Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
188 words
A chair comprising a chair body, a horizontal stationary track adapted to be supported on a floor, means for mounting said chair body on said stationary track for horizontal longitudinal sliding movement of said body relative to said stationary track, a seat link, linkage mechanism connecting said seat link with said body to permit movement of the seat link from upright chair position to inclined position and back from inclined position to upright position, and linkage connecting said stationary track with said linkage mechanism, to cause said body to move longitudinally forwardly relative to said stationary track while being slidably supported on said stationary track, as said seat link moves from upright chair position to inclined chair position, and to move said body rearwardly relatively to said stationary track as said seat link moves back from inclined position to upright position, said linkage comprising a first link pivoted to said body, a second link pivoted to said stationary track and to said first link, a third link pivoted to said linkage mechanism, and means to movably interconnect said third link to one of said first and second links.
Claim 2
Dependent Claim
188 words
A chair comprising a chair body, a horizontal stationary track adapted to be supported on a floor, means for mounting said chair body on said stationary track for horizontal longitudinal sliding movement of said body relative to said stationary track, a seat link, linkage mechanism connecting said seat link with said body to permit movement of the seat link from upright chair position to inclined position and back from inclined position to upright position, and linkage connecting said stationary track with said linkage mechanism, to cause said body to move longitudinally forwardly relative to said stationary track while being slidably supported on said stationary track, as said seat link moves from upright chair position to inclined chair position, and to move said body rearwardly relatively to said stationary track as said seat link moves back from inclined position to upright position, said linkage comprising a first link pivoted to said body, a second link pivoted to said stationary track and to said first link, a third link pivoted to said linkage mechanism, and means to movably interconnect said third link to one of said first and second links.
Claim 3
Dependent Claim
80 words
The combination of claim 1, a legrest member, means for projecting and retracting said legrest member, means to connect said linkage mechanism to said legrest member projecting means, and said means to connect said linkage to said linkage mechanism, including means to actuate said legrest member projecting means for projecting said legrest member upon moving said seat link from upright position to inclined position, and for retracting said legrest member upon moving said seat link from inclined to upright position.
Claim 4
Dependent Claim
81 words
The combination of claim 1, said means for mounting said chair body on said stationary track comprising a horizontal movable track fixed to said body, a wheel rotatably mounted on the stationary track and having rolling contact with an undersurface of said movable track, and a wheel rotatably mounted on said movable track and having rolling contact with a top surface of said stationary track adjacent the upper end of said stationary track and being located above the first mentioned wheel.
Claim 5
Dependent Claim
45 words
The combination of claim 3, said wheel which is rotatably mounted on said movable track being located near the rear end of said movable track, said wheel which is rotatably mounted on said stationary track being located near the front end of said stationary track.
Claim 6
Dependent Claim
70 words
The combination of claim 4, said stationary track comprising a flange projecting up between the wheel on the movable track and a portion of the movable track on which the wheel on the movable track is mounted, the movable track having a downwardly extending flange extending between the wheel on the stationary track and a portion of the stationary track on which the wheel on the stationary track is mounted.
Claim 7
Dependent Claim
21 words
The combination of claim 5, and bumper buttons on said tracks to limit sidewise movement of said tracks toward each other.
Claim 8
Dependent Claim
21 words
The combination of claim 1, and a foot attached to the front end of the stationary track and projecting forwardly thereof.
Claim 9
Dependent Claim
103 words
The combination of claim 1, said means for mounting said chair body on said stationary track comprising a horizontal movable track fixed to said body, a wheel rotatably mounted on the stationary track and having rolling contact with an undersurface of said movable track, and a wheel rotatably mounted on said movable track and having rolling contact with a top surface of said stationary track, said body comprising side arms, said movable track being located at the outer side of the side arm to which it is attached, and a front cross rail interconnecting said side arms and disposed beneath said movable track.
Claim 10
Dependent Claim
13 words
The combination of claim 8, and metal sheathing on said front cross rail.
Claim 11
Dependent Claim
25 words
The combination of claim 1, said linkage being located on the side of said linkage mechanism toward the middle of the body of the chair.
