Recliner chair with wall avoiding action

Claim 2

A wall-avoiding chair comprising in combination, a base, a seat, first linkage means mounting the seat relative to the base for movement between normal and reclining positions, a backrest, second linkage means mounting the backrest relative to the seat for movement relative to the seat between a generally upright position and a reclining position where the backrest extends at an incline relative to the seat, a footrest, third linkage means mounting the footrest for movement between a retracted position adjacent the seat and an extended position projected forwardly from the seat, a control handle connected to the third linkage means for moving the same between extended and retracted positions thereof, fourth linkage means connected between said first and third linkage means for moving the seat forwardly with wall-avoiding action relative to the base in response to movement of the footrest to extended position.

Claim 3

The wall-avoiding defined in claim 1 further including fifth linkage means operatively connected between said second linkage means and said first linkage means for moving said seat forwardly relative to the base when the backrest is moved into a reclining position.

Claim 4

The wall-avoiding chair defined in claim 2 wherein said fifth linkage means is connected to said first linkage means through said fourth linkage means.

Claim 5

The wall-avoiding chair defined in claim 3 further including a sixth linkage means interconnecting said second linkage means and said third linkage means for preventing reclining movement of said backrest when the footrest is in retracted position and for moving the backrest from a fully reclined position to upright position by operation of said control handle.

Claim 6

The wall-avoiding chair defined in claim 1 wherein said first linkage includes first and second closed seat linkages and actuating means interconnecting said seat linkages such that the first seat linkage activates the second seat linkage when the chair is moved into a reclining position.

Claim 7

The wall-avoiding chair defined in claim 5 wherein said first seat linkage includes the seat as part thereof, and said second seat linkage mounts said first seat linkage relative to the base.

Claim 8

The wall-avoiding chair defined in claim 6 wherein said first and second seat linkages include a common, carrier link.

Claim 9

The wall-avoiding chair defined in claim 7 wherein said first seat linkage includes a pair of mounting links interconnected by said carrier link, and wherein said second seat linkage includes a pair of mounting links pivotally mounted to the base at one end and said carrier link at the other end.

Claim 10

The wall-avoiding chair defined in claim 5 wherein said fourth linkage means is connected to said first seat linkage to actuate the same.

Claim 11

The wall-avoiding chair defined in claim 8 wherein said fourth linkage means is connected to said first seat linkage to actuate the same.

Claim 12

The wall-avoiding chair defined in claim 10 wherein said fourth linkage means is connected to one of said mounting links of the first seat linkage to actuate the same.

Claim 13

The wall-avoiding chair defined in claim 11 wherein said actuating means interconnecting said first and second seat linkages is an actuator link having one end operatively connected to one of the mounting links of the second seat linkage and having an opposite end pivotally connected to one of the links of the first seat linkage to actuate the said one mounting link of the second seat linkage when the first seat linkage is actuated to project the seat forwardly with wall-avoiding action.

Claim 14

The wall-avoiding chair defined in claim 12 wherein said third linkage means includes a mounting link pivotally mounted at one end portion thereof to said seat and wherein said fourth linkage means is pivotally connected to said mounting link of said third linkage means to be actuated thereby when the footrest is moved towards extended position.

Claim 15

The wall-avoiding chair defined in claim 13 wherein said fourth linkage means includes a first link pivotally connected to said mounting link of said third linkage means, and a second link pivotally connected to said one of the mounting links of said first closed seat linkage, said first and second links of said fourth linkage means being pivotally interconnected to each other.

Claim 16

The wall-avoiding chair defined in claim 14 further including fifth linkage means connected between said second linkage means and said fourth linkage means for moving said seat forwardly with wall-avoiding action when the chair is moved to reclining position.

Claim 17

The wall-avoiding chair defined in claim 15 wherein said fifth linkage means is connected to said one link of said fourth linkage means.

Claim 18

The wall-avoiding chair defined in claim 16 wherein said second linkage means includes a backrest mounting link pivotally connected to said backrest and pivotally mounted to said seat and further being pivotally connected to the other mounting link of said first seat linkage and wherein said second linkage means further includes an actuator link having one end portion pivotally connected to said backrest and being pivotally mounted intermediate its ends to the seat, said last defined actuator link being pivotally connected to said fifth linkage means to drive the same when the backrest is moved into further reclined positions while the footrest is in extended position.

Claim 19

The wall-avoiding chair defined in claim 14 wherein said second linkage means includes an actuator link pivotally connected to the backrest and being pivotally mounted intermediate its ends to the seat, said actuator link of said second linkage means being pivotally connected to said fifth linkage means to drive the same when the backrest is moved into further reclined positions while the footrest is in extended position.

Claim 20

The wall-avoiding chair defined in claim 17 further including a sequencing link pivotally connected between said mounting link of said third linkage means and said actuator link of said second linkage means to prevent reclining movement of said backrest when the footrest is in retracted position and for moving said backrest from full reclining position to upright position by operation of said control handle.

Claim 21

The wall-avoiding chair defined in claim 19 wherein said sequencing link has an elongated slot adjacent one end thereof and said actuator link of said second linkage has a pivot means received in said slot to interconnect said sequencing link and said actuator link of said second linkage means.

