Coaxial drive elevator

Details Coaxial drive elevator Coaxial drive elevator

1996-09-27

1998-06-23

Noland, Kenneth

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes threaded rider mating with support screw in...

74 8915, B66B 902

Patent

active

057691843

ABSTRACT:
The present invention resides in an elevator mechanism comprising a base plate defining the bottom wall of a chamber disposed above the base plate. The base plate has a top surface and a bottom surface with an opening therein communicating between the top and bottom surfaces. A first drive is disposed below the base plate for linear movement parallel to a first given direction. A carriage is connected for movement to the first drive and carries a lift tube extended upwards from the carriage along the given direction and through the opening in the base plate. The lift tube including a coaxially disposed rotary shaft therewithin. A second drive having an output is provided and is supported on the carriage parallel to the given direction and spaced from the rotary shaft in a side-by-side orientation. A coupling is also provided for drivingly connecting the output of the second drive to the rotary shaft.

REFERENCES:
patent: 2333341 (1943-11-01), Scrivener
patent: 3803927 (1974-04-01), Lawler
patent: 3805629 (1974-04-01), Hassan et al.
patent: 4466769 (1984-08-01), Inaba et al.
patent: 4614128 (1986-09-01), Fickler
patent: 4643629 (1987-02-01), Takahasi et al.
patent: 4682930 (1987-07-01), Hachisu
patent: 4687542 (1987-08-01), Davis et al.
patent: 4712441 (1987-12-01), Abraham
patent: 4719810 (1988-01-01), St. Cyr et al.
patent: 4739669 (1988-04-01), Yokose et al.
patent: 4764076 (1988-08-01), Layman et al.
patent: 4781511 (1988-11-01), Harada et al.
patent: 4782713 (1988-11-01), Torii et al.
patent: 4829840 (1989-05-01), Torii et al.
patent: 4858481 (1989-08-01), Abraham
patent: 4911597 (1990-03-01), Maydan et al.
patent: 4981408 (1991-01-01), Hughes et al.
patent: 5069269 (1991-12-01), Reuter et al.
patent: 5111708 (1992-05-01), Brusasco
patent: 5111709 (1992-05-01), Torii et al.
patent: 5117701 (1992-06-01), Thuries et al.
patent: 5128688 (1992-07-01), West
patent: 5148714 (1992-09-01), McDiarmid
patent: 5223001 (1993-06-01), Saeki
patent: 5224809 (1993-07-01), Maydan et al.
patent: 5234303 (1993-08-01), Koyano
patent: 5251500 (1993-10-01), Torii et al.
patent: 5271702 (1993-12-01), Dobbs et al.
patent: 5327795 (1994-07-01), Katahira
patent: 5346045 (1994-09-01), Bennett et al.
patent: 5540821 (1996-07-01), Tepman

Affiliated with

Also associated with

Rating

Coaxial drive elevator does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Coaxial drive elevator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Coaxial drive elevator will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1386501