Castored base for an office chair
First Claim
1. A castored base for a chair comprising:
- a central part with a plurality of legs extending radially outwardly therefrom, each leg having a socket or sleeve fixed thereto adjacent an outer end thereof; and
a castor connected to each socket or sleeve, each castor having two wheel portions and an axle assembly, the axle assembly including an axle to which the two wheel portions are rotatably mounted in spaced disposition and including a pin;
wherein the pin of each castor is received in a respective one of the sockets or sleeves which extends at least in part directly in between the two wheel portions so as to be at least partially bounded by the two wheel portions.
1 Assignment
0 Petitions
Accused Products
Abstract
A castored base (18) for an office chair includes a plurality of radially extending legs (300), each leg having a socket or sleeve (308) fixed thereto adjacent an outer end thereof. A castor (302/402) is connected to each socket or sleeve (308), each castor having two wheel portions (312/412) and an axle assembly (316/404). The axle assembly includes an axle (314/414) to which the two wheel portions are rotatably mounted in spaced disposition and including a pin (318/418), wherein the pin (318/418) of each castor is received in a respective socket or sleeve (308) which extends at least in part between the two wheel portions (312/412). Only a small clearance is required between the underside of the legs (300) and the tops of the castors (302/402). Further, low profile legs (300) may be used in the base (18), while still providing the required strength and stability.
374 Citations
28 Claims
-
1. A castored base for a chair comprising:
-
a central part with a plurality of legs extending radially outwardly therefrom, each leg having a socket or sleeve fixed thereto adjacent an outer end thereof; and
a castor connected to each socket or sleeve, each castor having two wheel portions and an axle assembly, the axle assembly including an axle to which the two wheel portions are rotatably mounted in spaced disposition and including a pin;
wherein the pin of each castor is received in a respective one of the sockets or sleeves which extends at least in part directly in between the two wheel portions so as to be at least partially bounded by the two wheel portions.- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
-
Specification