Apparatus for opening a grain door

Details Apparatus for opening a grain door Apparatus for opening a grain door

1993-05-11

1994-10-25

Milano, Michael J.

Movable or removable closures

Starter-type operator; e.g., seal breaker

49362, 222559, 222561, E05F 1100

Patent

active

053577132

ABSTRACT:
An opener of the door of a gravity flow vehicle which allows a mechanical advantage in initially raising the door. After the material within the vehicle begins to flow and decrease the effort required to raise the door, the mechanical advantage is bypassed so that the door may be quickly raised and lowered.

REFERENCES:
patent: 333546 (1886-01-01), Prentiss et al.
patent: 1148064 (1915-07-01), Vidal et al.
patent: 1428732 (1922-09-01), Williams
patent: 1611386 (1926-12-01), Stanley
patent: 1760187 (1930-05-01), Brenne
patent: 2442031 (1948-05-01), Beauchamp

Affiliated with

Also associated with

Rating

Apparatus for opening a grain door does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Apparatus for opening a grain door, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for opening a grain door will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-127142