초록 ▼

A chair, in particular a work or office chair, having a seat mounted onto a chair frame. The front region of the seat can be inclined about a horizontal, pivoting shaft which is displaced upwards and downwards, following a spatial guide curve in relation to the chair frame. The seat is also connecte

A chair, in particular a work or office chair, having a seat mounted onto a chair frame. The front region of the seat can be inclined about a horizontal, pivoting shaft which is displaced upwards and downwards, following a spatial guide curve in relation to the chair frame. The seat is also connected in an articulated manner to a rocker which is directed upwards and extends backwards from an articulated rocker bearing fixed to the chair frame and which is connected at a distance from the rear edge of the seat, or at the side of said seat. The chair also includes a backrest which is attached to the section of the rocker that is directed upwards, the inclination of the backrest being disproportionately altered, in a forced manner, with the alteration of the inclination of the seat. This invention achieves an increased apex angle between the backrest and the seat, together with a uniform displacement because the backrest is coupled to the rocker by a coupling point and the seat is also coupled to the backrest by a control lever assembly, which is used to incline the backrest backwards in relation to the rocker, when the seat is inclined.

대표청구항 ▼

A chair, in particular a work or office chair, having a seat mounted onto a chair frame. The front region of the seat can be inclined about a horizontal, pivoting shaft which is displaced upwards and downwards, following a spatial guide curve in relation to the chair frame. The seat is also connecte

