Disc brake structure

Claim 2

In a brake device of the character described, the combination with a frame structure and a rotatable shaft having a portion projecting outwardly of the frame structure, of a hub member fixed to the outwardly projecting shaft portion and having a plurality of brake inserts of friction material, a pressure brake member disposed on each side of the hub member whereby each brake member is in friction contact with brake inserts carried by the hub member, a plurality of link members for supporting the pressure brake members from the frame structure, each of said link members at their ends having a secured relation with the brake members and with the frame structure respectively, at least one of said link members being disposed in a substantially right angled relation with respect to the remaining link members whereby to mount and support the brake members from the frame structure in a rigid and stable manner and which also prevents rotative movement of the said pressure brake members, a face plate disposed outwardly of but in contact with the outward brake member, and bolt and coil spring combinations carried by the inside brake member and by the face plate respectively for resiliently biasing the brake members towards each other whereby to clamp the hub member and thus the friction inserts between the brake members, said bolt of each combination passing through an associated link of said link members.

Claim 3

In a brake device of the character described, the combination with a frame structure and rotatable shaft having a portion projecting outwardly of the frame structure, of a hub member fixed to the outwardly projecting shaft portion and having a plurality of brake inserts of friction material, a pressure brake member disposed on each side of the hub member, whereby each brake member is in friction contact with brake inserts carried by the hub member, a plurality of link members for supporting the pressure brake members from the frame structure, each of said link members at their ends having a secured relation with the brake members and with the frame structure respectively, and at least one of said link members being disposed in a substantially right angled relation with respect to the remaining link members whereby to mount and support the brake member from the frame structure in a rigid and stable manner and which also prevents rotative movement of the said pressure brake members a face plate disposed outwardly of but in contact with the outward brake member, a plurality of elongated bolts located radially outward beyond the periphery of the hub member, each said bolt being fixed at one end to the inside brake member and extending through openings in the outside brake member and face plate to project beyond the latter, and a coil spring associated with each bolt and confined between the projecting end of its bolt and the face plate, whereby the bolt and coil spring combinations resiliently bias the brake members towards each other to effect a resilient clamping action on the hub member and friction contact with the brake inserts carried by the same, each of said bolts passing through an associated link of said link members.

Claim 4

In a brake device of the character described, the combination with a frame structure and rotatable shaft having a portion projecting outwardly of the frame structure, of a hub member fixed to the outwardly projecting shaft portion and having a plurality of brake inserts of friction material, a pressure brake member disposed on each side of the hub member, whereby each brake member is in friction contact with brake inserts carried by the hub member, a plurality of link members for supporting the pressure brake members from the frame structure, each of said link members at their ends having a secured relation with the brake members and with the frame structure respectively, and at least one of said link members being disposed in a substantially right angled relation with respect to the remaining link members whereby to mount and support the brake member from the frame structure in a rigid and stable manner and which also prevents rotative movement of the said pressure brake members a face plate disposed outwardly of but in contact with the outward brake member, a plurality of elongated bolts located radially outward beyond the periphery of the hub member, each said bolt being fixed at one end to the inside brake member and extending through openings in the outside brake member and face plate to project beyond the latter, and a coil spring associated with each bolt and confined between the projecting end of its bolt and the face plate, whereby the bolt and coil spring combinations resiliently bias the brake members towards each other to effect a resilient clamping action on the hub member and friction contact with the brake inserts carried by the same, each of said bolts passing through an associated link of said link members.

Claim 5

In a brake device of the disc type, in combination, a frame structure and a rotatable shaft having a portion projecting outwardly from the frame structure, of a hub member fixed to the outwardly projecting shaft portion and having a plurality of inserts of friction brake material in spaced relation around the periphery thereof, a pressure brake member disposed on each side of the hub member whereby each brake member is in friction contact with the friction brake inserts carried by the hub member, a plurality of link members for supporting the pressure brake members from the frame structure, each of said link members at their ends having a secured relAtion with the brake members and with the frame structure respectively, at least one of said link members being disposed in a substantially right angled relation with respect to the remaining link members to mount and support the brake members in a rigid and stable manner and which prevents rotative movement of the said pressure brake members, a face plate disposed outwardly of and adapted to have contact with the outward brake member, a plurality of elongated bolts located radially beyond the periphery of the hub member, each said bolt being fixed at one end to the inside brake member and extending through openings in the outside brake member and also the face plate to project beyond the latter, a coil spring encircling each bolt and confined between the projecting end of its bolt and the face plate, whereby the bolt and spring combinations resiliently bias the brake members towards each other to effect a resilient clamping action on the hub member and friction contact with the brake inserts carried thereby, a piston member carried by the face plate and disposed so as to have contact with the said outside brake member, said face plate having a circular recess formed therein for receiving the piston and which has such sealing relation with the face plate as to permit axial movement with respect thereto, and means for admitting a pressure fluid to the recess in front of the piston to force the piston towards the adjacent outside brake member to thereby increase the friction contact between the brake members and the brake inserts and intensify the braking action.

