Articulated sofa bed with locking mechanism
AssigneeAmerican Leather Operations, LLC
InventorThomas A. Garland
Life of this patent
Estimating the term…
Abstract
A seat convertible to a bed. The seat includes a locking mechanism for fixably maintaining a head panel section of the bed in a generally horizontal orientation when the bed is in the deployed configuration and releasing the head panel section from the deployed configuration by a lifting motion. The locking mechanism is connected to the head panel section and a mid-swinging member. The mid-swinging member pivotally attaches to the head panel section and a stationary mounting arm. The stationary mounting arm is fixably attached to a seat frame.
Claims13
A seat convertible to a bed comprising:
- a frame with opposed sides;
- a bed, located between the opposed sides, having a head panel assembly, a middle panel assembly, and a foot panel assembly, each panel assembly supporting a mattress section;
- and
- an apparatus having (i) a rear-swinging member and a mid-swinging member for pivotally attaching to the head panel assembly and the frame and (ii) a front-swinging member for pivotally attaching to the middle panel assembly and the frame, the swinging members controlling the configuration of the head and middle panel assemblies as the bed deploys or retracts between a folded configuration and a deployed configuration,
- the apparatus including a locking mechanism for fixably maintaining the head panel assembly in a generally horizontal orientation when the bed is in the deployed configuration and releasing the head panel assembly from the deployed configuration by a lifting motion applied to the middle panel assembly, wherein the locking mechanism is connected to the head panel assembly and the mid-swinging member,
- wherein the locking mechanism is further connected to the head panel assembly and a connecting arm operatively linked to the middle panel assembly,
- wherein the locking mechanism includes a first linkage member and a second linkage member that pivotally connects to each other, the first linkage member being pivotally connected to the head panel assembly and to the connecting arm, and the second linkage member being pivotally connected to the mid-swinging member.
A seat convertible to a bed comprising:
- an apparatus that controls the configuration of a head panel and a second panel of the bed as the bed deploys or retracts between a folded configuration and a deployed configuration, the apparatus including a seat frame with opposed mounting sides having a forward end and a rear end, each of the mounting sides having (i) a forward-linkage assembly at the forward end and (ii) a rear-linkage assembly at the rear end, the forward-linkage assembly being pivotally connected to the second panel, and the rear-linkage assembly being pivotally connected to the head panel,
- the apparatus including a locking linkage assembly for fixably maintaining the head panel in a generally horizontal orientation when the bed is in the deployed configuration and releasing the head panel from the deployed configuration by a lifting motion applied the second panel,
- wherein the locking linkage assembly pivotally attaches to the head panel and the rear-linkage assembly and to the head panel and a connecting arm pivotally connected to the forward-linkage assembly,
- wherein the locking linkage assembly includes two linkages that form a first four-bar linkage with two linkages common with the rear-linkage assembly,
- wherein the locking linkage assembly forms a truss between a first and a second linkages of the two linkages common with the rear-linkage assembly when the bed is in the deployed configuration.
Dependencies are inferred from the claim text.