US3680879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible bicycle
Assignee: Individual
•
Filing: 1970-07-30
•
Granted: 1972-08-01
•
Expires: 1990-07-30
Abstract
Abstract A collapsible bicycle is disclosed which can be made into or converted into various tandem or coupled arrangements by means of interfitting and interchangeable segments.
Inventors
- 👤 Joseph A Cogliano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:53
CPC Classifications
B; B62; B62K; B62K15/00; B62K15/006
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
391 words
A collapsible bicycle which comprises: 1. a front unit which includes: a. a front fork; b. a wheel means which is rotably attached to the lower end of said front fork (a); c. a steering means which is attached to the upper portion of said front fork (A); d. a head-tube which is rotably attached to the middle portion of said front fork (a) which allows said front fork (a) to be pivoted while said head tube remains stationary; e. an upper bar which is attached on one end to said head-tube (d); f. an upper attachment means which is permanently attached on one end to said upper bar (e); g. a lower bar which is permanently attached on one end to said head-tube (d) below the attachment point of said upper bar (e) and which generally extends away from said head tube (d) in a downward direction; and h. a lower attachment means which is permanently attached to the end of said lower bar(g); and 2. a back unit which includes: i. pillar means; j. a seat which is attached to the upper portion of said pillar means (i); k. a housing, which is attached to said pillar means (i); l. a first fork means, the head of which is attached to the lower portion of said pillar means (i) or said housing (k), and which is generally situated in a horizontal manner; m. a second fork means, the head of which is attached to the upper portion of said pillar means (i) and which is situated so that the ends of the legs thereof are connected to the ends of said first fork (l); n. wheel means rotably attached to forks (m) and 1. at the intersection of the ends of the legs thereof; and o. propulsion means which is rotably mounted in said housing (k) and which is attached to said wheel means (n) in such a manner that said wheel means (n) rotates when said propulsion means rotates, said upper attachment means (f) being detachably affixed to said pillar means (i), said lower attachment means (h) being detachably affixed to said housing (k) or to the lower portion of said pillar means (i) just above said housing (k), and said lower attachment means (h) including transverse tubular means rotable or pivotable in a vertical plane during assembly.
Claim 2
Dependent Claim
391 words
A collapsible bicycle which comprises: 1. a front unit which includes: a. a front fork; b. a wheel means which is rotably attached to the lower end of said front fork (a); c. a steering means which is attached to the upper portion of said front fork (A); d. a head-tube which is rotably attached to the middle portion of said front fork (a) which allows said front fork (a) to be pivoted while said head tube remains stationary; e. an upper bar which is attached on one end to said head-tube (d); f. an upper attachment means which is permanently attached on one end to said upper bar (e); g. a lower bar which is permanently attached on one end to said head-tube (d) below the attachment point of said upper bar (e) and which generally extends away from said head tube (d) in a downward direction; and h. a lower attachment means which is permanently attached to the end of said lower bar(g); and 2. a back unit which includes: i. pillar means; j. a seat which is attached to the upper portion of said pillar means (i); k. a housing, which is attached to said pillar means (i); l. a first fork means, the head of which is attached to the lower portion of said pillar means (i) or said housing (k), and which is generally situated in a horizontal manner; m. a second fork means, the head of which is attached to the upper portion of said pillar means (i) and which is situated so that the ends of the legs thereof are connected to the ends of said first fork (l); n. wheel means rotably attached to forks (m) and 1. at the intersection of the ends of the legs thereof; and o. propulsion means which is rotably mounted in said housing (k) and which is attached to said wheel means (n) in such a manner that said wheel means (n) rotates when said propulsion means rotates, said upper attachment means (f) being detachably affixed to said pillar means (i), said lower attachment means (h) being detachably affixed to said housing (k) or to the lower portion of said pillar means (i) just above said housing (k), and said lower attachment means (h) including transverse tubular means rotable or pivotable in a vertical plane during assembly.
Claim 3
Dependent Claim
118 words
a back unit which includes: i. pillar means; j. a seat which is attached to the upper portion of said pillar means (i); k. a housing, which is attached to said pillar means (i); l. a first fork means, the head of which is attached to the lower portion of said pillar means (i) or said housing (k), and which is generally situated in a horizontal manner; m. a second fork means, the head of which is attached to the upper portion of said pillar means (i) and which is situated so that the ends of the legs thereof are connected to the ends of said first fork (l); n. wheel means rotably attached to forks (m) and
Claim 4
Dependent Claim
118 words
a back unit which includes: i. pillar means; j. a seat which is attached to the upper portion of said pillar means (i); k. a housing, which is attached to said pillar means (i); l. a first fork means, the head of which is attached to the lower portion of said pillar means (i) or said housing (k), and which is generally situated in a horizontal manner; m. a second fork means, the head of which is attached to the upper portion of said pillar means (i) and which is situated so that the ends of the legs thereof are connected to the ends of said first fork (l); n. wheel means rotably attached to forks (m) and
Claim 5
Dependent Claim
16 words
A collapsible bicycle as described in claim 1 wherein said back unit (2) includes a carrier.
