US5010746A — Bicycle lock

Claim 1

Independent Claim 211 words

A bicycle lock comprising: (a) a U-shaped shackle and a cross bar designed to lock across the open end of said shackle; (b) said shackle formed with a pair of legs, one of said legs formed at its free end with means for securing said shackle at said free end to one end of said cross bar, said means also serving as a fulcrum to allow for a tilting motion between said shackle and said cross bar, the other of said legs formed at its free end with a lock engaging portion; (c) a locking mechanism mounted in the side of said cross bar in between said pair of legs of said shackle; (d) said locking mechanism including a dead bolt designed to engage said lock engaging portion of said other of said legs of said shackle, said dead bolt having two operative positions: a locking position in which said bolt extends into said lock engaging portion and, a non-locking position in which said bolt is withdrawn from said lock engaging portion, said dead bolt is designed to reciprocate between said two operative positions as effected by said locking mechanism when it is manipulated by a detachable key; and (e) means removably to secure said locking mechanism within said cross bar.

Claim 2

Dependent Claim 211 words

A bicycle lock comprising: (a) a U-shaped shackle and a cross bar designed to lock across the open end of said shackle; (b) said shackle formed with a pair of legs, one of said legs formed at its free end with means for securing said shackle at said free end to one end of said cross bar, said means also serving as a fulcrum to allow for a tilting motion between said shackle and said cross bar, the other of said legs formed at its free end with a lock engaging portion; (c) a locking mechanism mounted in the side of said cross bar in between said pair of legs of said shackle; (d) said locking mechanism including a dead bolt designed to engage said lock engaging portion of said other of said legs of said shackle, said dead bolt having two operative positions: a locking position in which said bolt extends into said lock engaging portion and, a non-locking position in which said bolt is withdrawn from said lock engaging portion, said dead bolt is designed to reciprocate between said two operative positions as effected by said locking mechanism when it is manipulated by a detachable key; and (e) means removably to secure said locking mechanism within said cross bar.

Claim 3

Dependent Claim 28 words

The bicycle lock of claim 1 wherein said cross bar has a cross section of one of a group consisting of: circular, rectangular, oval, pentagonal, hexagonal and octogonal.

Claim 4

Dependent Claim 42 words

The bicycle lock of claim 1 wherein said means for securing said shackle at its said free end of said one of said legs comprises a bent foot sloping at an obtuse angle from the longitudinal axis of said one leg thereof.

Claim 5

Dependent Claim 41 words

The bicycle lock of claim 1 wherein said locking mechanism is a cam operated dead bolt lock, and wherein said key is insertable in and removable from said locking mechanism only when said dead bolt is in its said locking position.

Claim 6

Dependent Claim 20 words

The bicycle lock of claim 1 wherein said locking mechanism normal to and is mounted flush with said cross bar.

Claim 7

Dependent Claim 26 words

The bicycle lock of claim 5 wherein said removably securing means for said normally mounted locking mechanism is a yoke mounted midway about said locking mechanism.

Claim 8

Dependent Claim 30 words

The bicycle lock of claim 5 wherein said removably securing means for said normally mounted locking mechanism is a member complementary to said dead bolt and encasing said locking mechanism.

Claim 9

Dependent Claim 33 words

The bicycle lock of claim 7 wherein said dead bolt and said member combine to define in right cross section one of a group consisting of: circular, rectangular, oval, pentagonal, hexagonal and octogonal.

Claim 10

Dependent Claim 31 words

The bicycle lock of claim 1 further including a cam operable by said detachable key, said cam operatively engaging said dead bolt and reciprocating it between its said two operative positions.

Claim 11

Dependent Claim 19 words

The bicycle lock of claim 8 wherein said member is provided with a guiding surface for said dead bolt.

Claim 12

Dependent Claim 21 words

The bicycle lock of claim 10 wherein said guiding surface is formed with a flat-bed surface bounded by parallel spaced edges.

Claim 13

Dependent Claim 34 words

The bicycle lock of claim 4 further including a spring mounted in said cam operated dead bolt lock, the compression of said spring allows the operative use of said detachable key within said lock.

