Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
304 words
In a brake: a rotor having a pair of friction faces; a pair of friction members, one of said friction members being disposed adjacent each of said friction faces; a torque member; a caliper slidably mounted on said torque member and operably connected to each of said friction members for urging said friction members into engagement with their corresponding friction faces when a brake application is effected; said caliper including a housing defining a chamber therewithin; and actuating means within said chamber for urging said friction members toward their corresponding friction faces; said actuating means including an extendible member slidable in said chamber and operably connected to one of said friction elements, said extendible member having a pair of relatively rotatable elements and extending upon relative rotation between said elements, cam means rotatably mounted in said bore for sliding said extendible member upon rotation of said cam means, and clutch means for coupling said cam means to one of said elements upon actuation of the brake and for uncoupling said cam means to permit the latter to rotate relative to said one element upon release of the brake, said clutch means including first means for permitting said cam means to initially rotate relative to said one element for a predetermined arc upon actuation of the brake and second means for coupling said one element to said cam means for rotation therewith after said cam means is rotated through said predetermined arc. CM,2Nvention of claim 1: said clutch means being responsive to the torque resisting rotation of said one element by the engagement of the latter with the other element to permit the cam means to rotate relative to said one element when said cam means is rotated past said predetermined arc when the torque resisting rotation of said one element exceeds a predetermined amount.
Claim 2
Dependent Claim
42 words
The invention of claim 2: means interconnecting said relatively rotatable elements in such a manner that said torque resisting rotation of said one element is proportional to the actuating force exerted through said elements from said cam means to the friction members.
Claim 3
Dependent Claim
13 words
The invention of claim 3: said last-mentioned means being threads interconnecting said elements.
Claim 4
Dependent Claim
89 words
The invention of claim 2: said cam means including a lever rotatably mounted in said chamber and rotating in an actuation direction when a brake application is effected and in a return direction when the brake is released; said clutch means including resilient means operatively connected to said lever and to said one element, said lever rotating relative to said resilient means for said predetermined arc and thereafter rotating said resilient means to rotate said one element, said lever rotating relative to said resilient means in said return direction.
Claim 5
Dependent Claim
74 words
The invention of claim 5: said resilient means exerting a predetermined coupling torque on said one element to couple tHe latter to the lever when the resilient means is rotated by the latter; said resilient means rotating relative to said one element to prevent rotation of the latter when the torque exerted by the other element resisting rotation of the one element exceeds the coupling torque exerted on said one element by said spring.
Claim 6
Dependent Claim
85 words
The invention of claim 2: said one element defining a bore therewithin; a sleeve rotatable in said bore and extending axially into the latter a distance less than the length of said bore, said sleeve operably connected to said lever; said resilient means being a coiled spring compressed radially in said bore and extending axially into said sleeve so that the outer circumferential surfaces of the coils of the spring frictionally engage the wall of the bore and the inner circumferential surface of said sleeve.
Claim 7
Dependent Claim
89 words
The invention of claim 7; and means interconnecting said relatively rotatable elements in such a manner that said torque resisting rotation of said one element by the engagement of the latter with the other element is proportional to the actuating force exerted through said elements from said lever to the friction members; said coiled spring slipping relative to said bore when the torque exerted on said one element by the other element exceeds the torque due to frictional engagement of said coiled spring with the wall of said bore.
Claim 8
Dependent Claim
61 words
The invention of claim 8: the diameter of the inner circumferential surface of said sleeve being greater than the diameter of said bore, whereby the frictional force between the coils of said coiled spring and the wall of the bore is greater than the frictional force between the coils of said coiled spring and the inner circumferential surface of said sleeve.
Claim 9
Dependent Claim
31 words
The invention of claim 7: said first means including an arcuate slot in said cam means, said second means including a key extending from said sleeve and received within said slot.
Claim 10
Dependent Claim
36 words
The invention of claim 1: said first means including an arcuate slot in said camming means, said second means including a key operably connected to said one element, said key being slidably received within said slot.