Claim 22

The wall-avoiding chair defined in claim 17 further including stop means on said seat engageable by said backrest mounting link when the backrest is moved to an advanced recline position to thereby determine the full recline position of the backrest.

Claim 23

A linkage system for a wall-avoiding chair of the type including a base, a seat movably mounted on the base for wall-avoiding movement, a backrest connected to the seat and movable relative to the seat between generally upright and reclined positions by the occupant exerting back pressure on the backrest, a footrest movable between a retracted position adjacent the seat and an extended position projected forwardly of the seat; the linkage system comprising in combination, a seat linkage system for mounting the seat relative to the base, a footrest linkage connected at one end to the seat linkage system for extending and retracting the footrest, first actuating means for actuating the footrest linkage to move the footrest between extended and retracted positions, second actuating means including a linkage connected between the seat linkage system and the footrest for initially moving the seat linkage system forwardly relative to the base in wall-avoiding action when the footrest is moved to extended position, and third actuating means including a linkage connected between the seat linkage system and the backrest for further moving the seat linkage system forwardly relative to the base in wall-avoiding action following the initial movement and when the backrest is moved to a reclined position.

Claim 24

A linkage system for a wall-avoiding chair of the type including a base, a seat movably mounted on the base for wall-avoiding movement, a backrest connected to the seat and movable relative to the seat between generally upright and reclined positions by the occupant exerting back pressure on the backrest, a footrest movable between a retracted position adjacent the seat and an extended position projected forwardly of the seat; the linkage system comprising in combination, a seat linkage system for mounting the seat relative to the base, a footrest linkage connected at one end to the seat linkage system for extending and retracting the footrest, first actuating means for actuating the footrest linkage to move the footrest between extended and retracted positions, second actuating means including a linkage connected between the seat linkage system and the footrest for initially moving the seat linkage system forwardly relative to the base in wall-avoiding action when the footrest is moved to extended position, and third actuating means including a linkage connected between the seat linkage system and the backrest for further moving the seat linkage system forwardly relative to the base in wall-avoiding action following the initial movement and when the backrest is moved to a reclined position.

Claim 25

The linkage system defined in claim 22 further including a sequencing linkage connected between the footrest linkage and said third actuating means for preventing reclining movement of the backrest when the footrest is in retracted position.

Claim 26

The linkage system defined in claim 23 further including backrest mounting linkage pivotally mounted on the seat linkage and adapted to be pivotally connected to the backrest to mount the backrest relative to said seat linkage system; said third actuating means being connected to the backrest mounting linkage.

Claim 27

The linkage system defined in claim 22 wherein said seat linkage system includes first and second seat linkages, the first seat linkage including a seat link adapted to be fixed to the seat of the associated chair, a carrier link, and links mounting the seat link to the carrier link, the second seat linkage including said carrier link, and links pivotally connected to the carrier link and adapted to be pivotally connected to the base of the associated chair, and wherein said third actuating means includes said first seat linkage and a link interconnecting said first and second seat linkages such that the first seat linkage will actuate the second seat linkage to move the seat linkage system forwardly relative to the base of the associated chair in wall-avoiding action when the backrest is moved to reclined position.

Claim 28

The linkage system defined in claim 25 wherein the first actuating means includes two links pivotally connected to each other with one link being pivotally connected to the first seat linkage and the other link pivotally connected to the footrest linkage.

Claim 29

The linkage system defined in claim 26 wherein said third actuating means further includes a transmission link pivotally connected to said second actuating means and a link pivotally connected to the transmission link and adapted to be connected to the backrest of the associated chair such that movement of the backrest to a reclined position will be transmitted through said last two defined links to said first actuating means and then to said first seat linkage and then to said second seat linkage driving the same forwardly relative to the base.

Claim 30

A wall-avoiding chair comprising in combination, a base, a seat including rigid armrests, a first linkage means mounting said seat on the base for wall-avoiding movement, a backrest, second linkage means mounting the backrest relative to the seat for movement between generally upright and reclining positions, a footrest, third linkage means mounting the footrest relative to the seat for movement between extended and retracted positions, first actuating means for actuating said third linkage means to move the footrest between said extended and retracted positions thereof, second actuating means connected to said third linkage means for moving said first linkage means to impart initial wall-avoiding movement to the seat when the footrest is moved from retracted to extended position, and third actuating means including linkage connected to the backrest and to said first linkage means for imparting further wall avoiding movement to the seat following the initial movement and when the backrest is moved into a reclining position relative to the seat.

Claim 31

A wall-avoiding chair comprising in combination, a base, a seat including rigid armrests, a first linkage means mounting said seat on the base for wall-avoiding movement, a backrest, second linkage means mounting the backrest relative to the seat for movement between generally upright and reclining positions, a footrest, third linkage means mounting the footrest relative to the seat for movement between extended and retracted positions, first actuating means for actuating said third linkage means to move the footrest between said extended and retracted positions thereof, second actuating means connected to said third linkage means for moving said first linkage means to impart initial wall-avoiding movement to the seat when the footrest is moved from retracted to extended position, and third actuating means including linkage connected to the backrest and to said first linkage means for imparting further wall avoiding movement to the seat following the initial movement and when the backrest is moved into a reclining position relative to the seat.

Claim 32

The wall avoiding chair defined in claim 28 wherein said first actuating means includes a manual handle mounted relative to the seat.