Bed lift

A lift mechanism mounted to a support for controllably moving a bed, the lift mechanism comprising:

• at least one first drive member connected to a side of the bed, one of the at least one first drive member being a driven first drive member;
• at least one first guide member disposed on a surface of the support, the at least one first guide member having a plurality of first drive features formed as a part thereof;
• at least one second drive member connected to another side of the bed, one of the at least one second drive member being a driven second drive member;
• at least one second guide member disposed on another surface of the support, the at least one second guide member having a plurality of second drive features formed as a part thereof;
• a drive mechanism for driving the driven first drive member;
• and
• a drive shaft enclosed within a bed frame of the bed, the drive shaft operatively coupling the driven first drive member to the driven second drive member so that movement of the driven first drive member results in the driven first drive member and the driven second drive member being driven together,
• wherein the at least one first drive member complements and engages the first drive features and the at least one second drive member complements and engages the second drive features to controllably move the bed between a raised position and a lowered position under action of the drive mechanism.

A lift mechanism mounted to a support for controllably moving a bed, the lift mechanism comprising:

• a first cross bar mounted to a side of the bed;
• a second cross bar mounted to another side of the bed;
• at least one first drive member and at least one first guide block provided on the first cross bar, one of the at least one first drive member being a driven first drive member;
• at least one second drive member and at least one second guide block provided on the second cross bar, one of the at least one second drive member being a driven second drive member;
• at least one first guide member disposed on a surface of the support, the at least one first guide member having a plurality of first drive features formed as a part thereof;
• at least one second guide member disposed on an opposite surface of the support, the at least one second guide member having a plurality of second drive features formed as a part thereof;
• the at least one first guide block being coupled to the at least one first guide member, the at least one second guide block being coupled to the at least one second guide member, the first and the second guide blocks sliding along a lip of the respective first guide member and the respective second guide member;
• a drive mechanism for driving one of the first drive members;
• and
• a drive shaft operatively coupling the driven first drive member to the driven second drive member so that movement of the driven first drive member results in the driven first drive member and the driven second drive member being driven together,
• wherein the at least one first drive member complements and engages the first drive features and the at least one second drive member complements and engages the second drive features to controllably move the bed between a raised position and a lowered position under action of the drive mechanism.

A lift mechanism mounted to a support for controllably moving a bed, the lift mechanism comprising:

• at least one first drive member connected to a side of the bed, one of the at least one first drive member being a driven first drive member;
• at least one first guide member disposed on a surface of the support, the at least one first guide member having a plurality of first drive features formed as a part thereof;
• at least one second drive member connected to another side of the bed, one of the at least one second drive member being a driven second drive member;
• at least one second guide member disposed on another surface of the support, the at least one second guide member having a plurality of second drive features formed as a part thereof;
• a drive mechanism for driving the driven first drive member;
• a drive shaft operatively coupling the driven first drive member to the driven second drive member so that movement of the driven first drive member results in the driven first drive member and the driven second drive member being driven together;
• and
• a storage compartment incorporated into a bed frame of the bed,
• wherein the at least one first drive member complements and engages the first drive features and the at least one second drive member complements and engages the second drive features to controllably move the bed between a raised position and a lowered position under action of the drive mechanism.

A method for positioning a bed between a raised position and a lowered position, the method comprising the steps of:

• attaching a first gear assembly to one side of the bed, the first gear assembly comprising a first sprocket, a second sprocket, and coupling gears coupled to each of the first sprocket and the second sprocket;
• transferring a rotational motion from a drive mechanism to the first sprocket in the first gear assembly;
• coupling the first sprocket to the second sprocket in the first gear assembly so that the rotational motion from first sprocket is transferred to the second sprocket;
• attaching a second gear assembly to another side of the bed, the second gear assembly comprising a third sprocket, a fourth sprocket, and coupling gears coupled to each of the third sprocket and the fourth sprocket;
• coupling a selected sprocket in the first gear assembly to the third sprocket in the second gear assembly, the selected sprocket in the first gear assembly so that the rotational motion from the selected sprocket is transferred to the third sprocket;
• coupling the third sprocket to the fourth sprocket in the second gear assembly so that the rotational motion from the third sprocket is transferred to the fourth sprocket;
• mounting a first frame assembly and a second frame assembly to the support, the first frame assembly comprising two track members coupled to the coupling gears in the first gear assembly, the second frame assembly comprising two track members coupled to the coupling gears of the second gear assembly;
• and
• transferring the rotational motion from the first sprocket, the second sprocket, the third sprocket, and the fourth sprocket to the respective coupling gears to controllably move the bed between a raised position and a lowered position.

A lift mechanism mounted to a support for controllably moving a bed, the lift mechanism comprising:

• at least one bracket mounted to a support;
• a drive mechanism mounted to the at least one bracket;
• at least one spool supported by the at least one bracket;
• and
• a first belt and a second belt wound onto the spool, the second belt overlapping the first belt,
• wherein an end of the first belt and an end of the second belt are secured to different locations of the bed, and
• the first belt and the second belts are wound or unwound from the spool under action of the drive mechanism to controllably move the bed between a raised position and a lowered position.

A lift mechanism mounted to a support for controllably moving a bed, the lift mechanism comprising:

• a first cross bar mounted to a side of the bed;
• a second cross bar mounted to another side of the bed;
• at least one first drive member and at least one first roller wheel provided on the first cross bar, one of the at least one first drive member being a driven first drive member;
• at least one second drive member and at least one second roller wheel provided on the second cross bar, one of the at least one second drive member being a driven second drive member;
• at least one first guide member disposed on a surface of the support, the at least one first guide member having a plurality of first drive features formed as a part thereof;
• at least one second guide member disposed on an opposite surface of the support, the at least one second guide member having a plurality of second drive features formed as a part thereof;
• the at least one first roller wheel being coupled to the at least one first guide member, the at least one second roller wheel being coupled to the at least one second guide member, the first and the second roller wheels rolling along a side of the respective first guide member and the respective second guide member;
• a drive mechanism for driving one of the first drive members;
• and
• a drive shaft operatively coupling the driven first drive member to the driven second drive member so that movement of the driven first drive member results in the driven first drive member and the driven second drive member being driven together,
• wherein the at least one first drive member complements and engages the first drive features and the at least one second drive member complements and engages the second drive features to controllably move the bed between a raised position and a lowered position under action of the drive mechanism.