Claim 12
Dependent Claim
102 words
The combination of claim 10, said means for mounting said chair body on said stationary track comprising a movable track fixed to said body, a wheel rotatably mounted on the stationary track and having rolling contact with an undersurface of said movable track, and a wheel rotatably mounted on said movable track and having rolling contact with a top surface of said stationary track, said body comprising side arms, said movable track being located at the outer side of the side arm to which it is attached, and a front cross rail interconnecting said side arms and disposed beneath said movable track.
Claim 13
Dependent Claim
195 words
A chair comprising a chair body, a horizontal stationary track adapted to be supported on a floor, means for mounting said chair body on said stationary track for horizontal longitudinal sliding movement of said body relative to said stationary track, a seat link, linkage mechanism connecting said seat link with said body to permit movement of the seat link from upright chair position to inclined position and back from inclined position to upright position, and linkage connecting said stationary track with said linkage mechanism, to cause said body to move longitudinally forwardly relative to said stationary track while being slidably supported on said stationary track, as said seat link moves from upright chair position to inclined chair position, and to move said body rearwardly relatively to said stationary track as said seat link moves back from inclined position to upright position, said linkage comprising a bellcrank pivoted to said body, a link pivoted to said stationary track, and to said bellcrank and link means pivotally connecting said bellcrank to said linkage mechanism, said link means being pivoted to said bellcrank between the pivotal points of said bellcrank to said body and to said linkage mechanism.
Claim 14
Dependent Claim
195 words
A chair comprising a chair body, a horizontal stationary track adapted to be supported on a floor, means for mounting said chair body on said stationary track for horizontal longitudinal sliding movement of said body relative to said stationary track, a seat link, linkage mechanism connecting said seat link with said body to permit movement of the seat link from upright chair position to inclined position and back from inclined position to upright position, and linkage connecting said stationary track with said linkage mechanism, to cause said body to move longitudinally forwardly relative to said stationary track while being slidably supported on said stationary track, as said seat link moves from upright chair position to inclined chair position, and to move said body rearwardly relatively to said stationary track as said seat link moves back from inclined position to upright position, said linkage comprising a bellcrank pivoted to said body, a link pivoted to said stationary track, and to said bellcrank and link means pivotally connecting said bellcrank to said linkage mechanism, said link means being pivoted to said bellcrank between the pivotal points of said bellcrank to said body and to said linkage mechanism.
Claim 15
Dependent Claim
269 words
A chair comprising a chair body, a horizontal stationary track adapted to be supported on a floor, means for mounting said chair body on said stationary track for horizontal longitudinal sliding movement of said body relative to said stationary track, a seat link, linkage mechanism connecting said seat link with said body to permit movement of the seat link from upright chair position to inclined position and back from inclined position to upright position, and linkage connecting said stationary track with said linkage mechanism, to cause said body to move longitudinally forwardly relative to said stationary track while being slidably supported on said stationary track, as said seat link moves from upright chair position to inclined chair position, and to move said body rearwardly relatively to said stationary track as said seat link moves back from inclined position to upright position, said means for mounting said chair body on said stationary track comprising a horizontal movable track fixed to said body, a wheel rotatably mounted on the stationary track and having rolling contact with an undersurface of said movable track, and a wheel rotatably mounted on said movable track and having rolling contact with a top surface of said stationary track and being located above the first mentioned wheel, said linkage comprising a link pivoted to said stationary track, a bellcrank pivoted to said body and also pivoted to the link which is pivoted to the stationary track, said linkage mechanism comprising a member pivoted to said seat link, and a link pivoted to said bellcrank and also pivoted to the link which is pivoted to said seat link.
