: Julian Liu