초록 ▼

A combination ambulance cot and chair is disclosed. The invention includes a support frame, and a segmented patient support pivotally mounted to the support frame for movement at least between a chair position and a fully-reclined position. The segmented patient support has a seat segment. A securin

A combination ambulance cot and chair is disclosed. The invention includes a support frame, and a segmented patient support pivotally mounted to the support frame for movement at least between a chair position and a fully-reclined position. The segmented patient support has a seat segment. A securing device is connected functionally to the support frame and the seat segment, and configured to releasably secure the combination ambulance cot and chair in at least the fully-reclined position.

대표청구항 ▼

1. A combination ambulance cot and chair, comprising: a support frame comprising a pair of upper frame members, a lower frame member, and a pair of side arm members pivotally connected at one end to the upper frame member and to the lower frame member adjacent to the other end, said support frame ha

1. A combination ambulance cot and chair, comprising: a support frame comprising a pair of upper frame members, a lower frame member, and a pair of side arm members pivotally connected at one end to the upper frame member and to the lower frame member adjacent to the other end, said support frame having a pair of brackets and a pair of linkages, each of said pair of brackets comprising at least one one-piece member, said pair of brackets mounted to said pair of upper frame members;a segmented patient support pivotally mounted to said support frame for movement at least between a chair position and a fully-reclined position, said segmented patient support has a seat segment and a back segment, said seat segment having a side support; anda securing device connected functionally to said support frame and a proximate end of said side support of said seat segment, and configured to releasably secure said combination ambulance cot and chair in at least the fully-reclined position by a remote actuator, wherein said securing device is provided to one of said pair of brackets, wherein said securing device and support frame provide a pin guide-fixed pin arrangement, andwherein said pair of side arm members are pivotally connected to said pair of brackets at a first position on said one-piece member, and wherein a proximate end of said side support of said seat segment is pivotally connected to said pair of brackets at a second position on said one-piece member, and wherein a proximate end of said pair of linkages is pivotally connected to said pair of brackets at a third position on said one-piece member and a distal end of said pair of linkages is pivotally connected to said lower frame member, and wherein said upper frame members are pivotally connected to said pair of brackets at said first position and said second position, and wherein said second position is intermediate said first position and said third position, wherein said back segment is pivotably attached to said support frame, and wherein when said pair of upper frame members are moved from a chair position to a reclined position, said pair of brackets push said pair of linkages lifting said lower frame member. 2. A combination ambulance cot and chair as claimed in claim 1, wherein said securing device is spring biased and configured to releasably secure said combination ambulance cot and chair additionally in the chair position. 3. A combination ambulance cot and chair as claimed in claim 1, wherein said securing device provides a locking member and a pivot member having a keeper sized to accommodate at least a portion of said locking member, wherein said seat segment is fixed to said pivot member, whereby when said locking member is accommodated in said keeper, said combination ambulance cot and chair is releasably secured in the fully-reclined position. 4. A combination ambulance cot and chair as claimed in claim 1, wherein said securing device provides a pin and a pivot member having a plurality of pin catches each sized to accommodate at least a portion of said pin, wherein said seat segment is fixed to said pivot member, whereby when said pin is accommodated in a first one of said pin catches, said combination ambulance cot and chair is releasably secured in the fully-reclined position, and when accommodated in a second one of said pin catches, said combination ambulance cot and chair is releasably secured in the chair position. 5. A combination ambulance cot and chair as claimed in claim 1, wherein said securing device provides a spring biased pin and pivot member having a plurality of pin catches each sized to accommodate at least a portion of said spring biased pin, said pivot member also includes said pin guide located about a portion of a diameter of a fixed pin of the support frame, and wherein said seat segment is fixed to said pivot member, whereby when said pin is accommodated in a first one of said pin catches, said combination ambulance cot and chair is releasably secured in the fully-reclined position, and when accommodated in a second one of said pin catches, said combination ambulance cot and chair is releasably secured in the chair position. 6. A combination ambulance cot and chair as claimed in claim 1, and said securing device has a pivot member which is fixed to said seat segment. 