CA1174819A - Remote control assembly(vibration dampening) - Google Patents
Remote control assembly(vibration dampening)Info
- Publication number
- CA1174819A CA1174819A CA000434338A CA434338A CA1174819A CA 1174819 A CA1174819 A CA 1174819A CA 000434338 A CA000434338 A CA 000434338A CA 434338 A CA434338 A CA 434338A CA 1174819 A CA1174819 A CA 1174819A
- Authority
- CA
- Canada
- Prior art keywords
- conduit
- mold
- cavity
- end fitting
- vibration dampener
- Prior art date
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
- F16C1/26—Construction of guiding-sheathings or guiding-tubes
- F16C1/262—End fittings; Attachment thereof to the sheathing or tube
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C1/00—Flexible shafts; Mechanical means for transmitting movement in a flexible sheathing
- F16C1/10—Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden-mechanisms"
- F16C1/107—Sealing details
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2220/00—Shaping
- F16C2220/02—Shaping by casting
- F16C2220/04—Shaping by casting by injection-moulding
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
ABSTRACT
In respect of a motion transmitting remote control assembly of the type for transmitting motion in a curved path by a flexible motion transmitting core element including a flexible motion transmitting core element and a flexible conduit, a mold assembly and a method for making the motion transmitting remote control assembly are disclosed. In the assembly, an end fitting is disposed about the end portion of the conduit for supporting the conduit and core element with the core element extending from the end fitting. The assembly also includes a support housing for supporting the end fitting and the conduit on a support structure. The assembly is characterized by a resilient vibration dampener disposed between the support housing and the end fitting for providing noise and vibration isolation therebetween. The method for making the motion transmitting remote control assembly includes the steps of: inserting the end portion of the conduit into a cavity of a first mold and injecting organic polymeric material into the cavity for molding the end fitting about the conduit;
inserting the end fitting into a cavity of a second mold and injecting a vibration dampening material into the mold for molding a vibration damp-ener about the end fitting; and placing the vibration dampener into a cavity of a third mold and injecting an organic polymeric material for molding a support housing about the vibration dampener.
In respect of a motion transmitting remote control assembly of the type for transmitting motion in a curved path by a flexible motion transmitting core element including a flexible motion transmitting core element and a flexible conduit, a mold assembly and a method for making the motion transmitting remote control assembly are disclosed. In the assembly, an end fitting is disposed about the end portion of the conduit for supporting the conduit and core element with the core element extending from the end fitting. The assembly also includes a support housing for supporting the end fitting and the conduit on a support structure. The assembly is characterized by a resilient vibration dampener disposed between the support housing and the end fitting for providing noise and vibration isolation therebetween. The method for making the motion transmitting remote control assembly includes the steps of: inserting the end portion of the conduit into a cavity of a first mold and injecting organic polymeric material into the cavity for molding the end fitting about the conduit;
inserting the end fitting into a cavity of a second mold and injecting a vibration dampening material into the mold for molding a vibration damp-ener about the end fitting; and placing the vibration dampener into a cavity of a third mold and injecting an organic polymeric material for molding a support housing about the vibration dampener.
Claims (12)
PROPERTY OR PRIVILEGE IS CLAIMED ARE DEFINED AS FOLLOWS:
1. A method for making a motion transmitting remote control assembly of the type for supporting a flexible motion transmitting core element including the steps of: inserting the end portion of a conduit into a cavity of a first mold and injecting a hardenable organic polymer into the cavity for molding an end fitting about the conduit; inserting the end fitting into a cavity of a second mold and injecting a hardenable vibration dampening material into the cavity of the second mold to mold the vibration dampening material about the end fitting and the end portion of the conduit to define a vibration dampener including an extending section; placing the conduit with the vibration dampener in a third mold having a third cavity, the extending section engaging the third mold and the remaining portion of the vibration dampener being spaced from the third mold defining the third cavity; injecting a hardenable organic polymer into the third cavity about the vibration dampener to form a support member spaced from and isolated from said end fitting by the vibration dampener; and allowing the materials of the end fitting, vibration dampener and support member to harden so that the vibration dampener is softer than the end fitting or the support member.
2. A method as set forth in claim 1 including encapsulating the end fitting and the end portion of the conduit adjacent the end fitting within the vibration dampener.
3. A method as set forth in claim 2 including molding the extending section as a cylindrical section of the vibration dampener surrounding the end portion of the conduit immediately adjacent the end fitting and molding an annular end wall in the support member surrounding the cylindrical section whereby the support member is completely isolated from contact with the conduit and the end fitting.
