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Bed apparatus with urinal and an integral drive mechanism
| Details |
Inventors: Hamaguchi, Yoshiharu;
Assignee: France Bed Co., Ltd. (Tokyo, JP)
Primary Examiner: Grosz; Alexander
Assistant Examiner: Luong; Vinh
Attorney, Agent or Firm: Frishauf, Holtz, Goodman & Woodward
A bed apparatus with an urinal comprises a bed frame placed with a cushion unit thereon, a cover pivotally provided at an opening formed at the cushion unit, a urinal slidably held along the longitudinal direction of the bed frame and mounted with a guide frame along the sliding direction thereof, and a shielding unit pivotally provided to be urged in a upright direction at the top end of the urinal and normally held in horizontal state underneath the cushion unit. The bed apparatus further comprises a wire provided at both ends with stops engageable with the surface faced with a pair of tong pieces projected from the guide frame or the urinal and with a tension spring extending between both ends of the tong pieces, a driving source for reciprocatingly driving the urinal together with the guide frame through the wire, and a connecting rod connected at one end thereof to the cover and at the other to the guide frame for driving the guide frame via the wire to pivot the cover toward the lower side of the bed frame when the urinal faces the opening, thereby releasing the opening. |
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DETAILED DESCRIPTION It is an object of the present invention to provide a bed apparatus with a urinal which can facilitate assembly and can also reduce its cost.
In order to achieve this object, a bed apparatus with urinal according to the present invention comprises a bed frame placed with a cushion unit thereon, a cover pivotally provided at an opening formed at the cushion unit, urinal slidably held along the longitudinal direction of the bed frame and mounted with a guide frame along the sliding direction thereof, and a shielding unit pivotally provided to be urged in an upright direction at the top end of the urinal and normally held in the flat state underneath the cushion unit.
The bed apparatus further comprises a wire provided at both ends with stops engageable with a surface which bears a pair of tong pieces projecting from the guide frame or the urinal, and with a tension spring extending between both ends of the tong pieces, a driving source for reciprocatingly driving the urinal together with the guide frame via the wire, and a connecting rod connected at one end thereof to the cover and at the other to the guide frame to permit driving of the guide frame by means of the wire to pivot the cover toward the lower side of the bed frame when the urinal faces the opening, thereby releasing the opening.
According to the bed apparatus of the invention as described above, the urinal is driven by the wire together with the guide frame.
Accordingly, the bed apparatus can be produced more inexpensively than the conventional bed apparatus which is driven through male threaded shaft and gears, and can also be readily manufactured, as it requires no great assembling accuracy.
In addition, the tension spring is interposed between the ends of the wire, and the tension of the wire is not normally applied to the tension spring so that the spring is not elongated.
Thus, when the wire is elongated due to long use, the tension spring is contracted that much.
Therefore, the bed apparatus has an advantage in that the urinal can be effectively driven via the wire without slippage
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