Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
646 words
A combination clutch-brake comprising: a. a clutch unit including a clutch housing having spaced arcuate voids as air passageways formed in the outer portion thereof, b. a first hub having means for connection with a shaft of a prime mover, c. an annular clutch piston slidably mounted on said first hub, d. an annular clutch cylinder formed on said housing and in which said clutch piston axially reciprocates, e. a friction disc having radially extended cooling fins thereon and slidably mounted on and rotatable with said first hub said fins adjacent said arcuate spaced voids, f. a brake unit including a disc journal mounted on, g. a second hub, h. means rotatably mounting said second hub axially on said first hub, i. means normally urging said friction disc out of engagement with said disc journal, j. a brake housing having spaced arcuate voids as air passageways formed in the outer portion thereof and mounted on said second hub, k. means separably connecting said clutch housing with said brake housing, l. said brake housing having an annular brake cylinder formed therein, m. an annular piston base having an annular brake piston thereon and slidable within said annular brake cylinder, n. said annular brake piston base having a friction facing thereon in axial alignment with said disc journal, o. means for normally urging said annular brake piston base with said friction facing thereon out of engagement with said disc journal, p. means for causing fluid pressure to urge said clutch piston against said friction disc to cause said second hub to rotate, q. means foR causing fluid pressure to urge said brake piston against said disc journal to brake said second hub, r. said friction disc being formed with air passageways extending axially therethrough and radially spaced from said first hub, s. said disc journal being formed with air passageways extending axially and radially therethrough and communicating with said air passageways of said friction disc, t. said brake piston base being formed with annular air passageways extending axially therethrough and radially spaced from said second hub and communicating with said air passageways of said disc journal, the rotation of said friction disc causing a flow of air into and out of the air passageways of said clutch housing and friction disc which draws a second flow of air inwardly through the air passageways of the disc journal and a third flow of air inwardly through the air passageways of said brake housing and brake body, said second and third air flows joining said first air flow for exodus out of the clutch housing thereby cooling the brake unit when the disc journal is braked and not braked and alternatively when the friction disc is in engagement with the disc journal and rotating the disc journal air is drawn radially inwardly through the air passageways of said brake housing and brake body and is exhausted outwardly through the air passageways of said disc journal thereby cooling the brake unit, u. said means for normally urging said friction disc out of engagement with said disc journal including a coil spring mounted concentrically on said first hub in abutment at one end with said friction disc and in abutment at the other end with v. a shoulder carried by said first hub, w. said means for normally urging said annular brake piston with said friction facing thereon out of engagement with said disc journal including a rim connected by webs to said brake housing, x. a multiplicity of spring guide pins connected to said rim and extending through said air passageways of said brake housing, y. a multiplicity of eye bolts mounted on said annular piston base extending radially therefrom and through which said guide pins extend, and z. a coil spring mounted on at least one of said guide pins between said rim and the eye of said eye bolt.
Claim 2
Dependent Claim
646 words
A combination clutch-brake comprising: a. a clutch unit including a clutch housing having spaced arcuate voids as air passageways formed in the outer portion thereof, b. a first hub having means for connection with a shaft of a prime mover, c. an annular clutch piston slidably mounted on said first hub, d. an annular clutch cylinder formed on said housing and in which said clutch piston axially reciprocates, e. a friction disc having radially extended cooling fins thereon and slidably mounted on and rotatable with said first hub said fins adjacent said arcuate spaced voids, f. a brake unit including a disc journal mounted on, g. a second hub, h. means rotatably mounting said second hub axially on said first hub, i. means normally urging said friction disc out of engagement with said disc journal, j. a brake housing having spaced arcuate voids as air passageways formed in the outer portion thereof and mounted on said second hub, k. means separably connecting said clutch housing with said brake housing, l. said brake housing having an annular brake cylinder formed therein, m. an annular piston base having an annular brake piston thereon and slidable within said annular brake cylinder, n. said annular brake piston base having a friction