Beds – With means for relocating an invalid – With a hoisting – lifting – elevating – or raising device
Reexamination Certificate
2005-04-19
2005-04-19
Trettel, Michael F. (Department: 3673)
Beds
With means for relocating an invalid
With a hoisting, lifting, elevating, or raising device
C005S08110R, C005S086100
Reexamination Certificate
active
06880187
ABSTRACT:
A system and method for adjusting a person's upper torso in particular, the forearms to a generally parallel position to a floor surface in relation to a work product. A lifting apparatus includes a base support for moving the lifting apparatus horizontally on a floor surface. The base support may include a plurality of wheels being lockable. A platform having a multilayer construction for supporting at least a user thereon. The multilayer construction having a non-slip layer outer layer, a compressible inner layer, and a base layer. A vertical lifting system coupled to a platform and coupled to a base support. The vertical lifting system is configured to vertically move the platform through a plurality of heights above a floor surface. The vertical lifting system may have a pair of laterally mounted hollow stanchions in which each stanchion includes a axially rotatable threaded rod for matingly receiving a gear which is mounted to a drive shaft that provides rotary movement to the gear. The vertical lifting system may include a motor coupled to the drive shaft and configured to provide rotary movement to the drive shaft. The vertical lifting system may include a controller unit coupled to the motor configured to control the operation of the motor. A non-contact foot sensing device mounted to the base support and operatively coupled to a controller unit. The sensing device is configured to detect the presence a foot of a human body underneath the platform and prevent downward movement of the platform while the foot being detected.
REFERENCES:
patent: 2908916 (1959-10-01), Fischer et al.
Banner & Witcoff , Ltd.
Conley Fredrick
Trettel Michael F.
LandOfFree
Lifting apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Lifting apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Lifting apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3368999