| 摘要 |
FIELD: transport. ^ SUBSTANCE: invention can be used at areas where stationary ramp cannot be constructed. Proposed multipurpose ramp comprises two guides, jointed together to allow varying the distance between them, two posts, bearing handrail and beam attached to said posts and linked with said guides. Proposed ramp comprises brackets fastened onto the beam and crossarms to move and be fixed relative to them. Note here that crossarms are rigidly attached to aforesaid brackets, while the guide, proximate to the beam, is rigidly attached to brackets fastened onto crossarms. ^ EFFECT: higher reliability. ^ 4 cl, 1 dwg |
