ROBERT W HENDERSON
Engineering in Orange, MA
License number
Massachusetts 13736
Issued Date
Oct 4, 1960
Expiration Date
Jun 30, 2000
Type
Mechanical Engineer
Address
Address
Orange, MA 01355
Professional information
Slide Gate
US Patent:
4700927, Oct 20, 1987
Filed:
Nov 12, 1986
Appl. No.:
6/929920
Inventors:
Robert W. Henderson - New Salem MA
Assignee:
Rodney Hunt Company - Orange MA
International Classification:
F16K 314
US Classification:
251158
Abstract:
A slide gate has a frame made up of parallel channel guides extending vertically from and cooperating with a horizontal bottom to define a gate opening. The channel guides each have mutually spaced first and second guide flanges protruding laterally into the gate opening. A gate disc is supported by the frame for vertical movement between a lowered position resting on the frame bottom and closing off the gate opening, and an open position spaced thereabove. The gate disc has side portions received between the first and second guide flanges of the channel guides, and these side portions carry seal assemblies. A plurality of vertically spaced pivotal pressure pads are mounted on each of the channel guides between their respective first and second guide flanges. Adjustable mechanisms are employed to pivotally adjust the pressure pads to bear against the disc side portions when the disc is in its lowered position, with the result that the seal assemblies are compressed between the disc side portions and the first guide flanges.