facing thereon in axial alignment with said disc journal, o. means for normally urging said annular brake piston base with said friction facing thereon out of engagement with said disc journal, p. means for causing fluid pressure to urge said clutch piston against said friction disc to cause said second hub to rotate, q. means foR causing fluid pressure to urge said brake piston against said disc journal to brake said second hub, r. said friction disc being formed with air passageways extending axially therethrough and radially spaced from said first hub, s. said disc journal being formed with air passageways extending axially and radially therethrough and communicating with said air passageways of said friction disc, t. said brake piston base being formed with annular air passageways extending axially therethrough and radially spaced from said second hub and communicating with said air passageways of said disc journal, the rotation of said friction disc causing a flow of air into and out of the air passageways of said clutch housing and friction disc which draws a second flow of air inwardly through the air passageways of the disc journal and a third flow of air inwardly through the air passageways of said brake housing and brake body, said second and third air flows joining said first air flow for exodus out of the clutch housing thereby cooling the brake unit when the disc journal is braked and not braked and alternatively when the friction disc is in engagement with the disc journal and rotating the disc journal air is drawn radially inwardly through the air passageways of said brake housing and brake body and is exhausted outwardly through the air passageways of said disc journal thereby cooling the brake unit, u. said means for normally urging said friction disc out of engagement with said disc journal including a coil spring mounted concentrically on said first hub in abutment at one end with said friction disc and in abutment at the other end with v. a shoulder carried by said first hub, w. said means for normally urging said annular brake piston with said friction facing thereon out of engagement with said disc journal including a rim connected by webs to said brake housing, x. a multiplicity of spring guide pins connected to said rim and extending through said air passageways of said brake housing, y. a multiplicity of eye bolts mounted on said annular piston base extending radially therefrom and through which said guide pins extend, and z. a coil spring mounted on at least one of said guide pins between said rim and the eye of said eye bolt.
Claim 3
Dependent Claim
47 words
The device of claim 1 in which a. said brake housing mounts a multiplicity of torque pins extended freely through b. holes in said webs allowing axial movement of said piston base and said piston thereon and preventing rotation of said brake piston within said brake cylinder.
Claim 4
Dependent Claim
379 words
A combination clutch-brake comprising: a. a clutch unit including a clutch housing having spaced arcuate voids as air passageways formed in the outer portion thereof, b. a first hub having means for connection with a shaft of a prime mover, c. an annular clutch piston slidably mounted on said first hub, d. an annular clutch cylinder formed on said housing and in which said clutch piston axially reciprocates, e. a friction disc having radially extended cooling fins thereon and slidably mounted on and rotatable with said first hub said fins adjacent said arcuate spaced voids, f. a brake unit including a disc journal mounted on, g. a second hub, h. means rotatably mounting said second hub axially on said first hub, i. means normally urging said friction disc out of engagement with said disc journal, j. a brake housing having spaced arcuate voids as air passageways formed in the outer portion thereof and mounted on said second hub, k. means separably connecting said clutch housing with said brake housing, l. said brake housing having an annular brake cylinder formed therein, m. an annular piston base having an annular brake piston thereon and slidable within said annular brake cylinder, n. said annular brake piston base having a friction facing thereon in axial alignment with said disc journal, o. means for normally urging said annular bRake piston base with said friction facing thereon out of engagement with said disc journal, p. means for causing fluid pressure to urge said clutch piston against said friction disc to cause said second hub to rotate, q. means for causing fluid pressure to urge said brake piston against said disc journal to brake said second hub, r. said means for normally urging said annular brake piston with said friction facing thereon out of engagement with said disc journal including a rim connected by webs to said second housing, s. a multiplicity of spring guide pins connected to said rim and extending through said air passageways of said brake housing, t. a multiplicity of eye bolts mounted on said annular piston base extending radially therefrom and through which said guide pins extend, and u. a coil spring mounted on at least one of said guide pins between said rim and the eye of said eye bolt.
