Securing mechanism for a height adjustable emergency cot
US8863331B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 19, 2010 |
| Grant date | Oct 21, 2014 |
| Priority date | — |
| Expiry date | Oct 15, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G1/04
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Embodiments of a height adjustable emergency roll-in cot comprise a cot support frame comprising having a leading end, a trailing end, and a pair of opposing side frame members disposed between the leading and trailing ends, a pair of wheeled front legs slidingly coupled to the cot support frame via a slideable front transverse support member, and a pair of wheeled back legs slidingly coupled to the support frame via a slideable back transverse support member, wherein the slideable front transverse support member, the slideable back transverse support member, or both include a pair of locking pins (90, 92). The height adjustable emergency roll-in cot comprises a long ratchet bar (130) and a short ratchet bar (140) connected and parallel to one another, wherein the short ratchet bar and the long ratchet bar define different slot profiles (132, 142) such that when the slots of the long ratchet bar and the slots of the short ratchet bar are configured to engage the respective locking pins, the long ratchet bar engages its respective locking pin before the short ratchet car.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.