Precision latch assembly having means for restricting pin movement in three degrees of freedom
US4778205A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 26, 1987 |
| Grant date | Oct 18, 1988 |
| Priority date | — |
| Expiry date | Aug 26, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/432
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An improved latch assembly having a latch body adapted to be coupled to a generally fixed support, such as a chassis unit, wall or post. The latch body has a groove for removably receiving a retained pin which is adapted to be mounted on a movable structural member to be latched, such as a door, support arm, gate or the like. The latch body further includes a latch pin which is spring biased into engagement with the retained pin when the retained pin is received in the groove of the latch body. The inter-engagement of the retained pin and latch pin is such that the retained pin is restricted against movement in three mutually perpendicular directions, namely the x, y and z directions. The retained pin has a pair of spaced, cylindrical parts on opposite sides of a pair of beveled parts which converge toward each other to an annular junction therebetween. The latch pin has a conical end portion for engaging the beveled parts of the retained pin to resist axial movement of the retained pin in the z direction. The engagement of the cylindrical parts of the retained pin with the surfaces of the latch body defining the groove resists movement of the retained pin in a pair of mutually per…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.