Patent ID: 11945692
Assignee: nan
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A stair lift apparatus comprising:
a first rail and a second rail being disposed in parallel relation;
a plurality of transverse supports connecting the first rail to the second rail, said plurality of transverse supports having a first length and extending between said first rail and said second rail;
at least one transverse support having a second length that is greater than said first length and is adjustably attached to said first rail and said second rail in a lateral direction, and further includes a compression lock on at least one end thereof so that said compression lock is oriented in a generally horizontal direction for removably securing said rails to a stairway by providing an outward compression force exerted against opposed fixed vertical structures on opposed sides of said stairway;
a platform member having a standing surface adapted to support a user, said platform member being slidably engaged with said first and second rails;
a winch and at least one strap operatively attached to said winch, a free end of said strap being attached to said platform member, wherein said platform member supports the user on said platform that slides along said first and second rails, thereby transporting the user from one end of said stairway to a second end of said stairway.