Improvements in or relating to vehicle seat slides

Claim 2

A vehicle seat slide assembly comprising a first slide member adapted to be mounted on the floor of a vehicle and a second slide member arranged for sliding movement relative to the first slide member and having attachment means .for the seat portion of a vehicle including a front attachment and a rear attachment; in which at least one of said front or rear attachments is arranged for the adjustment of height of the respective part of.the seat relative to the first slide member.

Claim 3

A vehicle seat slide assembly as claimed in Claim 1 in which both said front and rear attachments are arranged for the adjustment of the height of the respective part of the seat relative to the first slide member.

Claim 4

A seat slide assembly as claimed in Claim 1 or 2; in which at least the rear attachment comprises a bell crank member (39, 140) pivotally mounted on the second slide member and a pivotal link (32, 144) arranged to be operative between the outer end of one arm of the bell crank member and the rear part of a seat, so that angular movement of the bell crank member on the second slide member causes adjustment of the rear of the seat relative to the first slide member; and in which means '(49, 149) is provided to lock the bell crank member in a selected one of a number of possible angular positions.

Claim 5

A seat slide assembly as claimed in Claim 3, in which said locking means comprises one or more pins (40, 148) extending from said one arm of the bell crank member and a locking member having a toothed arcuate edge arranged to engage said pin or pins to lock the bell crank member,.means being provided for achieving relative movement between the locking member and the bell crank member to release the bell crank member for angular movement.

Claim 6

A seat slide assembly as claimed in Claim 4, in which said locking member is fixed relative to the second slide member and the pivot point of the bell crank member is movable relative to the second slide member to achieve said relative movement.

Claim 7

A seat slide assembly as claimed in Claim 5, in which a cam device (5) with an associated operating handle (52), is rotatably mounted on the second slide member in engagement with said bell crank member so that movement of the handle effects said relative movement.

Claim 8

A seat slide assembly as claimed in Claim 4, in which said locking member is slidable relative to the second slide member and the pivot point of the bell crank member is fixed relative to the second slide member to achieve said relative movement.

Claim 9

A seat slide assembly as claimed in Claim 7, in which an operating lever (162) with an associated handle (16) is pivotally mounted on the second slide member (113) and arranged to co-operate with said locking member so that movement of the handle effects said relative movement.

Claim 10

A seat slide assembly as claimed in Claim 4, 5, 6, 7 or 8, in which said locking member and said bell crank member are resiliently biassed together.

Claim 11

A seat slide assembly as claimed in any preceding Claim in which at least the front attachment means comprises a pin (203) attached to the front of the seat, and movable in a slot formed in the second slide member, and a toothed comb member (205) movably mounted .in the second slide member to releasably engage the pin to lock it in a selected one of a number of vertical positions in the slot (204).

Claim 12

A seat slide assembly as claimed in any preceding Claim in which said first slide member comprises a general 'U' shaped cross-section member (20) having ball bearing tracks (24) formed at each side of the base of the 'U', and the second slide member (23) comprises a plate-like member having outwardly extending flanges (26) having ball bearing tracks (27) formed thereon, there being ball bearings (28) disposed between respective tracks so that the second slide member may roll on the ball bearings in the first slide member, the arms (29) of the cross-section of the first slide member being folded over the flanges (26) of the second slide member to prevent transverse separation of the slide members.

Claim 13

A seat slide assembly as claimed in Claim 11, in which said ball bearings are preloaded.