Claim 5
Dependent Claim
379 words
A combination clutch-brake comprising: a. a clutch unit including a clutch housing having spaced arcuate voids as air passageways formed in the outer portion thereof, b. a first hub having means for connection with a shaft of a prime mover, c. an annular clutch piston slidably mounted on said first hub, d. an annular clutch cylinder formed on said housing and in which said clutch piston axially reciprocates, e. a friction disc having radially extended cooling fins thereon and slidably mounted on and rotatable with said first hub said fins adjacent said arcuate spaced voids, f. a brake unit including a disc journal mounted on, g. a second hub, h. means rotatably mounting said second hub axially on said first hub, i. means normally urging said friction disc out of engagement with said disc journal, j. a brake housing having spaced arcuate voids as air passageways formed in the outer portion thereof and mounted on said second hub, k. means separably connecting said clutch housing with said brake housing, l. said brake housing having an annular brake cylinder formed therein, m. an annular piston base having an annular brake piston thereon and slidable within said annular brake cylinder, n. said annular brake piston base having a friction facing thereon in axial alignment with said disc journal, o. means for normally urging said annular bRake piston base with said friction facing thereon out of engagement with said disc journal, p. means for causing fluid pressure to urge said clutch piston against said friction disc to cause said second hub to rotate, q. means for causing fluid pressure to urge said brake piston against said disc journal to brake said second hub, r. said means for normally urging said annular brake piston with said friction facing thereon out of engagement with said disc journal including a rim connected by webs to said second housing, s. a multiplicity of spring guide pins connected to said rim and extending through said air passageways of said brake housing, t. a multiplicity of eye bolts mounted on said annular piston base extending radially therefrom and through which said guide pins extend, and u. a coil spring mounted on at least one of said guide pins between said rim and the eye of said eye bolt.
Claim 6
Dependent Claim
337 words
A combination clutch-brake comprising: a. a clutch unit including a clutch housing having spaced arcuate voids as air passageways formed in the outer portion thereof, b. a first hub having means for connection with a shaft of a prime mover, c. an annular clutch piston slidably mounted on said first hub, d. an annular clutch cylinder formed on said housing and in which said clutch piston axially reciprocates, e. a friction disc having radially extended cooling fins thereon and slidably mounted on and rotatable with said first hub said fins adjacent said arcuate spaced voids, f. a brake unit including a disc journal mounted on, g. a second hub, h. means rotatably mounting said second hub axially on said first hub, i. means normally urging said friction disc out of engagement with said disc journal, j. a brake housing having spaced arcuate voids as air passageways formed in the outer portion thereof and mounted on said second hub, k. means separably connecting said clutch housing with said brake housing, l. said brake housing having an annular brake cylinder formed therein, m. an annular piston base having an annular brake piston thereon and slidable within said annular brake cylinder, n. said annular brake piston base having a friction facing thereon in axial alignment with said disc journal, o. means for normally urging said annular brake piston base with said friction facing thereon out of engagement with said disc journal, p. means for causing fluid pressure to urge said clutch piston against said friction disc to cause said second hub to rotate, q. means for causing fluid pressure to urge said brake piston against said disc journal to brake said second hub, r. said means connecting said clutch housing with said brake housing being separable and including a bearing mounted on said first hub, s. said second hub being formed with a recess in which said bearing is mounted, whereby the brake housing and the components thereof may be separated from the clutch housing and operated separately or together.
Claim 7
Dependent Claim
337 words
A combination clutch-brake comprising: a. a clutch unit including a clutch housing having spaced arcuate voids as air passageways formed in the outer portion thereof, b. a first hub having means for connection with a shaft of a prime mover, c. an annular clutch piston slidably mounted on said first hub, d. an annular clutch cylinder formed on said housing and in which said clutch piston axially reciprocates, e. a friction disc having radially extended cooling fins thereon and slidably mounted on and rotatable with said first hub said fins adjacent said arcuate spaced voids, f. a brake unit including a disc journal mounted on, g. a second hub, h. means rotatably mounting said second hub axially on said first hub, i. means normally urging said friction disc out of engagement with said disc journal, j. a brake housing having spaced arcuate voids as air passageways formed in the outer portion thereof and mounted on said second hub, k. means separably connecting said clutch housing with said brake housing, l. said brake housing having an annular brake cylinder formed therein, m. an annular piston base having an annular brake piston thereon and slidable within said annular brake cylinder, n. said annular brake piston base having a friction facing thereon in axial alignment with said disc journal, o. means for normally urging said annular brake piston base with said friction facing thereon out of engagement with said disc journal, p. means for causing fluid pressure to urge said clutch piston against said friction disc to cause said second hub to rotate, q. means for causing fluid pressure to urge said brake piston against said disc journal to brake said second hub, r. said means connecting said clutch housing with said brake housing being separable and including a bearing mounted on said first hub, s. said second hub being formed with a recess in which said bearing is mounted, whereby the brake housing and the components thereof may be separated from the clutch housing and operated separately or together.
Claim 8
Dependent Claim
606 words
A combination clutch-brake comprising: a. a clutch unit including a clutch housing having spaced arcuate voids as air passageways formed in the outer portion thereof, b. a first hub having means for connection with a shaft of a prime mover, c. an annular clutch piston slidably mounted on said first hub, d. an annular clutch cylinder formed on said housing and in which said clutch piston axially reciprocates, e. a friction disc having radially extended cooling fins thereon and slidably mounted on and rotatable with said first hub said fins adjacent said arcuate spaced voids, f. a brake unit including a disc journal mounted on, g. a second hub, h. means rotatably mounting said second hub axially on said first hub, i. means normally urging said friction disc out of engagement with said disc journal, j. a brake housing having spaced arcuate voids as air passageways formed in the outer portion thereof and mounted on Said second hub, k. means separably connecting said clutch housing with said brake housing, l. said brake housing having an annular brake cylinder formed therein, m. an annular piston base having an annular brake piston thereon and slidable within said annular brake cylinder, n. said annular brake piston base having a friction facing thereon in axial alignment with said disc journal, o. means for normally urging said annular brake piston base with said friction facing thereon out of engagement with said disc journal, p. means for causing fluid pressure to urge said clutch piston against said friction disc to cause said second hub to rotate, q. means for causing fluid pressure to urge said brake piston against said disc journal to brake said second hub, r. said friction disc being formed with air passageways extending axially therethrough and radially spaced from said first hub, s. said disc journal being formed with air passageways extending axially and radially therethrough and communicating with said air passageways of said friction disc, t. said brake piston base being formed with annular air passageways extending axially therethrough and radially spaced from said second hub and communicating with said air passageways of said disc journal, the rotation of said friction disc causing a flow of air into and out of the air passageways of said clutch housing and friction disc which draws a second flow of air inwardly through the air passageways of the disc journal and a third flow of air inwardly through the air passageways of said brake housing and brake body, said second and third air flows joining said first air flow for exodus out of the clutch housing thereby cooling the brake unit when the disc journal is braked and not braked and alternatively when the friction disc is in engagement with the disc journal and rotating the disc journal air is drawn radially inwardly through the air passageways of said brake housing and brake body and is exhausted outwardly through the air passageways of said disc journal thereby cooling the brake unit, u. said means for normally urging said friction disc out of engagement with said disc journal including a coil spring mounted concentrically on said first hub in abutment at one end with said friction disc and in abutment at the other end with v. a shoulder carried by said first hub, w. said means connecting said clutch housing with said brake housing being separable and including a bearing mounted on said shoulder of said first hub, x. said second hub formed with a recess in which said bearing is mounted whereby the brake housing and the components thereof may be separated from the clutch housing and used separately or together.
Claim 9
Dependent Claim
606 words
A combination clutch-brake comprising: a. a clutch unit including a clutch housing having spaced arcuate voids as air passageways formed in the outer portion thereof, b. a first hub having means for connection with a shaft of a prime mover, c. an annular clutch piston slidably mounted on said first hub, d. an annular clutch cylinder formed on said housing and in which said clutch piston axially reciprocates, e. a friction disc having radially extended cooling fins thereon and slidably mounted on and rotatable with said first hub said fins adjacent said arcuate spaced voids, f. a brake unit including a disc journal mounted on, g. a second hub, h. means rotatably mounting said second hub axially on said first hub, i. means normally urging said friction disc out of engagement with said disc journal, j. a brake housing having spaced arcuate voids as air passageways formed in the outer portion thereof and mounted on Said second hub, k. means separably connecting said clutch housing with said brake housing, l. said brake housing having an annular brake cylinder formed therein, m. an annular piston base having an annular brake piston thereon and slidable within said annular brake cylinder, n. said annular brake piston base having a friction facing thereon in axial alignment with said disc journal, o. means for normally urging said annular brake piston base with said friction facing thereon out of engagement with said disc journal, p. means for causing fluid pressure to urge said clutch piston against said friction disc to cause said second hub to rotate, q. means for causing fluid pressure to urge said brake piston against said disc journal to brake said second hub, r. said friction disc being formed with air passageways extending axially therethrough and radially spaced from said first hub, s. said disc journal being formed with air passageways extending axially and radially therethrough and communicating with said air passageways of said friction disc, t. said brake piston base being formed with annular air passageways extending axially therethrough and radially spaced from said second hub and communicating with said air passageways of said disc journal, the rotation of said friction disc causing a flow of air into and out of the air passageways of said clutch housing and friction disc which draws a second flow of air inwardly through the air passageways of the disc journal and a third flow of air inwardly through the air passageways of said brake housing and brake body, said second and third air flows joining said first air flow for exodus out of the clutch housing thereby cooling the brake unit when the disc journal is braked and not braked and alternatively when the friction disc is in engagement with the disc journal and rotating the disc journal air is drawn radially inwardly through the air passageways of said brake housing and brake body and is exhausted outwardly through the air passageways of said disc journal thereby cooling the brake unit, u. said means for normally urging said friction disc out of engagement with said disc journal including a coil spring mounted concentrically on said first hub in abutment at one end with said friction disc and in abutment at the other end with v. a shoulder carried by said first hub, w. said means connecting said clutch housing with said brake housing being separable and including a bearing mounted on said shoulder of said first hub, x. said second hub formed with a recess in which said bearing is mounted whereby the brake housing and the components thereof may be separated from the clutch housing and used separately or together.