7. A combination ambulance cot and chair as claimed in claim 1, wherein said pair of brackets mounting a cross-member therebetween at said first position, said support frame further comprising a first pair of legs each pivotably attached to a respective one of said side arm members, and a second pair of legs pivotably attached to said cross-member. 8. A combination ambulance cot and chair as claimed in claim 1, wherein said pair of brackets mounting a cross-member therebetween at said first position, said support frame further comprising a first pair of legs each pivotably attached to a respective one of said side arm members at a location spaced from said pair of brackets, and a second pair of legs pivotably attached to said cross-member, and wherein said securing device has a pivot member which is fixed to said seat segment. 9. A combination ambulance cot and chair as claimed in claim 1, further comprising a wheeled base, said pair of brackets mounting a cross-member therebetween at said first position, said support frame further comprising a first pair of legs each pivotably attached at a first end to a respective one of said side arm members and at a second end to the wheeled base, and a second pair of legs pivotably attached at a first end to said cross-member and at a second end to the wheeled base, and wherein said securing device has a pivot member which is fixed to said seat segment. 10. A combination ambulance cot and chair as claimed in claim 1, wherein said combination ambulance cot and chair further comprises a wheeled base; and legs each having a first end pivotably attached to said support frame and a second end attached to said wheeled base, wherein said combination cot and chair is selectively positionable in either a raised position wherein said legs are substantially perpendicular to said seat segment, and a lowered position wherein at least two of said legs fold under said seat segment. 11. A combination ambulance cot and chair as claimed in claim 1, wherein said support frame further includes a cross member mounted between said pair of brackets at said first position, and said combination ambulance cot and chair further comprises a wheeled base; and first and second pairs of legs, said first pair of legs are each pivotally attached to a respective one of said side arm members and said wheeled base, said second pair of legs pivotally mounted to said cross-member and said wheeled base, wherein said combination cot and chair is selectively positionable in either a raised position wherein said legs are substantially perpendicular to said pair of side arm members, and a lowered position wherein said second pair of legs fold under said seat segment; and at least one diagonal brace pivotally mounted to one of said side arm members and said wheeled base to releasably secure said combination ambulance cot and chair in said raised position. 12. A combination ambulance cot and chair as claimed in claim 1, wherein said segmented patient support further comprises a leg segment pivotably attached to said seat segment. 13. A combination ambulance cot and chair as claimed in claim 1, wherein said segmented patient support further comprises a leg segment, wherein said seat segment and said leg segment are pivotably attached, and wherein said back segment further includes a biasing spring for raising said back segment from a first substantially horizontal position to a plurality of raised positions. 14. A combination ambulance cot and chair as claimed in claim 1, wherein said segmented patient support further comprises a leg segment pivotably attached to said seat segment, wherein said leg segment includes a pivotally mounted footrest panel that extends into a substantially horizontal position when said cot is in said chair position and retracts into a substantially flush position with said leg segment when said cot is in said fully-reclined position. 15. A combination ambulance cot and chair as claimed in claim 1, wherein said segmented patient support further comprises a leg segment pivotably attached to said support frame and said seat segment, wherein said leg segment includes a pivotally mounted footrest that is movable between a retracted position that is substantially flush with said leg segment and an elevated position which places said leg segment above said retracted position. 16. A combination ambulance cot and chair as claimed in claim 1, wherein said segmented patient support further comprises a leg segment pivotably attached to said seat segment, wherein said securing device provides a pin and a pivot member having a plurality of pin catches each sized to accommodate at least a portion of said pin, wherein said seat segment is fixed to said pivot member, whereby when said pin is accommodated in a first one of said pin catches, said combination ambulance cot and chair is releasably secured in the fully-reclined position, and when accommodated in a second one of said pin catches, said combination ambulance cot and chair is releasably secured in the chair position. 