Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 8162389 | Locking mechanism for a folding chair A folding chair including a seat frame, a leg frame hinged to the seat frame, a hinge mechanism between the seat frame and the leg frame, a quick-release locking mechanism for releasably locking the seat frame with respect to the leg frame, and a supplemental lockin... | 04/24/2012 |
| 8141943 | Children's chair Children's chair having a height adjusting device and a folding device completes folding up by height adjusting. A first leg frame of the children's chair includes a first upper leg and a first lower leg capable moving relatively. When operating the height adjusting... | 03/27/2012 |
| 8011722 | Foldable frame with detachable infant carrier A foldable frame comprises a front leg frame and a rear leg frame, each having one or more leg units foldable or detachable with one another. The front leg frame and the rear leg frame are rotatable with each other such that the foldable frame can be folded to a sma... | 09/06/2011 |
| 8007039 | Lifting means The invention relates to apparatus which can be used to move a person supported on the apparatus between a lying position in which the apparatus is substantially flat on a support surface and a seating position supported by the apparatus. The apparatus includes a fr... | 08/30/2011 |
| 8002343 | Foldable dining chair for children A foldable dining chair for children comprises a frame body (1) and a seat mechanism disposed thereon. The frame body (1) may be in an open state and a folded state. The frame body (1) is folded in back-and-forth direction and up-and-down direct... | 08/23/2011 |
| 7988228 | Foldable frame with detachable infant carrier capable of reclining the infant carrier A foldable frame comprises a front leg frame and a rear leg frame, each having one or more leg units foldable or detachable with one another. The front leg frame and the rear leg frame are rotatable with each other such that the foldable frame can be folded to a sma... | 08/02/2011 |
| 7954890 | Folding chair A folding chair is disclosed. The chair includes a plurality of legs, including front and back legs, a seat, and a folding unit. The folding unit is attached to the legs and the seat, and it is configured to fold the legs using a force applied to at least one of the... | 06/07/2011 |
| 7896431 | Foldable frame with detachable infant carrier capable of reclining the infant carrier A foldable frame comprises a front leg frame and a rear leg frame, each having one or more leg units foldable or detachable with one another. The front leg frame and the rear leg frame are rotatable with each other such that the foldable frame can be folded to a sma... | 03/01/2011 |
| 7845717 | Stool with telescopic legs A stool with telescopic legs, including a seat and four legs that have a first two legs disposed on a first side of the seat, and a second two legs disposed on a second side of the seat opposite to the first side. The four legs are of the same length. A first end of... | 12/07/2010 |
| 7735911 | Collapsible high chair for children A collapsible high chair for children comprises a frame, a seat portion, a backrest and an adjusting mechanism, all of which are sequentially connected with. The adjusting mechanism further comprises a pivotal member and a first engaging unit for connecting the seat... | 06/15/2010 |
| 7635159 | Collapsing device and child seat using the same A collapsing device for child seat is provided. The collapsing device comprises a operating mechanism mounted on a connecting tube of the child seat, a safety button for preventing an accidental actuation of the operating mechanism, two engaging units disposed in th... | 12/22/2009 |
| 7607724 | Collapsible support structure An apparatus including a support structure movable between an erected position and a collapsed position and including a threaded shaft, a first collapsible assembly having a first portion pivotally mounted on the threaded shaft, a second collapsible assembly having ... | 10/27/2009 |
| 7523984 | Reconfigurable infant activity center An infant activity center comprising: (a) an infant-activity center tray having an infant seat; (b) a ring having a cushion extending across the diameter of the ring; and (c) a plurality of repositionable pylons concurrently mounted to the ring and the tray, the rep... | 04/28/2009 |
| 7513567 | Foldable chair with pull rods A foldable chair with pull rods comprises a front supporter, a back supporter; wherein a width of the front supporter is smaller than that of the back supporter; the back supporter being installed to the front supporter by using two pull rods; a seat pivotally insta... | 04/07/2009 |
| 7490895 | High chair with collapsible frame A collapsible high chair frame including a supporting stand, a seat, a connecting device and a positioning device. The supporting stand is provided with a rear and a front supporting leg which are foldable toward each other. The seat has a base and a back which are ... | 02/17/2009 |
| 7469961 | Collapsible chair A collapsible chair is disclosed having an arcuate frame with an upward peak and a downward peak for seating of a user in the downward peak and resting of the user's legs upon the upward peak. The frame may have a pivotal connection between the peaks for collapsing ... | 12/30/2008 |
| 7455353 | Collapsible bassinet/infant seat with canopy The infant product of the invention is of the type having an infant receptacle suspended from a frame. The infant product is foldable between a deployed position for use and a compact configuration for shipping and storage. In the assembled configuration, the infant... | 11/25/2008 |
| 7441835 | Angle-adjustable backrest device for a child highchair An angle-adjustable backrest device includes a backrest frame and an angle-adjusting device for connecting the backrest frame to a chair. The angle-adjusting device includes a mounting seat mounted on a leg frame and provided with positioning components, and a pivot... | 10/28/2008 |
| 7422275 | Folding push chair A foldable push chair having two side frames, each side frame having a forward strut and a rear strut attached at its uppermost end to the forward strut, and a base strut linking the rear and forward struts, wherein the forward strut has an upper section and a lower... | 09/09/2008 |
