Patent ID: 11970253
Assignee: GREAT LAKES LIFT, INC.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 8:
9. A boat lift assembly, comprising:
a first base member having a central tubular beam portion, a first sloped tubular beam portion, and a second sloped tubular beam portion being longitudinally aligned with one another; the central tubular beam portion of the first base member having a first end and a second end; the first sloped tubular beam portion of the first base member being coupled to the first end of the central tubular beam portion of the first base member and being tilted downwardly with respect to the central tubular beam portion of the first base member; the second sloped tubular beam portion of the first base member being coupled to the second end of the central tubular beam portion of the first base member and being tilted downwardly with respect to the central tubular beam portion of the first base member;
a second base member having a central tubular beam portion, a first sloped tubular beam portion, and a second sloped tubular beam portion being longitudinally aligned with one another; the second base member extending parallel to the first base member, the central tubular beam portion of the second base member having a first end and a second end; the first sloped tubular beam portion of the second base member being coupled to the first end of the central tubular beam portion of the second base member and being tilted downwardly with respect to the central tubular beam portion of the second base member; the second sloped tubular beam portion of the second base member being coupled to the second end of the central tubular beam portion of the second base member and being tilted downwardly with respect to the central tubular beam portion of the second base member;
a first v-shaped roller tube being coupled to and between the first sloped tubular beam portion of the first base member and the first sloped tubular beam portion of the second base member;
first and second rollers being rotatably disposed on the first v-shaped roller tube;
a second v-shaped roller tube being coupled to and between the central tubular beam portion of the first base member and the central tubular beam portion of the second base member;
third and fourth rollers being rotatably disposed on the second v-shaped roller tube;
a third v-shaped roller tube being coupled to and between the second sloped tubular beam portion of the first base member and the second sloped tubular beam portion of the second base member; and
fifth and sixth rollers being rotatably disposed on the third v-shaped roller tube.