Claims
- 1. A rocker-recliner chair comprising in combination, a support base, a rocker cam assembly mounted on the base, a seat and armrest fixed to each other as a unitary structure, a footrest, footrest linkage means mounting the footrest to the seat for movement between retracted and extended positions, seat linkage means mounting the seat to the rocker cam assembly for movement relative to the rocker cam assembly in response to the weight of a chair occupant, linkage means interconnecting the seat linkage and the footrest linkage for driving the footrest linkage to place the footrest into extended position as the seat moves relative to the rocker cam assembly, and a release means preventing the seat from moving relative to the rocker cam assembly when the footrest is retracted.
- 2. The chair defined in claim 1 wherein said seat linkage mounts the seat for rotational movement relative to the rocker cam assembly about an axis which is fixed relative to the seat and the rocker cam assembly.
- 3. The chair defined in claim 2 wherein said seat linkage includes a pivot at a front end portion of the seat about which the seat is rotatable relative to the rocker cam assembly.
- 4. The chair defined in claim 3 wherein said rocker cam assembly includes a rocker cam link fixed to cams, said seat linkage including a seat link fixed to the seat and wherein, said rocker cam link and said seat link are pivotally connected to each other at said pivot defined in claim 3.
- 5. The chair defined in claim 1 further including a handle mounted to the seat at one side of the chair for operating said release to place the chair into reclining position with the footrest extended.
- 6. The chair defined in claim 1 further including a rock-blocking means for preventing forward-rearward rocking of the chair once the footrest has been moved to extended position.
- 7. The chair defined in claim 6 further including a backrest, backrest linkage means mounting the backrest to the seat while being connected to the rocker cam assembly such that the backrest is retained against movement relative to the seat and rocker-cam assembly when the footrest is in retracted position but is freed to move relative to the seat and the rocker cam assembly once the footrest is extended to enable the seat to be placed into advanced reclining positions upon exertion of pressure on the backrest.
- 8. The chair defined in claim 7 further including means interconnecting the backrest linkage and the rock-blocking means for raising the front end of the rocker cam assembly when the backrest is moved relative to the seat to place the seat into advanced reclining position.
- 9. The chair defined in claim 6 wherein said rock-blocking means includes a constraining link pivotally connected to the base, a keeper link pivotally mounted intermediate its ends to the rocker cam assembly and being pivotally connected at one end portion to the constraining link, a pin link connected to the seat linkage and having a locking pin, said keeper link having a slot adopted to receive the locking pin, and a keeper actuating and control link pivotally connected to the pin link and the keeper link.
- 10. The chair defined in claim 8 wherein said rock-blocking means includes a constraining link pivotally connected to the base, a keeper link pivotally mounted intermediate its ends to the rocker cam assembly and being pivotally connected at one end portion to the constraining link, a pin link connected to the seat linkage and having a locking pin, said keeper link having a slot adopted to receive the locking pin, and a keeper actuating and control link pivotally connected to the pin link and the keeper link.
- 11. A rocker-recliner chair comprising in combination, a support base, a rocker cam assembly mounted on the base, a seat and armrest fixed to each other as a unitary structure, a footrest, footrest linkage means mounting the footrest to the seat for movement between a retracted and extended position, seat linkage means mounting the seat to the rocker cam assembly for rotation relative to the rocker cam assembly about an axis located at the front portion of the seat and which axis is fixed relative to the seat and the rocker cam assembly, and means for driving the footrest linkage to place the footrest into extended position as the seat rotates relative to the rocker cam assembly.
- 12. The chair defined in claim 11 wherein the seat rotates downwardly about said axis towards the rocker cam assembly when the footrest is extended, and wherein there is further included means for placing the seat into advanced reclined positions relative to the rocker cam assembly during which the seat rotates upwardly about said axis away from the rocker cam assembly.
- 13. A rocker recliner chair comprising a base, a rocker cam assembly mounted on the base for rocking movement relative thereto, a seat, linkage means mounting a seat relative to the rocker cam assembly, said linkage means including a seat link extending generally in a forward-rearward direction of the chair while being fixed to the seat and being mounted for rotation relative to the rocker cam assembly about an axis located at a front portion of the chair and which is fixed relative to the seat link and the rocker cam assembly, a backrest, backrest linkage mounting the backrest relative to the seat, linkage means mounting a portion of the backrest linkage relative to the rocker cam assembly at a rear portion of the seat thereby mounting the rear portion of the seat relative to the rocker cam assembly, footrest linkage means mounting the footrest to the seat for movement between a retracted positions extending below the front of the seat and an extended position projected forwardly from the front of the seat, means for driving the footrest between said retracted and extended positions thereof, a rock-blocking means preventing forward-rearward rocking movement of the rocking cam assembly relative to the base when the footrest is in said extended position, and linkage means interconnecting the rock-blocking means and said linkage which mounts part of said backrest linkage to the rocker cam assembly whereby said rock-blocking means is actuated to prevent forward-rearward rocking movement of the rocker cam assembly relative to the base when the footrest is extended.