Claim 16
Dependent Claim
269 words
A chair comprising a chair body, a horizontal stationary track adapted to be supported on a floor, means for mounting said chair body on said stationary track for horizontal longitudinal sliding movement of said body relative to said stationary track, a seat link, linkage mechanism connecting said seat link with said body to permit movement of the seat link from upright chair position to inclined position and back from inclined position to upright position, and linkage connecting said stationary track with said linkage mechanism, to cause said body to move longitudinally forwardly relative to said stationary track while being slidably supported on said stationary track, as said seat link moves from upright chair position to inclined chair position, and to move said body rearwardly relatively to said stationary track as said seat link moves back from inclined position to upright position, said means for mounting said chair body on said stationary track comprising a horizontal movable track fixed to said body, a wheel rotatably mounted on the stationary track and having rolling contact with an undersurface of said movable track, and a wheel rotatably mounted on said movable track and having rolling contact with a top surface of said stationary track and being located above the first mentioned wheel, said linkage comprising a link pivoted to said stationary track, a bellcrank pivoted to said body and also pivoted to the link which is pivoted to the stationary track, said linkage mechanism comprising a member pivoted to said seat link, and a link pivoted to said bellcrank and also pivoted to the link which is pivoted to said seat link.
Claim 17
Dependent Claim
31 words
The combination of claim 13, said link pivoted to said body having a portion disposed in a vertical plane, when said seat link is in the upright position of the chair.
Claim 18
Dependent Claim
228 words
A chair comprising a chair body, a horizontal stationary track adapted to be supported on a floor, means for mounting said chair body on said stationary track for horizontal longitudinal sliding movement of said body relative to said stationary track, a seat link, linkage mechanism connecting said seat link with said body to permit movement of the seat link from upright chair position to inclined position and back from inclined position to upright position, and linkage connecting said stationary track with said linkage mechanism, to cause said body to move longitudinally forwardly relative to said stationary track while being slidably supported on said stationary track, as said seat link moves from upright chair position to inclined chair position, and to move said body rearwardly relatively to said stationary track as said seat link moves back from inclined position to upright position, a legrest, means to connect said linkage mechanism to said legrest to project said legrest upon moving said seat link from upright position to inclined position, said means to connect said linkage mechanism to said legrest comprising a link pivoted to said seat link, a link pivoted to said stationary track, a bellcrank pivoted to said body and to said link which is pivoted to said stationary track, and a link pivotally connected to said bellcrank and to the link which is pivoted to the seat link.
Claim 19
Dependent Claim
228 words
A chair comprising a chair body, a horizontal stationary track adapted to be supported on a floor, means for mounting said chair body on said stationary track for horizontal longitudinal sliding movement of said body relative to said stationary track, a seat link, linkage mechanism connecting said seat link with said body to permit movement of the seat link from upright chair position to inclined position and back from inclined position to upright position, and linkage connecting said stationary track with said linkage mechanism, to cause said body to move longitudinally forwardly relative to said stationary track while being slidably supported on said stationary track, as said seat link moves from upright chair position to inclined chair position, and to move said body rearwardly relatively to said stationary track as said seat link moves back from inclined position to upright position, a legrest, means to connect said linkage mechanism to said legrest to project said legrest upon moving said seat link from upright position to inclined position, said means to connect said linkage mechanism to said legrest comprising a link pivoted to said seat link, a link pivoted to said stationary track, a bellcrank pivoted to said body and to said link which is pivoted to said stationary track, and a link pivotally connected to said bellcrank and to the link which is pivoted to the seat link.
Claim 20
Dependent Claim
73 words
The combination of claim 15, said means for mounting said chair body on said stationary track comprising a horizontal movable track fixed to said body, a wheel rotatably mounted on the stationary track and having rolling contact with an undersurface of said movable track, and a wheel rotatably mounted on said movable track and being located above the first mentioned wheel and having rolling contact with a top surface of said stationary track.
Claim 21
Dependent Claim
45 words
The combination of claim 16, said wheel which is rotatably mounted on said movable track being located near the rear end of said movable track, said wheel which is movably mounted on said stationary track being located near the front end of said stationary track.
Claim 22
Dependent Claim
70 words
The combination of claim 17, said stationary track comprising a flange projecting up between the wheel on the movable track and a portion of the movable track on which the wheel on the movable track is mounted, the movable track having a downwardly extending flange extending between the wheel on the stationary track and a portion of the stationary track on which the wheel on the stationary track is mounted.
Claim 23
Dependent Claim
21 words
The combination of claim 18, and bumper buttons on said tracks to limit sidewise movement of said tracks toward each other.
Claim 24
Dependent Claim
18 words
The combination of claim 19, and means on said tracks to restrict vertical relative movement between said tracks.