Claim 14

Dependent Claim 254 words

A bicycle lock comprising: (a) a U-shaped shackle and a cross bar designed to lock across the open end of said shackle; (b) said shackle formed with a pair of legs, one of said legs formed at its free end with means for securing said shackle at said free end to one end of said cross bar, said means also serving as a fulcrum to allow for a tiling motion between said shackle and said cross bar, the other of said legs formed at its free end with a lock engaging portion; (c) a locking mechanism mounted in the side of said cross bar in between said pair of legs of said shackle and normal to said cross bar; (d) said locking mechanism including a dead bolt designed to engage said lock engaging portion of said other of said legs of said shackle, said dead bolt having two operative positions: a locking position in which said bolt extends into said lock engaging portion and, a non-locking position in which said bolt is withdrawn from said lock engaging portion, said dead bolt designed to reciprocate between said two operative positions as effected by said locking mechanism when it is manipulated by a detachable key; and (e) means removably to secure said locking mechanism within said cross bar; (f) said securing means comprising a member encasing said locking mechanism and being complementary to said dead bolt, said member provided with access means to said locking mechanism, and an fastener securing said locking mechanism within said member.

Claim 15

Dependent Claim 254 words

A bicycle lock comprising: (a) a U-shaped shackle and a cross bar designed to lock across the open end of said shackle; (b) said shackle formed with a pair of legs, one of said legs formed at its free end with means for securing said shackle at said free end to one end of said cross bar, said means also serving as a fulcrum to allow for a tiling motion between said shackle and said cross bar, the other of said legs formed at its free end with a lock engaging portion; (c) a locking mechanism mounted in the side of said cross bar in between said pair of legs of said shackle and normal to said cross bar; (d) said locking mechanism including a dead bolt designed to engage said lock engaging portion of said other of said legs of said shackle, said dead bolt having two operative positions: a locking position in which said bolt extends into said lock engaging portion and, a non-locking position in which said bolt is withdrawn from said lock engaging portion, said dead bolt designed to reciprocate between said two operative positions as effected by said locking mechanism when it is manipulated by a detachable key; and (e) means removably to secure said locking mechanism within said cross bar; (f) said securing means comprising a member encasing said locking mechanism and being complementary to said dead bolt, said member provided with access means to said locking mechanism, and an fastener securing said locking mechanism within said member.

Claim 16

Dependent Claim 78 words

The bicycle lock of claim 13 wherein said locking mechanism is mounted flush with said cross bar, and further a cam operable by said detachable key, said cam operatively engaging said dead bolt and reciprocating it between its said two operative positions in a direction perpendicular to said normally mounted locking mechanism, and one end plug for said cross bar mounted adjacent said locking mechanism and designed to prevent the dislodging of said mechanism from said cross bar.

Claim 17

Dependent Claim 44 words

The bicycle lock of claim 13 wherein said locking mechanism is a cam operated dead bolt lock, and said lock further including a spring mounted in said lock, the compression of said spring allows the operative use of said detachable key within said lock.

Claim 18

Dependent Claim 272 words

A bicycle lock comprising: (a) a U-shaped shackle and a cross bar designed to lock across the open end of said shackle; (b) said shackle formed with a pair of legs, one of said legs formed at its free end with means for securing said shackle at said free end to one end of said cross bar, said means also serving as a fulcrum to allow for a tilting motion between said shackle and said cross bar, the other of said legs formed at its free end with a lock engaging portion; (c) a locking mechanism mounted in the side of said cross bar in between said pair of legs of said shackle; (d) said locking mechanism mounted flush with and normal to said cross bar and including a dead bolt designed to engage said lock engaging portion of said other of said legs of said shackle; (e) said dead bolt having two operative positions: a locking position in which said bolt extends into said lock engaging portion and, a non-locking position in which said bolt designed to reciprocate between said two operative positions as effected by said locking mechanism when it is manipulated by a detachable key; and (f) a cam operable by said detachable key, said cam operatively engaging said dead bolt and reciprocating it between its said two operative positions, and one end plug for said cross bar, mounted adjacent said locking mechanism and designed to prevent the dislodging of said mechanism from said cross bar; (g) means removably to secure said locking mechanism within said cross bar, said securing means being a yoke mounted about said locking mechanism.