4. A method as set forth in claim 3 further defined as inserting the conduit into the first mold having an integral mandrel with the mandrel extending into the bore of the conduit and defining the bore of the end fitting and insertion control means including at least one pin radially spaced from the mandrel for abutting against the end face of the conduit at a predetermined point within the cavity.
5. A method for making a motion transmitting remote control assembly of the type including a guide means and a male swivel portion having a convex spherical surface for supporting a flexible motion transmitting core element including the steps of; disposing a vibration dampening material about the guide means to define a vibration dampener including an extending section and disposing an organic polymeric support member about the vibration dampener so that the extending section extends through the support member to isolate the guide means from the support member and about the male swivel portion to form a female swivel portion having a partially concave spherical surface in mating engagement with the convex spherical surface of the male swivel portion.
6. A method as set forth in claim 5 further characterized by including the step of molding the extending section as a cylindrical section of the vibration dampener surrounding the end portion of the conduit immediately adjacent the end fitting and molding an annular end wall in the support member surrounding the cylindrical section whereby the support member is completely isolated from contact with the conduit and the end fitting.
7. A method as set forth in claim 5 wherein the guide means includes an insert member engaging the convex spherical surface of the male swivel portion at least beyond the front end face thereof, said method further characterized by including the steps of supporting the insert member between the vibration dampener and the male swivel portion and disposing the support member about the vibration dampener and male swivel portion to support the male swivel portion against the insert member for pivotal movement relative thereto.
8. A method as set forth in claim 5 wherein the guide means includes a conduit and an end fitting and further characterized by including the steps of inserting the end portion of the conduit into cavity of a first mold and injecting an organic polymeric material into the cavity for molding an end fitting about the conduit.
9. A method as set forth in claim 8 further characterized by molding the end fitting substantially about the end face of the conduit.
10. A method for making a motion transmitting remote control assembly of the type having a guide means for supporting a flexible motion transmitting core element including the steps of; inserting the guide means into a cavity of a mold and injecting a hardenable vibration dampening material into the cavity of the mold to mold the vibration dampening material about the guide means to define a vibration dampener including an extending section; placing the guide means with the vibration dampener in an additional mold having a cavity, the extending section engaging the additional mold and the remaining portion of the vibration dampener being spaced from the cavity of the additional mold; injecting a hardenable organic polymer into the cavity of the additional mold about the vibration dampener to form a support member spaced from and isolated from said guide means by the vibration dampener; and allowing the materials of the vibration dampener and support member to harden so that the vibration dampener is softer than the support member.
11. A method as set forth in claim 10 wherein the guide means includes a conduit and an end fitting and further characterized by first inserting the end portion of the conduit into a cavity of a first mold and injecting an organic polymeric material into the cavity for molding an end fitting about the conduit; thereafter inserting the end fitting into the second cavity of the second mold for molding the vibration dampener with the additional mold being the third mold for molding the support member.
12. A mold for molding a motion transmitting remote control assembly of the type including a flexible motion transmitting core element supported by a conduit having an end fitting at the end thereof, said mold comprising a hollow mold body defining a cavity having an end wall therewithin including a mandrel extending from said end wall and into said cavity for defining the bore of the end fitting and including at least one pin radially spaced from said mandrel and extending from said end wall for abutting the end of the conduit as the conduit is inserted into the cavity for spacing the end of the conduit from said end wall and along the mandrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000434338A CA1174819A (en) | 1980-06-23 | 1983-08-10 | Remote control assembly(vibration dampening) |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US162,172 | 1980-06-23 | ||
| US06/162,172 US4348348A (en) | 1980-06-23 | 1980-06-23 | Method for making a remote control assembly with vibration dampener |
| CA000375749A CA1161340A (en) | 1980-06-23 | 1981-04-16 | Remote control assembly (vibration dampening) |
| CA000434338A CA1174819A (en) | 1980-06-23 | 1983-08-10 | Remote control assembly(vibration dampening) |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000375749A Division CA1161340A (en) | 1980-06-23 | 1981-04-16 | Remote control assembly (vibration dampening) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1174819A true CA1174819A (en) | 1984-09-25 |
Family
ID=27167032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000434338A Expired CA1174819A (en) | 1980-06-23 | 1983-08-10 | Remote control assembly(vibration dampening) |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1174819A (en) |
-
1983
- 1983-08-10 CA CA000434338A patent/CA1174819A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |