| 摘要 |
1526605 Lift chairs E J GAFFNEY 31 March 1977 [16 April 1976] 13513/77 Heading A4J In a lift chair an extensible and retractable power operated device 24 is provided between a seat 11 and a lift base 12 to raise and lower the seat, there being an accessory base provided on the seat which engage the floor before the power operated device is fully retracted so that the lift base 12 is raised from the floor on full retraction of the power operated device. The accessory base may be a wheeled base, as shown, or a rocking base, Fig. 1 (not shown). |
