Abstract

A mechanism for tilting a seat or support from horizontal to inclined or even vertical. The mechanism is suitable for use in a chair or a wheelchair. A mechanism for tilting a top frame (A) relative to a lower frame (B) comprising an actuator (H). The top frame (A) is attached to the lower frame (B) by at least two rigid connections (C, D), which first and second rigid connections (C, D) are rotatably mounted relative to both the top frame (A) and the lower frame (B), the first rigid connection (C) is rotatably mounted to the top frame (A) at a first axis (3) and to the lower frame (B) at a second axis (1), the second rigid connection (D) is rotatably mounted to the top frame (A) at a third axis (4) and to the lower frame (B) at a fourth axis (2), the first axis (3) and the third axis (4) are stationary relative to the top frame (A) and the second axis (1) and the fourth axis (2) are stationary relative to the lower frame (B). In a longitudinal direction the top frame (A) comprises a first half part having a first end (9) and a second half part having a second end (10) and upon activation of the actuator (H) the first end (9) is raised above the level of the second end (10). The actuator (H) is mounted rotatably to the top frame (A) at a fifth axis (7) and also the actuator (H) is mounted rotatably to an arm (E) at a sixth axis (8), the arm (E) extends from the first axis (3) and the arm (E) rotates together with the first axis (3).

IPC Classes  ?

• A61G 5/12 - Rests specially adapted therefor, e.g. for the head or feet

Abstract

A combined lift and tilt system including a lower frame, an upper frame, a first lever arm rotatably connected to the lower frame, and a second lever arm rotatably connected to the first lever arm and to the upper frame and in sliding engagement with the lower frame. The system further including a first linear power source rotatably connected to the lower frame and to the first lever arm, and a second linear power source rotatably connected to the upper frame and to the second lever arm.

IPC Classes  ?

• A61G 5/14 - Standing-up or sitting-down aids
• B66F 7/06 - Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement

Abstract

A lift and tilt mechanism (1) is disclosed, comprising a base frame (10) and an upper lever arm (2) rotatably connected to each other by a lower lever arm (3) and a control rod (4), wherein a rotating arm (6) is rotatably connected to an upper lever arm (2), a torque arm (9) is rotatably connected to a lower lever arm (3), and the rotating arm (6) and the torque arm (9) are rotatably connected to each other, and wherein a power source (8) is rotatably connected to the upper lever arm (2) and directly or indirectly to the connection joint (19) for the rotating arm (6) and the torque arm (9), in such a way that an extension of the length of the power source (8) causes its suspension point (11) on the upper lever arm (2) to move in an substantially vertically direction, whereby the upper lever arm (2) is tilted towards a more upright position. Furthermore, a tilt system (21) comprising such a mechanism (1) is disclosed.

IPC Classes  ?

• B66F 7/06 - Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
• B66F 7/08 - Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
• B66F 7/22 - Lifting frames, e.g. for lifting vehicles; Platform lifts with tiltable platforms

Abstract

A combined lift and tilt system (1) is disclosed, which mechanism comprises a lower frame (2), an upper frame (3), a first lever arm (4) rotatably connected to the lower frame (2), a second lever arm (5) rotatably connected to the first lever arm (4) and to the upper frame (3) and in sliding engagement with the lower frame (2), a first linear power source (9) rotatably connected to the lower frame (2) and to the first lever arm (4), a second linear power source (11) rotatably connected to the upper frame (3) and to the second lever arm (5). Furthermore, a wheel chair with a built-in seat hoist comprising such a lift and tilt system (1) is disclosed.

IPC Classes  ?

• B66F 7/06 - Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement

Abstract

A lift and tilt mechanism(1) is disclosed, comprising a base frame (10) and an upper lever arm (2) rotatably connected to each other by a lower lever arm (3) and a control rod (4),wherein a rotating arm (6) is rotatably connected to an upper lever arm (2), a torque arm (9) is rotatably connected to a lower lever arm (3), and the rotating arm (6) and the torque arm (9) are rotatably connected to each other, and wherein a power source(8) is rotatably connected to the upper lever arm (2) and directly or indirectly to the connection joint (19) for the rotating arm (6) and the torque arm (9), in such a way that an extension of the length of the power source (8) causes its suspension point (11) on the upper lever arm (2) to move in an substantially vertically direction, whereby the upper lever arm (2) is tilted towards a more upright position. Furthermore, a tilt system (21) comprising such a mechanism (1) is disclosed.

IPC Classes  ?

• B66F 7/06 - Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
• B66F 7/08 - Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement hydraulically or pneumatically operated
• B66F 7/22 - Lifting frames, e.g. for lifting vehicles; Platform lifts with tiltable platforms

Abstract

A seating furniture chassis (100), which seating furniture chassis comprises: - a frame (105), - abase unit (108), - a tilt system, which comprises: - an elongated tilt base unit (107) having a first (107a) and a second (107b) end, - an elongated main console (104) having a first (104a) and a second end (104a), - an elongated upper main console (103) having a first (103a) and a second (103b) end, - a first linear actuator (106). The first end of the main console (104a) is pivotally connected to the base unit (108) via a first pivot linkage (150). The second end of the main console (104b) is pivotally connected to the tilt base unit via a second pivot linkage (153), which second pivot linkage is located at the first end (107a) of the tilt base unit (107). The first end of the upper main console (103a) is connected pivotally to the base unit (108) via a third pivot linkage (151) and the second end (103b) of the upper main console (103) is connected pivotally to the tilt base unit (107) via a fourth pivot linkage (154), which fourth pivot linkage is located at the first end of the tilt base unit (107) in a position closer to an intermediate part (107c) of the tilt base unit (107) than the position of the second pivot linkage (153). The first linear actuator (106) is located proximate and substantially parallel with the elongated tilt base unit (107) in an end to end direction. The first linear actuator (106) comprises a first actively displaceable slider (101) which is connected with a first lever (102) which is pivotally connected to the upper main console (103) via a fifth pivot linkage (152).

IPC Classes  ?

• A61G 5/14 - Standing-up or sitting-down aids
• A61G 5/104 -
• A61G 5/1059 -

Abstract

A mechanism for a scissor lift (1) or for a tilt system (21) is disclosed, which mechanism comprises a lower frame (2), an upper frame (3), a controlling arm (6), a lifting arm (7) and a power source (8) and is configured in such a way that an extension of the length of the power source (8) causes the lifting arm (7) to pull a fulcrum (14) on the first lever arm (4) or a fulcrum (22) on the second lever arm (5) in a direction away from the lower frame (2), which, in turn, causes the lowermost end of the second lever arm (5) to be pulled towards the lowermost end of the first lever arm (4) and at least one end of the upper frame (3) to be forced away from the lower frame (2). The power source (8) will provide a substantially constant power throughout the motion when the mechanism being used in a scissor lift, whereas, the power source (8) may give maximum power in the beginning of the motion and less power later on in a tilt system. Furthermore, a scissor lift (1) and a tilt system (21) each comprising such a mechanism and a wheel chair comprising such a scissor lift and/or such a tilt system are disclosed.

IPC Classes  ?

• A61G 5/10 - Parts, details or accessories
• B66F 7/06 - Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement