CA2233232C - Boule d'attache avec amortissement dans les deux sens - Google Patents

Boule d'attache avec amortissement dans les deux sens Download PDF

Info

Publication number: CA2233232C
Authority: CA; Canada
Prior art keywords: tube; draw bar; trailer hitch; hitch; support bar
Prior art date: 1997-06-02
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Expired - Fee Related

Application number

CA002233232A

Other languages

English (en)

Other versions

CA2233232A1 (fr

Inventor

Robert D. Van Vleet

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1997-06-02

Filing date

1998-03-27

Publication date

2002-05-28

1997-06-02 Priority claimed from US08/867,211 external-priority patent/US5823560A/en

1998-03-27 Application filed by Individual filed Critical Individual

1998-03-27 Priority to CA002233232A priority Critical patent/CA2233232C/fr

1998-12-02 Publication of CA2233232A1 publication Critical patent/CA2233232A1/fr

2002-05-28 Application granted granted Critical

2002-05-28 Publication of CA2233232C publication Critical patent/CA2233232C/fr

2018-03-27 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

230000035939 shock Effects 0.000 claims abstract description 20
229920002635 polyurethane Polymers 0.000 claims description 4
239000004814 polyurethane Substances 0.000 claims description 4
238000010521 absorption reaction Methods 0.000 claims description 3
239000007787 solid Substances 0.000 claims description 3
230000007246 mechanism Effects 0.000 abstract description 4
241001236644 Lavinia Species 0.000 description 4
230000000717 retained effect Effects 0.000 description 3
229910000831 Steel Inorganic materials 0.000 description 2
230000006872 improvement Effects 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
230000004048 modification Effects 0.000 description 2
238000012986 modification Methods 0.000 description 2
230000036316 preload Effects 0.000 description 2
239000010959 steel Substances 0.000 description 2
238000006467 substitution reaction Methods 0.000 description 2
ONIBWKKTOPOVIA-BYPYZUCNSA-N L-Proline Chemical compound OC(=O)[C@@H]1CCCN1 ONIBWKKTOPOVIA-BYPYZUCNSA-N 0.000 description 1
230000001133 acceleration Effects 0.000 description 1
230000008901 benefit Effects 0.000 description 1
230000008878 coupling Effects 0.000 description 1
238000010168 coupling process Methods 0.000 description 1
238000005859 coupling reaction Methods 0.000 description 1
230000000694 effects Effects 0.000 description 1
239000000463 material Substances 0.000 description 1
239000002184 metal Substances 0.000 description 1
230000009467 reduction Effects 0.000 description 1
239000012858 resilient material Substances 0.000 description 1

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/50—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting resiliently mounted

Landscapes

Engineering & Computer Science (AREA)
Transportation (AREA)
Mechanical Engineering (AREA)
Vibration Prevention Devices (AREA)

CA002233232A 1997-06-02 1998-03-27 Boule d'attache avec amortissement dans les deux sens Expired - Fee Related CA2233232C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA002233232A CA2233232C (fr)	1997-06-02	1998-03-27	Boule d'attache avec amortissement dans les deux sens

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US08/867,211		1997-06-02
US08/867,211 US5823560A (en)	1997-06-02	1997-06-02	Two way cushioning trailer hitch
CA002233232A CA2233232C (fr)	1997-06-02	1998-03-27	Boule d'attache avec amortissement dans les deux sens

Publications (2)

Publication Number	Publication Date
CA2233232A1 CA2233232A1 (fr)	1998-12-02
CA2233232C true CA2233232C (fr)	2002-05-28

Family

ID=25680106

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA002233232A Expired - Fee Related CA2233232C (fr)	1997-06-02	1998-03-27	Boule d'attache avec amortissement dans les deux sens

Country Status (1)

Country	Link
CA (1)	CA2233232C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN112319156B (zh) *	2020-11-05	2024-08-23	盐城市泰康工程检测有限公司	一种路面摩擦系数测试车牵引装置

1998
- 1998-03-27 CA CA002233232A patent/CA2233232C/fr not_active Expired - Fee Related

Also Published As

Publication number	Publication date
CA2233232A1 (fr)	1998-12-02

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Legal Events

Date	Code	Title	Description
1999-02-08	EEER	Examination request
2007-03-27	MKLA	Lapsed