Claim 6

In a brake device of the disc type, in combination, a frame structure and a rotatable shaft having a portion projecting outwardly from the frame structure, of a hub member fixed to the outwardly projecting shaft portion and having a plurality of inserts of friction brake material in spaced relation around the periphery thereof, a pressure brake member disposed on each side of the hub member whereby each brake member is in friction contact with the friction brake inserts carried by the hub member, a plurality of link members for supporting the pressure brake members from the frame structure, each of said link members at their ends having a secured relAtion with the brake members and with the frame structure respectively, at least one of said link members being disposed in a substantially right angled relation with respect to the remaining link members to mount and support the brake members in a rigid and stable manner and which prevents rotative movement of the said pressure brake members, a face plate disposed outwardly of and adapted to have contact with the outward brake member, a plurality of elongated bolts located radially beyond the periphery of the hub member, each said bolt being fixed at one end to the inside brake member and extending through openings in the outside brake member and also the face plate to project beyond the latter, a coil spring encircling each bolt and confined between the projecting end of its bolt and the face plate, whereby the bolt and spring combinations resiliently bias the brake members towards each other to effect a resilient clamping action on the hub member and friction contact with the brake inserts carried thereby, a piston member carried by the face plate and disposed so as to have contact with the said outside brake member, said face plate having a circular recess formed therein for receiving the piston and which has such sealing relation with the face plate as to permit axial movement with respect thereto, and means for admitting a pressure fluid to the recess in front of the piston to force the piston towards the adjacent outside brake member to thereby increase the friction contact between the brake members and the brake inserts and intensify the braking action.

Claim 7

In a brake device of the character described, the combination with a frame structure and a rotatable shaft having a portion projecting outwardly of the frame structure, of a hub member fixed to the outwardly projecting shaft portion and having a plurality of brake inserts of friction material, a pressure brake member disposed on each side of the hub member whereby each brake member is in friction contact with brake inserts carried by the hub member, a plurality of link members for supporting the pressure brake members from the frame structure, each of said link members at their ends having a secured relation with the brake members and with the frame structure respectively, at least one of said link members being disposed in a substantially right angled relation with respect to the remaining link members to mount and support the brake members from the frame structure in a rigid and stable manner and which prevents rotative movement of the said pressure brake members, a face plate disposed outwardly of but in contact with the outward brake member, a plurality of elongated bolts located radially outward beyond the periphery of the hub member, each said bolt being fixed at one end to the inside brake member and extending through openings in the outside brake member and also the face plate to project beyond the latter, and a coil spring encircling each bolt and confined between the projecting end of its bolt and the face plate, whereby the bolt and spring combinations resiliently bias the brake members towards each other to effect a resilient clamping action on the hub member and friction contact with the brake inserts carried by the same, said outside brake member being formed with a central opening and having a plurality of pressure pads concentric with the opening, said face plate also being formed with a central opening in substantial axial alignment with the opening in the outside brake member, and an adjusting nut having location in the central opening in the face plate and being threaded in said opening in an adjusted position, said adjusting nut having a ring-like surface which is maintained in resilient contact with the pressure pads by the bolt and coil spring combinations.

Claim 8

In a brake device of the character described, the combination with a frame structure and a rotatable shaft having a portion projecting outwardly of the frame structure, of a hub member fixed to the outwardly projecting shaft portion and having a plurality of brake inserts of friction material, a pressure brake member disposed on each side of the hub member whereby each brake member is in friction contact with brake inserts carried by the hub member, a plurality of link members for supporting the pressure brake members from the frame structure, each of said link members at their ends having a secured relation with the brake members and with the frame structure respectively, at least one of said link members being disposed in a substantially right angled relation with respect to the remaining link members to mount and support the brake members from the frame structure in a rigid and stable manner and which prevents rotative movement of the said pressure brake members, a face plate disposed outwardly of but in contact with the outward brake member, a plurality of elongated bolts located radially outward beyond the periphery of the hub member, each said bolt being fixed at one end to the inside brake member and extending through openings in the outside brake member and also the face plate to project beyond the latter, and a coil spring encircling each bolt and confined between the projecting end of its bolt and the face plate, whereby the bolt and spring combinations resiliently bias the brake members towards each other to effect a resilient clamping action on the hub member and friction contact with the brake inserts carried by the same, said outside brake member being formed with a central opening and having a plurality of pressure pads concentric with the opening, said face plate also being formed with a central opening in substantial axial alignment with the opening in the outside brake member, and an adjusting nut having location in the central opening in the face plate and being threaded in said opening in an adjusted position, said adjusting nut having a ring-like surface which is maintained in resilient contact with the pressure pads by the bolt and coil spring combinations.

Claim 9

In a brake device of the character described in claim 4, wherein each link member at one end is located between the pressure brake members and is disposed in substantial alignment with the hub member, and wherein each link member hAs pivotal connection with the brake members by means of one of said elongated bolts.