- 14. A rocker-recliner chair comprising in combination, a base support, a rocker cam assembly mounted on the base support, a seat, linkage means mounting the seat to the rocker cam assembly, a footrest, a footrest linkage mounting the footrest to the seat for movement between extended and retracted positions, said footrest linkage including a footrest mounting link pivotally mounted to the seat for movement between extended and retracted positions, linkage means for actuating the footrest mounting link for purposes of extending the footrest, rock-blocking means for preventing forward-rearward rocking movement of the rocker cam assembly on the base support, said rock-blocking means including a constraining link pivotally mounted to the base support, a keeper link having a slot and being pivotally mounted to the rocker cam assembly and pivotally connected to the constraining link, a pin link having a pin adapted to be received in said slot of the keeper link when the footrest is moved to extended position to prevent forward-rearward rocking movement of the rocker cam assembly when the footrest is in extended position, said pin link being operatively connected to said linkage means which actuates the footrest mounting link, and a link interconnecting the pin link and the keeper link for actuating and controlling the keeper link.
- 15. A linkage system for a rocker-recliner chair of the type including a base, a rocker cam assembly mounted on the base, a seat mounted on the rocker cam assembly for movement with the rocker cam assembly during forward-rearward rocking movement relative to the base and also being movable relative to the rocker cam assembly placing the seat into reclining positions, a backrest mounted relative to the seat and the rocker cam assembly, for movement with the seat and also for movement relative to the seat, a footrest mounted to the seat for movement between a retracted position at the front of the seat and an extended position projected forwardly from the front of the seat; the linkage system comprising a seat link adapted to be fixed to an associated seat to extend generally in the forward-rearward direction of the associated chair, a cam link adapted to be mounted to an associated rocking cam, a seat link being mounted at a front end portion thereof relative to the cam link for rotation about an axis which is fixed relative to the seat and cam links, a backrest linkage adapted to mount the associated backrest relative to the seat link, the backrest linkage including a backrest link pivotally mounted to the seat link, and linkage mounting the backrest link relative to the cam link, a footrest linkage adapted to mount the associated footrest to the seat, the footrest linkage including a footrest mounting link pivotally mounted to the seat link, a draw bar link interconnecting the footrest mounting link and the linkage which mounts the backrest mounting link to the cam link, a rock-blocking linkage including a keeper link pivotally mounted to the cam link and having a slot therein, a constraining link pivotally connected to one end portion of said keeper link and adapted to be pivotally mounted to the associated base, a pin link having one end portion including a pin adapted to be received in said slot of said keeper link when the footrest linkage is extended, said pin link having an opposite end portion pivotally connected to said draw bar to be movable thereby, and an actuating and control link for the keeper link, said actuating and control link being pivoted at one end portion thereof to said pin link and being pivoted to an opposite end portion thereof to said keeper link.
- 16. The linkage system defined in claim 15 wherein said linkage which mounts said backrest mounting link relative to the cam link includes a first link pivotally mounted to said backrest mounting link and also being pivotally mounted to said cam link, and a second link having its opposite ends pivotally mounted to said first link and said cam link.
- 17. The linkage system defined in claim 16 wherein said draw bar link retains the seat against movement relative to the cam link when the footrest linkage is retracted and wherein there is included means for releasing the draw bar to permit the seat to be moved relative to the cam link about said fixed axis of rotation while the footrest linkage moves to extended position.
- 18. The linkage system defined in claim 17 wherein said means for releasing the draw bar link includes a handle mounted on one side of the seat link.
- 19. The linkage system defined in claim 18 wherein the seat link is moved relative to the cam link about said fixed axis of rotation and the footrest linkage is moved to extended position by the weight of an occupant of the associated chair when said handle is moved to release position.
- 20. A rocker-recliner chair comprising in combination, a support base, a rocker cam assembly mounted on the base, a seat and armrest fixed to each other as a unitary structure, a footrest, footrest linkage means mounting the footrest to the seat for movement between retracted and extended positions, seat linkage means mounting the seat to the rocker cam assembly for movement relative to the rocker cam assembly, linkage means interconnecting the seat linkage and the footrest linkage for driving the footrest linkage to place the footrest into extended position as the seat moves relative to the rocker cam assembly, means preventing the seat from moving relative to the rocker cam assembly when the footrest is retracted, and wherein said rocker cam assembly includes a rocker cam, and said seat linkage includes a seat link fixed to the seat and pivoted to a front end portion of the rocker cam for mounting the seat for rotation relative to the rocker cam about an axis which is fixed relative to the seat and the rocker cam.
.Iadd.RELATED APPLICATIONS
The present application is a continuation-in-part of my prior copending application Ser. No. 292,700, filed Aug. 13, 1981, now U.S. Pat. No. 4,418,957, entitled Recliner Chair With Improved Actuation which, in turn, is a continuation-in-part of U.S. application Ser. No. 199,595, filed Oct. 22, 1980, entitled Recliner Chair With Improved Actuation, now U.S. Pat. No. 4,350,387. The present application is also related to U.S. patent application Ser. No. 264,144, filed May 15, 1981, now U.S. Pat. No. 4,350,386, entitled Recliner Chair With Improved Actuation which, in turn, is another continuation-in-part of U.S. application Ser. No. 199,595, now U.S. Pat. No. 4,350,387 identified above. .Iaddend.
US Referenced Citations (3)
Foreign Referenced Citations (1)
Number |
Date |
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1427591 |
Mar 1976 |
GBX |
Continuation in Parts (2)
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292700 |
Aug 1981 |
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199595 |
Oct 1980 |
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Reissues (1)
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457181 |
Jan 1983 |
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