Quick locking pivot shoe
US6968646B2 · kind B2 · utility
18Cited by
15References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 2003 |
| Grant date | Nov 29, 2005 |
| Priority date | — |
| Expiry date | Aug 29, 2023 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T292/68
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A substantially zero clearance clamping pivot shoe having a top camming member and a bottom camming member, each camming member including camming elements. A top clamping element and a bottom clamping element disposed between the camming members for clamping a portion of a track within which the shoe is disposed. The clamping elements each including camming surfaces and braking surfaces such that as a window to which the shoe is attached pivots, the camming surfaces and the camming elements interact to urge the clamping elements together to clamp the portion of the track therebetween.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.