Claim 6
Dependent Claim
52 words
a center unit which includes; i. pillar means, which is detachable affixed upper attachment means (f); j. a seat which is attached to the upper portion of said pillar means (i); k. a housing, which is attached to said pillar means (i), and which is detachably affixed to lower attachment means (h);
Claim 7
Dependent Claim
52 words
a center unit which includes; i. pillar means, which is detachable affixed upper attachment means (f); j. a seat which is attached to the upper portion of said pillar means (i); k. a housing, which is attached to said pillar means (i), and which is detachably affixed to lower attachment means (h);
Claim 8
Dependent Claim
212 words
a back unit which includes: q. pillar means, which is detachably affixed to upper attachment means (m); r. a seat which is attached to the upper portion of said pillar means (q); s. a housing, which is attached to said pillar means (q), and which is detachably affixed to lower attachment means (o); t. a first fork means the head of which is attached to the lower portion of said pillar means (q) or said housing (s), and which is generally situated in a horizontal manner; u. a second fork means the head of which is attached to the upper portion of said pillar means (q) and which is situated so that the ends of the legS thereof are connected to the ends of said first fork (t); v. wheel means rotably attached to forks (u) and (t) at the intersection of the ends of the legs thereof; and w. propulsion means which is rotably mounted in said housing (s) and which is attached to said wheel means (v) and said propulsion means (p) in such a manner that said wheel means (v) rotates when said propulsion means (p) and (w) rotate, said lower attachment means (h) and (o) including transverse tubular means rotable or pivotable in a vertical plane during assembly.
Claim 9
Dependent Claim
212 words
a back unit which includes: q. pillar means, which is detachably affixed to upper attachment means (m); r. a seat which is attached to the upper portion of said pillar means (q); s. a housing, which is attached to said pillar means (q), and which is detachably affixed to lower attachment means (o); t. a first fork means the head of which is attached to the lower portion of said pillar means (q) or said housing (s), and which is generally situated in a horizontal manner; u. a second fork means the head of which is attached to the upper portion of said pillar means (q) and which is situated so that the ends of the legS thereof are connected to the ends of said first fork (t); v. wheel means rotably attached to forks (u) and (t) at the intersection of the ends of the legs thereof; and w. propulsion means which is rotably mounted in said housing (s) and which is attached to said wheel means (v) and said propulsion means (p) in such a manner that said wheel means (v) rotates when said propulsion means (p) and (w) rotate, said lower attachment means (h) and (o) including transverse tubular means rotable or pivotable in a vertical plane during assembly.
Claim 10
Dependent Claim
148 words
A collapsible bicycle as described in claim 1 wherein said upper bar (e) comprises a short tube, the end of said short tube opposite said end being attached to said head tube, and a long tube, which is attached to said short tube and said upper attachment means (f), wherein said upper attachment means (f) comprises a U-shaped piece which fits around said pillar means (i) and a bolt inserted through holes in said U-shaped piece which holds said pillar means (i) in place, wherein said lower attachment means (h) comprises a short cross bar, attached to the end of lower bar (g), and a short cross tube, which is attached to said housing (k) and which contains an L-shaped slot, said short cross bar having been inserted into said short cross tube and twisted so that said lower bar (g) locks said short cross bar in place.
Claim 11
Dependent Claim
28 words
A collapsible bicycle as described in claim 1 wherein the handle bars of said steering means (c) are detachably affixed to said remainder of said steering means (c).
Claim 12
Dependent Claim
18 words
A collapsible bicycle as described in claim 1 wherein said seat is slidably attached to pillar means (i).
Claim 13
Dependent Claim
154 words
A collapsible bicycle as described in claim 1 wherein said upper bar (e) comprises a short tube, the end of said short tube opposite said end, being attached to said head tube, and a long tube which is attached to said short tube and said upper attachment means (f), wherein said upper attachment means comprises a U-shaped piece which fits around said pillar means (i) and a bolt inserted through holes in said U-shaped piece which holds said pillar means (i) in place, where said lower attachment means (h) comprises a short cross bar, attached to the end of lower bar (g), and a short cross piece which contains a plate attached to housing (k) and two facing C-shaped pieces, one on each end of said plate said short cross bar having been inserted into said short cross piece and twisted so that said lower bar (g) locks said short cross bar in place.
