Seat mechanism for vehicle
First Claim
1. A seat mechanism for vehicle, comprising:
- a lower rail fixed to a vehicle floor;
an upper member having an upper rail which is guided by said lower rail to be freely slidable thereon;
a seat back which is pivoted on said upper member, said seat back being movable between an upright position and a forward-tilted position;
a slide lock mechanism for locking said upper member relative to said lower rail when said seat back is in said upright position, and for unlocking said upper rail relative to said lower rail when said seat back is in said forward-tilted position;
a slide-position memory mechanism for remembering an adjusted position of said upper rail relative to said lower rail after said seat back has been pivoted forward to said forward-tilted position so that said upper rail is prevented from moving rearward beyond said adjusted position; and
a forward-tilt holding mechanism for holding said seat back in said forward-tilted position, wherein said forward-tilt holding mechanism includes at least two engaging members which are engaged with each other when said seat back is in said forward-tilted position, and which are disengaged from each other when said seat back is in said upright position, said forward-tilt holding mechanism providing a resistance force in said engagement of one of said two engaging members with the other of said two engaging members during a returning operation of said seat back to said upright position from said forward-tilted position.
1 Assignment
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Accused Products
Abstract
A seat mechanism for vehicle includes a lower rail fixed to a vehicle floor; an upper member having an upper rail guided by the lower rail; a seat back pivoted on the upper member and movable between upright and forward-tilted positions; a slide lock mechanism for locking the upper member relative to the lower rail; a slide-position memory mechanism for remembering an adjusted position of the upper rail relative to the lower rail after the seat back has moved to the forward-tilted position; and a forward-tilt holding mechanism for holding the seat back in the forward-tilted position. The forward-tilt holding mechanism includes engaging members which engage when the seat back is in the forward-tilted position, and disengage when the seat back is in the upright position, the forward-tilt holding mechanism providing a resistance force during a returning operation of the seat back to the upright position.
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Citations
15 Claims
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1. A seat mechanism for vehicle, comprising:
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a lower rail fixed to a vehicle floor;
an upper member having an upper rail which is guided by said lower rail to be freely slidable thereon;
a seat back which is pivoted on said upper member, said seat back being movable between an upright position and a forward-tilted position;
a slide lock mechanism for locking said upper member relative to said lower rail when said seat back is in said upright position, and for unlocking said upper rail relative to said lower rail when said seat back is in said forward-tilted position;
a slide-position memory mechanism for remembering an adjusted position of said upper rail relative to said lower rail after said seat back has been pivoted forward to said forward-tilted position so that said upper rail is prevented from moving rearward beyond said adjusted position; and
a forward-tilt holding mechanism for holding said seat back in said forward-tilted position, wherein said forward-tilt holding mechanism includes at least two engaging members which are engaged with each other when said seat back is in said forward-tilted position, and which are disengaged from each other when said seat back is in said upright position, said forward-tilt holding mechanism providing a resistance force in said engagement of one of said two engaging members with the other of said two engaging members during a returning operation of said seat back to said upright position from said forward-tilted position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A seat mechanism for vehicle, comprising:
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a lower rail fixed to a vehicle floor;
an upper member having an upper rail which is guided by said lower rail to be freely slidable thereon;
a seat back which is pivoted on said upper member, said seat back being movable between an upright position and a forward-tilted position; and
a slide-position memory mechanism for remembering an adjusted position of said upper rail relative to said lower rail after said seat back has been pivoted forward to said forward-tilted position so that said upper rail is prevented from moving rearward beyond said adjusted position, wherein said slide-position memory mechanism comprises;
a memory lock member movable between a memory position in which said memory lock member is immovable relative to said lower rail and a memory release position in which said memory lock member is movable along said lower rail, said memory lock member including one of an engaging projection and an engaging recess which are engageable with each other;
a biasing member for biasing said memory lock member in a direction to said memory position;
a catch lever which is mounted to said upper rail and includes the other of said engaging projection and said engaging recess, said catch lever being movable between an unlocked position, in which said catch lever moves said memory lock member to said memory release position against said biasing member with said engaging projection and said engaging recess remaining engaged with each other, and a locked position, in which said catch lever allows said memory lock member to return to said memory position; and
an operating device for moving said catch lever between said locked position and said unlocked position. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification