US5755449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
In-line skate
Assignee: Celanese Sales Germany GmbH
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Filing: 1994-10-31
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Granted: 1998-05-26
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Expires: 2014-10-31
Abstract
Abstract Skate of the type including a shell with which at least one quarter is articulated and below which a frame is associated; the frame carries a plurality of aligned wheels. A support for a first brake is oscillatably articulated to the frame; the brake is connected to the quarter by means of a rod member. A second brake is also connected to the support and interacts with at least one of the wheels beyond a selected degree of rotation applied to the quarter.
Inventors
- 👤 Alessandro Pozzobon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:22
CPC Classifications
A; A63; A63C; A63C17/00; A63C17/14; A63C17/1445; A63C17/04; A63C17/06; A63C2017/1481
Claims Analysis
Total Claims: 27
Claim 1
Independent Claim
111 words
An in-line skate comprising a quarter articulated to a boot having a shell, a frame attached to the shell and supporting a plurality of aligned wheels, a first brake having a ground engageable brake pad, a support for said first brake connected to said frame, a rod member extending generally between said quarter and said first brake and arranged to move said brake pad into ground engagement in response to a predetermined degree of rotation of said quarter, and a second brake operatively attached to said quarter and arranged to interact with at least one of said wheels in response to rotation of said quarter beyond said predetermined degree of rotation.
Claim 2
Dependent Claim
111 words
An in-line skate comprising a quarter articulated to a boot having a shell, a frame attached to the shell and supporting a plurality of aligned wheels, a first brake having a ground engageable brake pad, a support for said first brake connected to said frame, a rod member extending generally between said quarter and said first brake and arranged to move said brake pad into ground engagement in response to a predetermined degree of rotation of said quarter, and a second brake operatively attached to said quarter and arranged to interact with at least one of said wheels in response to rotation of said quarter beyond said predetermined degree of rotation.
Claim 3
Dependent Claim
64 words
Skate according to claim 1, wherein said support for said first brake has two tabs pivoted at said frame, said second brake being constituted by a second pad which is associated at an adapted cross-member which connects said tabs of said support and passes at an adapted opening formed on said frame in a region that lies above at least one of said wheels.
Claim 4
Dependent Claim
25 words
Skate according to claim 2, wherein said cross-member is located in the interspace between the rear wheel and an intermediate wheel which is adjacent thereto.
Claim 5
Dependent Claim
48 words
Skate according to claim 2, wherein said second brake is connected to said cross-member by means of an adapted screw which has a head that can be accessed by the user at one end and is freely rotatably associated with one of said tabs at the other end.
Claim 6
Dependent Claim
35 words
Skate according to claim 4, wherein said cross-member has a selected inclination with respect to the ground and interacts with means that allow adjustment of their position at least with respect to said rear wheel.
Claim 7
Dependent Claim
48 words
Skate according to claim 1, wherein said second brake is constituted by a second pad which can move approximately at right angles to the ground in the interspace that lies between at least two intermediate wheels, such as the rear wheel and the wheel that is adjacent thereto.
Claim 8
Dependent Claim
30 words
Skate according to claim 6, wherein said second brake has first surfaces which are shaped approximately complementarily to the respective rolling surfaces of said mutually adjacent wheels and face them.
Claim 9
Dependent Claim
36 words
Skate according to claim 7, wherein said second brake is pivoted transversely to a pivot which is slidingly associated, at its ends, at two slots formed approximately at right angles to the ground at said frame.
Claim 10
Dependent Claim
53 words
Skate according to claim 8, wherein the movement of said second brake at said pair of slots occurs in contrast with a flexible element constituted by a spring which interacts with the lower surface of said second brake and with an abutment located transversely at the ends of the wings of said frame.
Claim 11
Dependent Claim
58 words
Skate according to claim 9, wherein the movement of said second brake towards the rolling surfaces of said mutually adjacent wheels occurs by virtue of an adapted cross-member which connects the upper ends of said tabs of said support for said first brake, said cross-member being movable at an adapted opening formed on said wings of said frame.
Claim 12
Dependent Claim
50 words
Skate according to claim 8, wherein the movement is transmitted to said second brake by adapted abutments which protrude from said tabs of said support towards said frame and interact, during the backward rotation of said quarter, with the ends of said pivot that protrude from said pair of slots.
Claim 13
Dependent Claim
39 words
Skate according to claim 1, wherein said second brake is arranged transversely to wings of said frame in a region that lies between at least two mutually adjacent wheels and in a position which is adjacent to the ground.
Claim 14
Dependent Claim
42 words
Skate according to claim 12, wherein said second brake is associated with a pivot that can slide approximately at right angles to the ground by virtue of the presence of two suitable slots formed starting from the free end of said wings.
Claim 15
Dependent Claim
75 words
Skate according to claim 13, wherein a rigid bar and/or a traction element, such as a cable, is associated with each one of the ends of said pivot and is rotatably associated, at its other end, at the end of two links which are located on the outside of said support for said first brake and are rotatably associated with said support at the ends which do not interact with said cable or rigid bar.
Claim 16
Dependent Claim
52 words
Skate according to claim 14, wherein said links are forced towards the ground by means of at least one flexible element, such as a spring, which is interposed between the sole of said shell and the end of said pair of links with which said cable or said rigid bar is associated.