Claim 19

Dependent Claim 272 words

A bicycle lock comprising: (a) a U-shaped shackle and a cross bar designed to lock across the open end of said shackle; (b) said shackle formed with a pair of legs, one of said legs formed at its free end with means for securing said shackle at said free end to one end of said cross bar, said means also serving as a fulcrum to allow for a tilting motion between said shackle and said cross bar, the other of said legs formed at its free end with a lock engaging portion; (c) a locking mechanism mounted in the side of said cross bar in between said pair of legs of said shackle; (d) said locking mechanism mounted flush with and normal to said cross bar and including a dead bolt designed to engage said lock engaging portion of said other of said legs of said shackle; (e) said dead bolt having two operative positions: a locking position in which said bolt extends into said lock engaging portion and, a non-locking position in which said bolt designed to reciprocate between said two operative positions as effected by said locking mechanism when it is manipulated by a detachable key; and (f) a cam operable by said detachable key, said cam operatively engaging said dead bolt and reciprocating it between its said two operative positions, and one end plug for said cross bar, mounted adjacent said locking mechanism and designed to prevent the dislodging of said mechanism from said cross bar; (g) means removably to secure said locking mechanism within said cross bar, said securing means being a yoke mounted about said locking mechanism.

Claim 20

Dependent Claim 44 words

The bicycle lock of claim 16 wherein said locking mechanism is a cam operated dead bolt lock, and said lock further including a spring mounted in said lock, the compression of said spring allows the operative use of said detachable key within said lock.

Claim 21

Dependent Claim 268 words

A bicycle lock comprising: (a) a U-shaped shackle and a cross bar designed to lock across the open end of said shackle; (b) said shackle formed at its free and with means for securing said shackle at said free end to one end of said cross bar, said means also serving as a fulcrum to allow for tilting motion between said shackle and said cross bar, the other of said legs formed at its free and with means for securing said shackle at said free end to one end of said cross bar, said means also serving as a fulcrum to allow for a tilting motion between said shackle and said cross bar, the other of said legs formed at its free end with a lock engaging portion; (c) a locking mechanism mounted in the side of said cross bar in between said pair of legs of said shackle; (d) said locking mechanism mounted flush with said cross bar and including a dead bolt designed to engage said lock engaging portion of said other of said legs of said shackle; (e) said dead bolt having two operative positions; a locking position in which said bolt extends into said lock engaging portion and, a non-locking position in which said two operative positions as effected by said locking mechanism when it is manipulated by a detachable key; and (f) a plastic cover for at least said cross bar, said plastic cover being formed of two parts and slid over said cross bar, one from each end, and means for securing said two parts of said plastic cover to each other.

Claim 22

Dependent Claim 268 words

A bicycle lock comprising: (a) a U-shaped shackle and a cross bar designed to lock across the open end of said shackle; (b) said shackle formed at its free and with means for securing said shackle at said free end to one end of said cross bar, said means also serving as a fulcrum to allow for tilting motion between said shackle and said cross bar, the other of said legs formed at its free and with means for securing said shackle at said free end to one end of said cross bar, said means also serving as a fulcrum to allow for a tilting motion between said shackle and said cross bar, the other of said legs formed at its free end with a lock engaging portion; (c) a locking mechanism mounted in the side of said cross bar in between said pair of legs of said shackle; (d) said locking mechanism mounted flush with said cross bar and including a dead bolt designed to engage said lock engaging portion of said other of said legs of said shackle; (e) said dead bolt having two operative positions; a locking position in which said bolt extends into said lock engaging portion and, a non-locking position in which said two operative positions as effected by said locking mechanism when it is manipulated by a detachable key; and (f) a plastic cover for at least said cross bar, said plastic cover being formed of two parts and slid over said cross bar, one from each end, and means for securing said two parts of said plastic cover to each other.

Claim 23

Dependent Claim 36 words

The bicycle lock of claim 18 wherein said means consists of one of the following: an interlock hook and eye; a jigsaw-puzzle interlock; a twist closing; and superimposed edges being welded or glued to each other.

Claim 24

Dependent Claim 29 words

The bicycle lock of claim 18 wherein one of said two parts of said plastic cover is further provided with means to effect environmental protection to said locking mechanism.

Claim 25

Dependent Claim 28 words

The bicycle lock of claim 20 wherein said environmental protection means comprises a cover slidable along the partial axial length of said one of said two plastic parts.

Claim 26

Dependent Claim 34 words

The bicycle lock of claim 20 wherein said environmental protection means comprises a flexible flap designed removably to cover a hole in said one of said two plastic cover parts over said locking mechanism.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1994-04-29	1994-10-29	1995-04-30	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	1998-04-29	1998-10-29	1999-04-30	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2002-04-29	2002-10-29	2003-04-30	$7700.00	Window Closed / Lapsed

Bicycle lock

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