| 7410211 | Folding chair with wheels A folding chair with wheels includes a backrest, a seat, a front leg frame and a rear leg frame pivotally connected to both sides of the seat, a plurality of wheel assemblies and a plurality of connection blocks. Each of the front leg frame and the rear leg frame co... | 08/12/2008 |
| 7404601 | Light-weight foldable chair for leisure This invention relates to a light-weight foldable chair for leisure with seat and backrest loop capable to be folded once, which can be used in households, outdoors, in a courtyard, in a park and at the beach. ... | 07/29/2008 |
| 7396073 | Collapsible moon chair A moon chair is configured to collapse in a single movement in which a seat frame is folded while the legs approximate each other. Contemplated moon chairs particularly include those that can be collapsed without separating the seat portion form the leg portion.... | 07/08/2008 |
| 7393050 | Foldable structure of highchair Disclosed is a foldable structure of highchair, the structure includes a slidable folding sleeve arranged at a rear leg and provided with a locking block; the locking block locks with a locking portion of a linking rod connected between the rear leg and seat so as t... | 07/01/2008 |
| 7384097 | Collapsible support frame for furniture A collapsible support frame includes a plurality of segmented legs pivotally connected to an inner surface of a collar, and are held together by an elastic cord. The legs pivot between a folded position and an deployed position. In the folded position, the legs segm... | 06/10/2008 |
| 7374237 | Collapsible support frame A collapsible support frame includes a plurality of frame structures each having frame members joined together by a tension cable. A locking mechanism pivotably connects the frame structures and allows a user to move the frame structures between a folded position an... | 05/20/2008 |
| 7367616 | Folding boat seat A folding boat seat system mountable to a vertical mounting surface such as a bulkhead of the boat. The system includes a seat; a pair of guide followers extending from opposite sides of the seat; a pair of guides mountable to the mounting surface and configured for... | 05/06/2008 |
| 7364228 | Collapsible wheelchair frame A collapsible wheelchair frame having left and right side plates, each having an upper end, a lower end, and a forward end, each forward end forming a forwardly and downwardly and extending leg; left and right seat plates, each seat plate having proximal and distal ... | 04/29/2008 |
| 7334836 | Foldable chair A foldable chair includes a rear leg connected pivotally to a front leg, a carrier frame retained pivotally on the rear leg, a locking seat provided on the front leg and formed with first and second engaging portions, and a slide member mounted to a front arm part o... | 02/26/2008 |
| 7331628 | Folding chair with safety folding device A folding chair with safety folding device comprises a safety hook, a pin, a torsion spring, a bottom cover, a seat, a back, a pair of front legs, a pair of rear legs, a front crossbar, a rear crossbar and a pivotal shaft. The safety hook is employed to position the... | 02/19/2008 |
| 7328942 | Folding chair A sign holding device for a folding chair that allows the user to display customized messages on a back rest of the chair. The sign holder is attached to the back rest in various manners so as to permit messages to be displayed when the chair is unfolded. The sign h... | 02/12/2008 |
| 7316449 | Expandable ambulatory walking device and method of use An expandable ambulatory walking device and method of use are disclosed. In one form, an ambulatory walking device includes an elongated member having a first end and a second end and a rubber contact material coupled to the first end. The device further includes an... | 01/08/2008 |
| 7314247 | Folding device for a highchair A folding device for connecting legs of a highchair includes first and second folding members, a toothed wheel, and an actuator. The first folding member is formed with a positioning groove, and the second folding member is formed with a position limiting unit. The ... | 01/01/2008 |
| 7303228 | Foldable bench A foldable bench having at least a pair of seat sections pivotally connected together. Pivotally mounted to the other side of each seat section is a leg assembly that is movable from a folded position to an extended position. When the bench assumes an unfolded posit... | 12/04/2007 |
| 7293826 | Folding chair with an anti-pinching device A folding chair includes first and second parts each having at least one leg, a total number legs of the first and second parts being at least three. A third part of the chair forms a seat and is pivotally connected to the first and second parts. A connecting assemb... | 11/13/2007 |
| 7281759 | Portable high chair A portable high chair including a flexible seat portion, a flexible tray portion, and a flexible restraint portion secured to both the seat portion and the tray portion. ... | 10/16/2007 |
| 7273249 | Foldable chair A foldable chair includes: a seat supporting frame; a first pivot-pin unit; a first link-plate unit pivoted to the seat supporting frame through the first pivot-pin unit; a pivot joint unit; a backrest pivoted to the first link-plate unit through the pivot joint uni... | 09/25/2007 |
| 7273224 | Tray device for stroller A tray device for a stroller comprises a tray body as well as, at each end of both ends of the tray body, a slider movable relative to the tray body, an operating unit for pushing away the slider, and an elastic member for pushing back the slider. When the operating... | 09/25/2007 |
| 7270371 | Truck slouch seat A vehicle slouch seat includes a cushion frame attached to a seat back frame such that the cushion frame is pivotable from an upright position to a slouch position. The slouch seat is also foldable and stowable against a vehicle cabin wall. Motion between the uprigh... | 09/18/2007 |
| 7252271 | Play apparatus A support for a play apparatus comprising a plurality of legs with each leg having an elongate base member for contacting the ground and an elongate support member arranged substantially perpendicularly to the base member. Each support member is hingably connected t... | 08/07/2007 |
| 7219955 | Anti-pinching device for use in a folding chair A folding chair includes first and second parts each having at least one leg, a total number legs of the first and second parts being at least three. A third part of the chair forms a seat and is pivotally connected to the first and second parts. A connecting assemb... | 05/22/2007 |