Claim 17
Dependent Claim
43 words
Skate according to claim 15, wherein it comprises a stroke limit for the oscillation of said pair of links towards the ground, said stroke limit being constituted by two blocks which are arranged above the pivot for pivoting said support to said frame.
Claim 18
Dependent Claim
19 words
Skate according to claim 1, wherein said second brake is connected to said quarter by a second rod member.
Claim 19
Dependent Claim
19 words
Skate according to claim 17, wherein said second brake is connected to said support by a third rod member.
Claim 20
Dependent Claim
37 words
Skate according to claim 18, wherein said second brake comprises a roll supported by a pivot associated with at least said second rod member, said pivot being adapted to slide in a slot provided at said frame.
Claim 21
Dependent Claim
22 words
Skate according to claim 19, wherein said second rod member is connected to said second brake by means of an elastic member.
Claim 22
Dependent Claim
27 words
Skate according to claim 20, wherein said first rod member is constituted by a first rod piece and a second rod piece connected by an elastic member.
Claim 23
Dependent Claim
272 words
An in-line skate comprising at least one quarter articulated to a boot having a shell, a frame attached to the shell and supporting a plurality of aligned wheels, a support for a first brake oscillatably articulated to said frame, said support having two tabs pivoted at said frame and said first brake being connected to said quarter by a rod member, and a second brake constituted by a second pad which is associated with an adapted cross-member which connects said tabs of said support and passes at an adapted opening formed on said frame in a region that lies above at least one of said wheels, said second brake interacting with at least one of said wheels beyond a selected degree of rotation of said at least one quarter, said second brake being connected to said cross-member by means of an adapted screw which has a head that can be accessed by the user at one end and is freely rotatably associated with one of said tabs at the other end, said cross member having a selected inclination with respect to the ground and interacting with means that allow adjustment of the position of said cross-member at least with respect to said rear wheel, said second brake having a first surface which is shaped complementarily to the facing rolling surface of said rear wheel, said second brake having, in transverse cross-section, essentially the shape of a right triangle, a complementarily shaped inclined plane of a block associated with the stem of said screw by means of a seat which is threaded complementarily to said stem, interacting with the hypotenuse of said triangle.
Claim 24
Dependent Claim
272 words
An in-line skate comprising at least one quarter articulated to a boot having a shell, a frame attached to the shell and supporting a plurality of aligned wheels, a support for a first brake oscillatably articulated to said frame, said support having two tabs pivoted at said frame and said first brake being connected to said quarter by a rod member, and a second brake constituted by a second pad which is associated with an adapted cross-member which connects said tabs of said support and passes at an adapted opening formed on said frame in a region that lies above at least one of said wheels, said second brake interacting with at least one of said wheels beyond a selected degree of rotation of said at least one quarter, said second brake being connected to said cross-member by means of an adapted screw which has a head that can be accessed by the user at one end and is freely rotatably associated with one of said tabs at the other end, said cross member having a selected inclination with respect to the ground and interacting with means that allow adjustment of the position of said cross-member at least with respect to said rear wheel, said second brake having a first surface which is shaped complementarily to the facing rolling surface of said rear wheel, said second brake having, in transverse cross-section, essentially the shape of a right triangle, a complementarily shaped inclined plane of a block associated with the stem of said screw by means of a seat which is threaded complementarily to said stem, interacting with the hypotenuse of said triangle.
Claim 25
Dependent Claim
51 words
Skate according to claim 22,wherein the rotation of said screw entails a movement of said block along the axis of the stem of said screw, said movement forcing said second brake to move towards the rolling surface of the facing wheel so as to reduce its interspace to the intended value.
Claim 26
Dependent Claim
131 words
An in-line skate comprising: a quarter articulated to a boot having a shell, a frame attached to the shell and supporting a plurality of aligned wheels, a support for a first brake connected to said frame, said first brake having a ground engageable pad movable into ground engagement in response to a predetermined degree of rotation of said quarter, and a second brake operatively attached to said quarter, said second brake being responsive to rotation of said quarter and being arranged to interact with at least one of said wheels in response to rotation of said quarter beyond said predetermined degree of rotation, said second brake defining a first surface which is shaped complementarily to a facing surface of said one wheel and is arranged to interact with said one wheel.
Claim 27
Dependent Claim
131 words
An in-line skate comprising: a quarter articulated to a boot having a shell, a frame attached to the shell and supporting a plurality of aligned wheels, a support for a first brake connected to said frame, said first brake having a ground engageable pad movable into ground engagement in response to a predetermined degree of rotation of said quarter, and a second brake operatively attached to said quarter, said second brake being responsive to rotation of said quarter and being arranged to interact with at least one of said wheels in response to rotation of said quarter beyond said predetermined degree of rotation, said second brake defining a first surface which is shaped complementarily to a facing surface of said one wheel and is arranged to interact with said one wheel.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2001-05-25 | 2001-11-24 | 2002-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2005-05-25 | 2005-11-24 | 2006-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2009-05-25 | 2009-11-24 | 2010-05-26 | $7700.00 | Window Closed / Lapsed |