Claim 14
Dependent Claim
167 words
A collapsible bicycle as described in claim 1 wherein said upper bar (e) comprises a short tube, the end of said short tube opposite said end being attached to said head tube, and a long tube, which is attached to the said short tube and said upper attachment means (f) wherein said upper attachment means comprises a U-shaped piece which fits around said pillar means (i) and a bolt inserted through holes in said U-shaped piece which holds said pillar means (i) in place, wherein said lower attachment means (h) comprises a short cross hollow tube having both ends c-shaped attached to the end of lower bar (g), and a ring, said cross short hollow tube having been inserted over said housing and said ring inserted over said housing and one of said C-shaped end of said short cross tube and attached to the end of said housing, which locks said short cross hollow tube in place when said front and back units are twisted in place
Claim 15
Dependent Claim
33 words
A collapsible bicycle as described in claim 1 wherein said bicycle can be converted from a man''s bicycle to a woman''s bicycle and vice versa, by interchanging the properly shaped upper bars (e).
Claim 16
Dependent Claim
12 words
A process which comprises assemblying or disassemblying the bicycle of claim 1.
Claim 17
Dependent Claim
31 words
A collapsible bicycle as described in claim 1 wherein said lower attachment means (h) is detachably affixed to the lower portion of said pillar means (i) just above said housing (k).
Claim 18
Dependent Claim
5 words
A collapsible bicycle which includes:
Claim 19
Dependent Claim
5 words
A collapsible bicycle which includes:
Claim 20
Dependent Claim
220 words
A collapsible bicycle as described in claim 11, wherein said propulsion means (p) comprises crank shaft (x) and a pair of foot pedals attached thereto, wherein said propulsion means (w) comprises crank shaft (y) and a pair of foot pedals, wherein wheel means (v) is mounted to forks (u) and (t) by means of rotable shaft means (aa), wherein small gear (bb) is mounted on rotable shaft means (aa), wherein small gear (cc) is mounted on crank shaft (y), wherein small gear (bb) and small gear (cc) are interconnected by means of bicycle chain (dd), wherein large gear (ee) is mounted on crank shaft (y), wherein housing (ff) is mounted on lower bar (n) between housing (k) and lower attachment means (o), wherein shaft (gg) is rotably mounted in housing (ff), wherein large gear (hh) is mounted on shaft (gg) and intermeshes with large gear (dd) in a rotable manner, wherein small gear (ii) is mounted on shaft (gg), wherein small gear (jj) is mounted on crank shaft (x), and wherein small gear (ii) and small gear (jj) are interconnected by means of bicycle chain (kk), said bicycle chain (kk) being placed on said small gears (ii) and (jj) in such a manner that it crosses over itself forming an X in the space between said gears (ii) and (jj).
Claim 21
Dependent Claim
159 words
A driving mechanism for a multiple-seat, multiple-pedal bicycle which comprises a two-wheeled bicycle containing small gear (a) mounted on the rear wheel shaft, small gear (b) mounted on the rear crank shaft, bicycle chain (c) interconnecting small gear (a) and small gear (b), large gear (d) mounted on the rear crank shaft, small gear (e) mounted on the next-to-rear crank shaft, shaft housing (f) mounted on the bar connecting the housing for the rear and next-to-rear crank shaft housings, shaft (g) rotably mounted in shaft housing (f), small gear (h) mounted on shaft (g), bicycle chain (i) interconnecting small gear (e) and small gear (h), bicycle chain (i) being placed on said small gears (e) and (h) in such a manner that it crosses over itself forming an X in the space between small gears (e) and (h), and large gear (j) mounted on shaft (g), said large gear (d) and large gear (j) intermeshing in a rotable manner.
Claim 22
Dependent Claim
159 words
A driving mechanism for a multiple-seat, multiple-pedal bicycle which comprises a two-wheeled bicycle containing small gear (a) mounted on the rear wheel shaft, small gear (b) mounted on the rear crank shaft, bicycle chain (c) interconnecting small gear (a) and small gear (b), large gear (d) mounted on the rear crank shaft, small gear (e) mounted on the next-to-rear crank shaft, shaft housing (f) mounted on the bar connecting the housing for the rear and next-to-rear crank shaft housings, shaft (g) rotably mounted in shaft housing (f), small gear (h) mounted on shaft (g), bicycle chain (i) interconnecting small gear (e) and small gear (h), bicycle chain (i) being placed on said small gears (e) and (h) in such a manner that it crosses over itself forming an X in the space between small gears (e) and (h), and large gear (j) mounted on shaft (g), said large gear (d) and large gear (j) intermeshing in a rotable manner.
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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) | 1975-08-01 | 1976-01-31 | 1976-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-01 | 1980-01-31 | 1980-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-01 | 1984-01-31 | 1984-08-01 | $7700.00 | Window Closed / Lapsed |