Claim 10
Dependent Claim
704 words
A combination clutch-brake comprising: a. a clutch unit including a clutch housing having spaced arcuate voids as air passageways formed in the outer portion thereof, b. a first hub having means for connection with a shaft of a prime mover, c. an annular clutch piston slidably mounted on said first hub, d. an annular clutch cylinder formed on said housing and in which said clutch piston axially reciprocates, e. a friction disc having radially extended cooling fins thereon and slidably mounted on and rotatable with said first hub said fins adjacent said arcuate spaced voids, f. a brake unit including a disc journal mounted on, g. a second hub, h. means rotatably mounting said second hub axially on said first hub, i. means normally urging said friction disc out of engagement with said disc journal, j. a brake housing having spaced arcuate voids as air passageways formed in the outer portion thereof and mounted on said second hub, k. means separably connecting said clutch housing with said brake housing, l. said brake housing having an annular brake cylinder formed therein, m. an annular piston base having an annular brake piston thereon and slidable within said annular brake cylInder, n. said annular brake piston base having a friction facing thereon in axial alignment with said disc journal, o. means for normally urging said annular brake piston base with said friction facing thereon out of engagement with said disc journal, p. means for causing fluid pressure to urge said clutch piston against said friction disc to cause said second hub to rotate, q. means for causing fluid pressure to urge said brake piston against said disc journal to brake said second hub, r. said friction disc being formed with air passageways extending axially therethrough and radially spaced from said first hub, s. said disc journal being formed with air passageways extending axially and radially therethrough and communicating with said air passageways of said friction disc, t. said brake piston base being formed with annular air passageways extending axially therethrough and radially spaced from said second hub and communicating with said air passageways of said disc journal, the rotation of said friction disc causing a flow of air into and out of the air passageways of said clutch housing and friction disc which draws a second flow of air inwardly through the air passageways of the disc journal and a third flow of air inwardly through the air passageways of said brake housing and brake body, said second and third air flows joining said first air flow for exodus out of the clutch housing thereby cooling the brake unit when the disc journal is braked and not braked and alternatively when the friction disc is in engagement with the disc journal and rotating the disc journal air is drawn radially inwardly through the air passageways of said brake housing and brake body and is exhausted outwardly through the air passageways of said disc journal thereby cooling the brake unit, u. said means for normally urging said friction disc out of engagement with said disc journal including a coil spring mounted concentrically on said first hub in abutment at one end with said friction disc and in abutment at the other end with v. a shoulder carried by said first hub, w. said means for normally urging said annular brake piston with said friction facing thereon out of engagement with said disc journal including a rim connected by webs to said brake housing, x. a multiplicity of spring guide pins connected to said rim and extending through said air passageways of said brake housing, y. a multiplicity of eye bolts mounted on said annular piston base extending radial therefrom and through which said guide pins extend, z. a coil spring mounted on at least one of said guide pins between said rim and the eye of said eye bolt, aa. said means connecting said clutch housing with said brake housing being separable and including a bearing mounted on said shoulder of said first hub, bb. said second hub formed with a recess in which said bearing is mounted whereby the brake housing and the components thereof may be separated from the clutch housing and used separately or together.
