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    • 4. 发明申请
    • TILT LIMIT AND LOCKING MECHANISM FOR A CHAIR
    • 椅子的倾斜限制和锁定机构
    • WO2009127863A4
    • 2010-06-10
    • PCT/GB2009050363
    • 2009-04-14
    • SIMCLAR SEATING TECHNOLOGIES LROBERTS SIMONJONES MARK
    • ROBERTS SIMONJONES MARK
    • A47C1/032
    • A47C1/03255A47C1/03238
    • A chair has a back (2) and a seat part (1), which are pivoted at an axis (8), and to a fixed body (5) at a main pivot (7). An arm (16) is connected to the axis (8) by a link which is displaced by pivoting of the back (2), thereby moving the (arm16) reciprocally. The other end of the arm (16) is connected to a secondary pivot (15), which orbits the main pivot (7) on a further link. Main pivot (7) carries a latch (14) which is adapted to engage withstepped detents (21) on the upper edge of arm (16), while secondary pivot (15) carries a second latch (13) which is adapted to engage with stepped detents (18) formed in the base of body (5). The (arm16) is displaced by rotation of the link to pivot (8) so that latch (14) can engage with different ones of the detents (21), and at the same time displaceable latch (13) to engage with different ones of the fixed detents (18). Respective pivoted bell-crank levers (11) and (12) are also pivoted on axis (8), and have first respective ends which bear on respective latches (13 and 14), and second ends which bear a (cam10) carried on an axis which can be turned by a handle, to engage or disengage the latches. A tilt limiting device is provided by latch (13,14) engaging with stepped detents (119).
    • 椅子具有在轴线(8)处枢转的后部(2)和座椅部分(1),以及在主枢轴(7)处的固定体(5)。 臂(16)通过由后部(2)的枢转而移动的连杆连接到轴线(8),从而使(臂16)往复移动。 臂(16)的另一端连接到辅助枢轴(15),该枢轴绕枢轴(7)在另一个连杆上轨道运动。 主枢轴(7)承载一个闩锁(14),该闩锁适于与臂(16)的上边缘上的步进棘爪(21)接合,而次枢轴(15)承载第二闩锁(13) 形成在主体(5)的基部中的台阶式制动器(18)。 (臂16)通过连杆的旋转而枢转枢转(8),使得闩锁(14)可以与不同的棘爪(21)接合,并且同时可移动的闩锁(13)与不同的棘爪 固定掣子(18)。 相应的枢轴式曲柄杆(11)和(12)也在轴线(8)上枢转,并且具有承载在相应的闩锁(13和14)上的第一相应的端部,并且承载一个(cam10)的第二端承载在 轴可以由手柄转动,以使锁闩接合或脱开。 倾斜限制装置由与步阶棘爪(119)接合的闩锁(13,14)提供。
    • 6. 发明申请
    • TILT LIMIT AND LOCKING MECHANISM FOR A CHAIR
    • 倾斜限制和锁定机制
    • WO2009127863A3
    • 2010-01-21
    • PCT/GB2009050363
    • 2009-04-14
    • SIMCLAR SEATING TECHNOLOGIES LROBERTS SIMONJONES MARK
    • ROBERTS SIMONJONES MARK
    • A47C1/032
    • A47C1/03255A47C1/03238
    • A chair has a back (2) and a seat part (1), which are pivoted at an axis (8), and to a fixed body (5) at a main pivot (7). An arm (16) is connected to the axis (8) by a link which is displaced by pivoting of the back (2), thereby moving the (arm16) reciprocally. The other end of the arm (16) is connected to a secondary pivot (15), which orbits the main pivot (7) on a further link. Main pivot (7) carries a latch (14) which is adapted to engage withstepped detents (21) on the upper edge of arm (16), while secondary pivot (15) carries a second latch (13) which is adapted to engage with stepped detents (18) formed in the base of body (5). The (arm16) is displaced by rotation of the link to pivot (8) so that latch (14) can engage with different ones of the detents (21), and at the same time displaceable latch (13) to engage with different ones of the fixed detents (18). Respective pivoted bell-crank levers (11) and (12) are also pivoted on axis (8), and have first respective ends which bear on respective latches (13 and 14), and second ends which bear a (cam10) carried on an axis which can be turned by a handle, to engage or disengage the latches. A tilt limiting device is provided by latch (13,14) engaging with stepped detents (119).
    • 椅子具有在轴线(8)处枢转的靠背(2)和座位部分(1)以及在主枢轴(7)处的固定体(5)。 臂(16)通过连接件与轴(8)连接,该连接件通过背部(2)的枢转而移位,由此使(臂16)往复移动。 臂(16)的另一端连接到辅助枢轴(15),辅助枢轴(15)在另一个连杆上围绕主枢轴(7)旋转。 主枢轴7带有一个适于与臂16的上边缘上的制动掣子21啮合的闩锁14,而辅助枢轴15带有一个第二闩锁13, 形成在主体(5)的基部中的阶梯式制动器(18)。 (臂16)通过连杆转动到枢轴(8)而移动,使得闩锁(14)可以与不同的止动件(21)接合,并且同时可移动的闩锁(13)与不同的 固定棘爪(18)。 各枢轴式曲柄杠杆(11)和(12)也在轴线(8)上枢转,并且具有分别支承在相应的闩锁(13和14)上的第一端部和支承(凸轮10) 可以通过手柄转动的轴,以啮合或脱离锁闩。 倾斜限制装置通过与阶梯形棘爪(119)接合的闩锁(13,14)提供。