Trolley rail system for sliding door
US5461829A · kind A · utility
48Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1994 |
| Grant date | Oct 31, 1995 |
| Priority date | — |
| Expiry date | Aug 29, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05Y2900/102
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A trolley rail system (10) for supporting and guiding a sliding cooler door (14) of a walk-in type cooler. The system has a guide rail (27) having two linear segments (29,30) and two deviation ramp portions (33,34), and an auxiliary rail (38). The system also has a leading trolley (41) and a trailing trolley (42). The leading trolley has a wheel (51) supported upon the guide rail. The trailing trolley has a primary wheel (52) supportable upon the guide rail and an auxiliary wheel (53) supportable upon the auxiliary rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.