A chair, in particular a work or office chair, having a seat mounted onto a chair frame. The front region of the seat can be inclined about a horizontal, pivoting shaft which is displaced upwards and downwards, following a spatial guide curve in relation to the chair frame. The seat is also connected in an articulated manner to a rocker which is directed upwards and extends backwards from an articulated rocker bearing fixed to the chair frame and which is connected at a distance from the rear edge of the seat, or at the side of said seat. The chair also includes a backrest which is attached to the section of the rocker that is directed upwards, the inclination of the backrest being disproportionately altered, in a forced manner, with the alteration of the inclination of the seat. This invention achieves an increased apex angle between the backrest and the seat, together with a uniform displacement because the backrest is coupled to the rocker by a coupling point and the seat is also coupled to the backrest by a control lever assembly, which is used to incline the backrest backwards in relation to the rocker, when the seat is inclined. front leg assembly is positioned under the frame and the handle extends adjacent to one side of the frame when the power washer is in the second position. 12. The power washer of claim 10, wherein sliding movement of the one of the front leg assembly and rear leg assembly is limited in one direction, serving as the first stop for rotation of the handle. 13. The power washer of claim 12, wherein sliding movement of the one of the front leg assembly and rear leg assembly is limited in a second direction, serving as a second stop for rotation of the handle at the first position. 14. A power washer comprising: a frame; a prime mover mounted on the frame; a pedestal attached to the frame for supporting the frame and the prime mover, the pedestal comprising: a front leg assembly rotatably mounted relative to the frame; and a rear leg assembly; at least one wheel on the pedestal; and a handle fixed to rotate with the front wheel assembly and having first stop associated therewith, and rotatably mounted relative to the frame, and reconfigurable between a first position in which the handle is at a first angle to the frame, and a user may grasp the handle and roll the power washer on the at least one wheel, and a second position in which the handle is at a second angle to the frame and prevented from further rotation by the first stop, and the power washer is hung by the handle and the prime mover is supported substantially horizontally. 15. The power washer of claim 14, wherein the handle is offset relative to the front leg assembly, wherein the front leg assembly is positioned under the frame and the handle extends adjacent to one side of the frame when the power washer is in the second position. 16. A power washer comprising: a frame; a prime mover mounted on the frame; a pedestal attached to the frame for supporting the frame and the prime mover, the pedestal comprising: a front leg assembly; and a rear leg assembly rotatably attached to the front leg assembly; at least one wheel on the pedestal; and a handle having a first stop associated therewith, and rotatably mounted relative to the frame, and reconfigurable between a first position in which the handle is at a first angle to the frame, and a user may grasp the handle and roll the power washer on the at least one wheel, and a second position in which the handle is at a second angle to the frame and prevented from further rotation by the first stop, and the power washer is hung by the handle and the prime mover is supported substantially horizontally. 17. The power washer of claim 16, wherein one of the front leg assembly and the rear leg assembly is slidingly mounted to the frame. 18. A power washer comprising: a frame; a prime mover mounted on the frame; a pedestal attached to the frame for supporting the frame and the prime mover, the pedestal comprising: a front leg assembly rotatably mounted relative to the frame; and a rear leg assembly; at least one wheel on the pedestal; a handle having a first stop associated therewith, and rotatably mounted relative to the frame, and reconfigurable between a first position in which the handle is at a first angle to the frame, and a user may grasp the handle and roll the power washer on the at least one wheel, and a second position in which the handle is at a second angle to the frame and prevented from further rotation by the first stop, and the power washer is hung by the handle and the prime mover is supported substantially horizontally; and a locking mechanism for locking movement of the front leg assembly and the rear leg assembly when the handle is in at least one of the first position and second positions. 19. A power washer comprising: a frame; a prime mover mounted on the frame; a handle attached to the frame; a front leg assembly rotatably attached to the frame; and a rear leg assembly rotatably attached to the front leg assembly, wherein the rear leg assembly and the front leg a ssembly are reconfigurable between a first position in which the rear leg assembly and the front leg assembly are separated such that they may support the power washer, and a second position in which the front leg assembly and the rear leg assembly are closer to one another than in the first position. 20. The power washer of claim 19, wherein one of the front leg and the rear leg assembly is slidingly mounted to the frame. 21. The power washer of claim 20, wherein sliding movement of the one of at least one the front leg and the rear leg assembly relative to the frame is limited in one direction, serving as a first stop for preventing rotation of the front leg assembly and the rear leg assembly beyond the first position. 22. The power washer of claim 21, wherein sliding movement of the rear leg assembly is limited in a second direction, serving as a second stop for rotation of the front leg assembly and the rear leg assembly beyond the second position. 23. The power washer of claim 20, wherein at least one wheel is attached to the rear leg assembly. 24. The power washer of claim 23, wherein there are two wheels attached to the rear leg assembly. 25. The power washer of claim 19, wherein the handle is mounted for rotation relative to the frame. 26. The power washer of claim 25, wherein the front leg assembly is fixed to rotate with the handle. 27. The power washer of claim 26, wherein the handle is offset relative to the front leg assembly, wherein the front leg assembly is positioned under the frame and the handle extends adjacent to one side of the frame when the rear leg assembly and front leg assembly are in the second position. 28. A power washer comprising: a frame; a prime mover mounted on the frame; a handle rotatably attached to the frame; a front leg assembly rotatably attached to the frame; at least one wheel attached to the rear leg assembly; and a rear leg assembly rotatably attached to at least one of the front leg assembly and the frame, wherein the rear leg assembly, the handle, and the front leg assembly are reconfigurable between a first position in which the rear leg assembly and the front leg assembly are separated such that they may support the power washer and a user may grasp the handle and roll the power washer on the at least one wheel, and a second position in which the front leg assembly and the rear leg assembly are closer together than in the first position and the power washer may be hung by the handle and the prime mover is supported substantially horizontally. 29. The power washer of claim 28, wherein one of the front leg assembly and the rear leg assembly is slidingly mounted to the frame, and is rotatably mounted to the other of the front leg assembly and the rear leg assembly. 30. The power washer of claim 29, wherein sliding movement of the one of the front leg assembly and the rear leg assembly is limited in one direction, serving as a first stop for rotation of the handle beyond the first position. 31. The power washer of claim 29, wherein sliding movement of the one of the front leg assembly and the rear leg assembly is limited in a second direction, serving as a second stop for rotation of the handle beyond the second position. 32. The power washer of claim 28, wherein there are two wheels attached to the rear leg assembly. 33. The power washer of claim 28, wherein the front leg assembly is fixed to rotate with the handle. 34. The power washer of claim 33, wherein the handle is offset relative to the front leg assembly, wherein the front leg assembly is positioned under the frame and the handle extends adjacent to one side of the frame when the power washer is in the second position. 35. The power washer of claim 28, further comprising a locking mechanism for locking movement of the front leg assembly and the rear leg assembly when in at least one of the first second positions.