Donald R Hill

US Patent:

6354180, Mar 12, 2002

Filed:

Dec 4, 1998

Appl. No.:

09/205925

Inventors:

Donald Hill - Glen Ellyn IL

Assignee:

Hill Engineering, Inc. - Villa Park IL

International Classification:

B26D 112

US Classification:

83669, 83670, 83668, 83662

Abstract:

A system for cutting sheet material. The system has a first roller with at least one cutting element thereon with the first roller rotatable around a first axis and the second roller having at least one receptacle thereon and rotatable around a second axis. The first and second rollers are relatively positioned so that as the first and second rollers rotate around the first and second axes, the one cutting element aligns with and projects into the one receptacle to thereby cause cutting out of a discrete portion of a sheet material between the first and second rollers. A servo drive is provided for at least one of a) rotating the first roller around the first axis and b) rotating the second roller around the second axis.

US Patent:

6450752, Sep 17, 2002

Filed:

Jun 22, 1999

Appl. No.:

09/337282

Inventors:

Donald Hill - Glen Ellyn IL

Assignee:

Hill Engineering, Inc. - Villa Park IL

International Classification:

B65G 110

US Classification:

414330, 4147451, 414786, 4147989, 198429, 198461, 226108

Abstract:

A feeder system for incrementally feeding a tube along a linear tube path to a point of use. The feeder system includes a frame, and first and second belts on the frame. The first and second belts are capable of moving incrementally in respective first and second belt paths and thereby incrementally moving a tube engaged by the first and second belts in the linear tube path.

US Patent:

20020194794, Dec 26, 2002

Filed:

Oct 26, 2001

Appl. No.:

09/983867

Inventors:

Donald Hill - Lilburn GA, US
Charles Ritz - Norcross GA, US
David Cash - Norcross GA, US

Assignee:

United Consulting Group

International Classification:

E04H012/00
E02D027/00
E02D027/32
E04C003/30

US Classification:

052/040000, 052/296000, 052/726400, 052/736100, 052/720100

Abstract:

A support structure for use with an existing single pole tower. The single pole tower has a pole anchored to a foundation and supports a first load. The support structure has a number of sleeves surrounding the pole. A first one of the sleeves is anchored to the foundation. A second load is attached to a second one of the sleeves.

US Patent:

20110036135, Feb 17, 2011

Filed:

Aug 12, 2009

Appl. No.:

12/539953

Inventors:

Donald R. Hill - Glen Ellyn IL, US
James A. Gafkowski - Park Ridge IL, US

Assignee:

FORMTEK, INC. - Westfield MA

International Classification:

B21D 22/00

US Classification:

72190

Abstract:

A rotary stamper includes an upper die plate assembly, a lower die plate assembly, and a support frame having a drive assembly that moves the upper die plate horizontally and vertically along a generally circular pathway while moving the lower die plate along a linear horizontal pathway. The upper die plate is vertically slidably connected to the lower die plate by way of one or more vertical rods that extend from the lower die plate assembly up through the upper die plate. In operation, the lower die plate matches the horizontal movements of the upper die plate as the latter is moved along its circular pathway. Concurrently, the upper die plate moves towards and away from the lower die plate. This maintains a substantially constant alignment between the die plates for carrying out a periodic machining operation on a moving web of material passing there between.

US Patent:

40879496, May 9, 1978

Filed:

Dec 27, 1976

Appl. No.:

5/754533

Inventors:

Donald E. Hill - Atlanta GA

International Classification:

E04C 100

US Classification:

5230913

Abstract:

A building comprising a cardboard wall panel having a vertical, generally planar central section overlaid with a layer of fiberglass having tensile strength of a preselected magnitude from which two vertical side sections depend at substantially right angles. The building also comprises a cardboard roof panel supported above said wall panel having a generally planar central section overlaid with a layer of fiberglass having tensile strength substantially in excess of said preselected magnitude from which two vertical side sections depend. A building comprising a fiberglass reinforced cardboard wall panel having a vertical, generally planar central section from which two vertical side sections extend at substantially right angles, and a top flap extending substantially right angularly and horizontally from an upper portion of the central section between the side sections. A fiberglass reinforced cardboard roof panel is supported along an incline extending over the wall panel and has a generally planar central section from which two vertical side sections depend. The lower edges of the two depending roof side sections are provided with a horizontal step above the wall panel.

US Patent:

56900112, Nov 25, 1997

Filed:

Oct 6, 1995

Appl. No.:

8/540015

Inventors:

Donald R. Hill - Villa Park IL
James A. Gafkowski - Villa Park IL

International Classification:

B23D 2100

US Classification:

83319

Abstract:

In accordance with the present invention, an apparatus is provided for cutting a workpiece moving in a predetermined path relative to a support. The apparatus includes a carriage and linear bearings for mounting the carriage to a support for movement relative to the support to follow movement of the workpiece as it moves in a predetermined path. A clamp is provided on the carriage for clamping the workpiece to the carriage, the clamp having an open position and a closed position. A scarf cutter movable between a first position and a second position is also provided on the carriage for making a scarf cut in the workpiece. A mechanism is provided between the scarf cutter and the clamp for moving the clamp from its open position to its closed position as an incident of the scarf cutter moving from its first position towards its second position, and, in one form of the invention, for moving the clamp from its closed position to its open position as an incident of the scarf cutter moving from its second position towards its first position.

US Patent:

40154963, Apr 5, 1977

Filed:

Feb 6, 1976

Appl. No.:

5/655885

Inventors:

Donald R. Hill - Elmhurst IL

Assignee:

Hill Engineering, Inc. - Addison IL

International Classification:

B26D 316

US Classification:

834661

Abstract:

A tube cutoff apparatus arranged to provide an improved cutoff of a tube avoiding dimpling of the tube. The apparatus includes an improved blade configuration and mechanism for moving the blade in different directions to effect a multistep tube cutoff. In a first step, the tube is chordally notched, and in a second step, the tube is diametrically sliced to provide a dimpleless cutoff.

US Patent:

57750459, Jul 7, 1998

Filed:

Jan 18, 1997

Appl. No.:

8/785758

Inventors:

Donald L. Hill - Powder Springs GA

International Classification:

E06B 104

US Classification:

52211

Abstract:

A door frame guard comprising, in accordance with an apparatus of the preferred embodiment of the present invention, a plurality of interface members and a linking member flexibly connected to the plurality of interface members. Each interface member of the plurality of interface members is sized interface appropriately with a respective surface of a door frame without extending into door frame corners or about door frame edges. Adjacent interface members define gaps which extend between a top edge and a bottom edge of the door frame guard in a direction substantially parallel to side edges of the door frame guard. The gaps and linking member enable adjacent interface members to rotate relative to one another and relative to the other interface members. According to a method of the preferred embodiment of the present invention, the plurality of interface members of the door frame guard reside adjacent to surfaces of an upright side of a door frame and interact magnetically with the surfaces to removably secure the door frame guard to the door frame. When so positioned the gaps of the door frame guard reside adjacent to and align with corners and edges of the door frame and the linking member spans the door frame from front to back within the door frame opening, thereby enabling the front surface of the linking member to protect the paint on the corners and edges of the door frame from bumps, bangs, and scrapes which may tend to chip or wear away the paint.