| 摘要 |
956,104. Castors. TENTE ROLLEN G.m.b.H., [trading as TENTE ROLLEN G.m.b.H. & COMPANIE]. Sept. 18, 1962 [Sept. 28, 1961], No. 35558/62. Heading A4U. [Also in Division F2]. A castor comprises a device for locking the pivoting or rotary movement of the wheel 1 wherein an expanding spring stirrup 11 bears against the wheel surface 1a and teeth 8a of the ball cup 8 on the castor holder when its arms 11a and 11b are expanded by movement of the plate 15 on the foot-operated toggle 4. The stirrup 11 is silently mounted at its apex 12 by a pivot 13 of polyamide in the cavity 3 of the castor fork 6. The spring 11 has a bent end 14 which arrests plate 15 and engages teeth 8a, and a slideway 19 to retain the nose of the plate. The toggle 4 is a single die casting. |