17. A combination ambulance cot and chair, comprising: a support frame comprising a pair of upper frame members, a lower frame member, and a pair of side arm members pivotally connected at one end to the upper frame member and to the lower frame member adjacent to the other end, said support frame having a pair of brackets and a pair of linkages, each of said pair of brackets comprising at least one one-piece member, said pair of brackets mounted to said pair of upper frame members;a segmented patient support pivotally mounted to said support frame for movement at least between a chair position and a fully-reclined position, said segmented patient support having a seat segment, a back segment pivotally attached to said support frame, and a leg segment pivotably attached to said seat segment, said pair of side arm members pivotally connected to said pair of brackets at a first position on said one-piece member, said seat segment having a side support wherein a proximate end of said side support is pivotally connected to said pair of brackets at a second position on said one-piece member, and wherein a proximate end of said pair of linkages is pivotally connected to said pair of brackets at a third position on said one-piece member and a distal end of said pair of linkages is pivotally connected to said lower frame member, and wherein said upper frame members are pivotally connected to said pair of brackets at said first position and said second position, and wherein said second position is intermediate said first position and said third position, and wherein when said pair of upper frame members are moved from a chair position to a reclined position, said pair of brackets push said pair of linkages lifting said lower frame member;a securing device provided to one of said pair of brackets, said securing device having a pivot member fixed to a proximate end of said side support of said seat segment, said pivot member being releasably locatable in at least the fully-reclined position by a remote actuator, wherein said securing device and support frame provide a pin guide-fixed pin arrangement;a wheeled base; andlegs each having a first end pivotably attached to said support frame and a second end attached to said wheeled base, said combination cot and chair is selectively positionable in either a raised position which situates said legs substantially perpendicular to said seat segment, and a lowered position which situates at least two of said legs folded adjacent said seat segment. 18. A combination ambulance cot and chair, comprising: a support frame comprising a pair of upper frame members, a lower frame member, and a pair of side arm members pivotally connected at one end to the upper frame member and to the lower frame member adjacent to the other end, said support frame having a pair of brackets and a pair of linkages, each of said pair of brackets comprising at least one one-piece member, said pair of brackets mounted to said pair of upper frame members;a segmented patient support pivotally mounted to said support frame for movement at least between a chair position and a fully-reclined position, said segmented patient support having a seat segment, a leg segment pivotably attached to said seat segment, and a back segment pivotably attached to said support frame, said pair of side arm members pivotally connected to said pair of brackets at a first position on said one-piece member, said seat segment having a side support wherein a proximate end of said side support is pivotally connected to said pair of brackets at a second position on said one-piece member, and wherein a proximate end of said pair of linkages is pivotally connected to said pair of brackets at a third position on said one-piece member and a distal end of said pair of linkages is pivotally connected to said lower frame member, and wherein said upper frame members are pivotally connected to said pair of brackets at said first position and said second position, and wherein said second position is intermediate said first position and said third position, and wherein when said pair of upper frame members are moved from a chair position to a reclined position, said pair of brackets push said pair of linkages lifting said lower frame member;a securing device provided to one to said pair of brackets, said securing device having a pin and a pivot member providing a plurality of pin catches each sized to accommodate at least a portion of said pin, a proximate end of said side support of said seat segment is fixed to said pivot member, and said pin is movably between said catches by a remote actuator, whereby when said pin is accommodated in a first one of said pin catches, said combination ambulance cot and chair is releasably secured in the fully-reclined position, and when said pin is accommodated in a second one of said pin catches, said combination ambulance cot and chair is releasably secured in the chair position, wherein said securing device and support frame provide a pin guide-fixed pin arrangement;a wheeled base; andlegs each having a first end pivotably attached to said support frame and a second end attached to said wheeled base, said combination cot and chair is selectively positionable in either a raised position which situates said legs substantially perpendicular to said seat segment, and a lowered position which situates at least two of said legs folded adjacent said seat segment. 19. A combination ambulance cot and chair as claimed in claim 17, wherein said pair of brackets mounting a cross-member therebetween at said first position, and wherein two legs are pivotably attached to a respective one of said side arm members, and two legs are pivotably attached to said cross-member. 20. A combination ambulance cot and chair as claimed in claim 18, wherein said pair of brackets mounting a cross-member therebetween at said first position, and wherein said first end of two legs is pivotably attached to a respective one of said side arm members, and two legs are pivotably attached to said cross-member.