Apparatus for attaching hinges to doors and jambs
US5222290A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 29, 1992 |
| Grant date | Jun 29, 1993 |
| Priority date | — |
| Expiry date | Jul 29, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/53483
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A machine for attaching hinges to a door and jamb member in an automatic or semi-automatic manner with the door edge and jamb face positioned in a generally vertical plane. The machine comprises a framework with a movable and longitudinally positionable carriage on which the following elements are integrated. PA0 1. An apparatus to hold a magazine of approximately 12 hinges (or butts) with fingers to move one hinge upward and position it on a receiving block, the fingers being retractable and movable downward to a ready position. PA0 2. A second apparatus to hopper feed screws from above apparatus number 1, wherein the screws move downward into apertures through the receiving block positioned for alignment with screw holes in the hinge leaves of the hinge positioned on the opposite side of the block. PA0 3. The third apparatus has means for rotating the loaded receiving block 90 degrees to a generally vertical plane, moving it against door edge and jamb face and engaging individual screwdriving motors to attach the hinge.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.