Claim 11
Dependent Claim
704 words
A combination clutch-brake comprising: a. a clutch unit including a clutch housing having spaced arcuate voids as air passageways formed in the outer portion thereof, b. a first hub having means for connection with a shaft of a prime mover, c. an annular clutch piston slidably mounted on said first hub, d. an annular clutch cylinder formed on said housing and in which said clutch piston axially reciprocates, e. a friction disc having radially extended cooling fins thereon and slidably mounted on and rotatable with said first hub said fins adjacent said arcuate spaced voids, f. a brake unit including a disc journal mounted on, g. a second hub, h. means rotatably mounting said second hub axially on said first hub, i. means normally urging said friction disc out of engagement with said disc journal, j. a brake housing having spaced arcuate voids as air passageways formed in the outer portion thereof and mounted on said second hub, k. means separably connecting said clutch housing with said brake housing, l. said brake housing having an annular brake cylinder formed therein, m. an annular piston base having an annular brake piston thereon and slidable within said annular brake cylInder, n. said annular brake piston base having a friction facing thereon in axial alignment with said disc journal, o. means for normally urging said annular brake piston base with said friction facing thereon out of engagement with said disc journal, p. means for causing fluid pressure to urge said clutch piston against said friction disc to cause said second hub to rotate, q. means for causing fluid pressure to urge said brake piston against said disc journal to brake said second hub, r. said friction disc being formed with air passageways extending axially therethrough and radially spaced from said first hub, s. said disc journal being formed with air passageways extending axially and radially therethrough and communicating with said air passageways of said friction disc, t. said brake piston base being formed with annular air passageways extending axially therethrough and radially spaced from said second hub and communicating with said air passageways of said disc journal, the rotation of said friction disc causing a flow of air into and out of the air passageways of said clutch housing and friction disc which draws a second flow of air inwardly through the air passageways of the disc journal and a third flow of air inwardly through the air passageways of said brake housing and brake body, said second and third air flows joining said first air flow for exodus out of the clutch housing thereby cooling the brake unit when the disc journal is braked and not braked and alternatively when the friction disc is in engagement with the disc journal and rotating the disc journal air is drawn radially inwardly through the air passageways of said brake housing and brake body and is exhausted outwardly through the air passageways of said disc journal thereby cooling the brake unit, u. said means for normally urging said friction disc out of engagement with said disc journal including a coil spring mounted concentrically on said first hub in abutment at one end with said friction disc and in abutment at the other end with v. a shoulder carried by said first hub, w. said means for normally urging said annular brake piston with said friction facing thereon out of engagement with said disc journal including a rim connected by webs to said brake housing, x. a multiplicity of spring guide pins connected to said rim and extending through said air passageways of said brake housing, y. a multiplicity of eye bolts mounted on said annular piston base extending radial therefrom and through which said guide pins extend, z. a coil spring mounted on at least one of said guide pins between said rim and the eye of said eye bolt, aa. said means connecting said clutch housing with said brake housing being separable and including a bearing mounted on said shoulder of said first hub, bb. said second hub formed with a recess in which said bearing is mounted whereby the brake housing and the components thereof may be separated from the clutch housing and used separately or together.
Claim 12
Dependent Claim
138 words
A combination clutch-brake for combined use or use of the clutch or brake singly comprising: a. a clutch housing, b. a first hub mounted in said clutch housing for connection with a prime mover shaft, c. a clutch disc body slidably mounted on said hub, d. a brake housing, e. a second hub mounted in said brake housing, f. means removably connecting said second hub axially upon said first hub, g. a disc journal carried by said second hub, h. means for slidably moving said clutch disc axially on said first hub into contact with said disc journal to drive said hub, i. means for braking said disc journal to brake said second hub, and j. means removably connecting said clutch housing with said brake housing simultaneously with the connection of the second hub on the first hub.
Claim 13
Dependent Claim
138 words
A combination clutch-brake for combined use or use of the clutch or brake singly comprising: a. a clutch housing, b. a first hub mounted in said clutch housing for connection with a prime mover shaft, c. a clutch disc body slidably mounted on said hub, d. a brake housing, e. a second hub mounted in said brake housing, f. means removably connecting said second hub axially upon said first hub, g. a disc journal carried by said second hub, h. means for slidably moving said clutch disc axially on said first hub into contact with said disc journal to drive said hub, i. means for braking said disc journal to brake said second hub, and j. means removably connecting said clutch housing with said brake housing simultaneously with the connection of the second hub on the first hub.