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Permobil Ab patents


Recent patent applications related to Permobil Ab. Permobil Ab is listed as an Agent/Assignee. Note: Permobil Ab may have other listings under different names/spellings. We're not affiliated with Permobil Ab, we're just tracking patents.

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Swing arm linkage for a mid-wheel drive wheelchair

The present disclosure relates to a swing arm linkage (1) for a mid-wheel drive wheelchair, comprising: a first swing arm (3) having a first swing arm pivot point (3a) and a linkage member first mounting point (3b), a second swing arm (5) having a second swing arm pivot point (5a) and a linkage member second mounting point (5b), a linkage member (7) configured to be connected to the linkage member first mounting point (3b) and to the linkage member second mounting point (5b), to enable force transfer between the second swing arm (5) and the first swing arm (3), wherein the linkage member (7) has an elongated shape defining a linkage axis (a) extending between the linkage member first mounting point (3b) and the linkage member second mounting point (5b), a first straight line being formed between the first swing arm pivot point (3a) and the linkage member first mounting point (3b), and a second straight line being formed between the second swing arm pivot point (5a) and the linkage member second mounting point (5b), wherein the linkage member first mounting point (3b) and the linkage member second mounting point (5b) are so arranged relative to each other that the sum of an angle α between the linkage axis and a line perpendicular to the first straight line and extending from the linkage member first mounting point and an angle β between the linkage axis and a line perpendicular to the second straight line and extending from the linkage member second mounting point is constant or increasing with increasing ditch angle.. . ... Permobil Ab

Seat arrangement and electrically powered wheelchair comprising the same

The present disclosure relates to a seat arrangement (1) for an electrically powered wheelchair, wherein the seat arrangement comprises (1): a mounting arrangement for mounting the seat arrangement (1) to a chassis of an electrically powered wheelchair, a seat frame (3), a backrest frame (5), a backrest actuator (7), wherein the backrest frame (5) is pivotally coupled to the seat frame (3), forming a first pivot axis (a1), and wherein the backrest frame (5) is pivotally coupled to the backrest actuator (7), forming a translatable second pivot axis (a2), a retaining mechanism (11) arranged to retain the backrest frame (5) in an upright position while the backrest frame (5) is subjected to a forward-tilting force smaller than a threshold value, wherein the retaining mechanism (11) is arranged to allow movement of the backrest frame (5) to a forward-tilted position when the backrest frame (5) is subjected to a forward-tilting force equal to or greater than the threshold value, and a locking mechanism (13) arranged to lock the backrest frame (5) in the forward-tilted position. An electrically powered wheelchair comprising a seat arrangement is also disclosed herein.. ... Permobil Ab

Caster wheel assembly and wheelchair comprising the same

The present disclosure relates to a caster wheel assembly (1) for a wheelchair, comprising: a caster housing (3), a central body (9) having a radially outwards extending flange (9a), which central body (9) is configured to be received by the caster housing (3), a spindle shaft (23) configured to be rotationally locked relative to the central body (9), a first bearing (11) having an inner bearing race (11b) configured to be rotationally locked relative to the spindle shaft (23), a friction member (13; 11a) configured to be rotationally locked relative to the caster housing (3), and a resilient member (15) configured to be arranged between the flange (9a) and the friction member (13), and configured to provide a force between the flange (9a) and the friction member (13) to thereby create friction torque between the caster housing (3) and the spindle shaft (23).. . ... Permobil Ab

Chassis arrangement for an electrically powered wheelchair and an electrically powered wheelchair comprising the same

The present disclosure relates to a chassis arrangement (1) for an electrically powered wheelchair (35). The chassis arrangement (1) comprises a main chassis member (3) having a first side panel (3a) defining a first side of the main chassis member (3), and a second side panel (3b) defining a second side of the main chassis member (3), the second side being opposite to the first side, wherein each of the first side panel (3a) and the second side panel (3b) has spring attachment arrangements (3g, 3h) for attachment of spring assemblies (9a, 9b, 11a, 11b), wherein each of the first side panel (3a) and the second side panel (3b) has pivot arm attachment arrangements (3e, 3f) for attachment of pivot arms (5a, 5b, 7a, 7b), wherein the main chassis member (3) has a torsional stiffness greater than 1200 nm/degree. ... Permobil Ab

Wheelchair comprising wheel axle and hub

The present disclosure relates to a wheelchair comprising a wheel axle (1) having a wheel axle end portion (9) and hub (3) having a central through-opening (11) arranged to receive the wheel axle end portion (9). The wheel axle end portion (9) has an external surface having three chamfered faces (3a, 3b), each chamfered face (3a, 3b) defining a planar surface, and the hub (3) has inner walls (13a, 13b, 13c) defining the central through-opening (11). ... Permobil Ab








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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Permobil Ab in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Permobil Ab with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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