CA1245482A - Vehicle-carrying purpose wrench - Google Patents
Vehicle-carrying purpose wrenchInfo
- Publication number
- CA1245482A CA1245482A CA000552764A CA552764A CA1245482A CA 1245482 A CA1245482 A CA 1245482A CA 000552764 A CA000552764 A CA 000552764A CA 552764 A CA552764 A CA 552764A CA 1245482 A CA1245482 A CA 1245482A
- Authority
- CA
- Canada
- Prior art keywords
- side wall
- casing
- drive
- tool
- drive shaft
- 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
Abstract
TITLE OF THE INVENTION: A VEHICLE-CARRYING PURPOSE
WRENCH
ABSTRACT OF THE DISCLOSURE:
The vehicle-carrying purpose wrench mainly comprises a housing assembly and a tool assembly whrerin the housing assembly furher includes a motor casing, a tool casing, a cover and a handle. The tool assembly disposed in the tool casing cooperates with a reversible motor received in the motor casing.
by controlling the trigger assembly mounted in the handle, the rotation force can be transmitted to the tool assembly and hence to achieve the purpose of tightening or loosening the screws used for fixing a tire to a vehicle.
Cont''d/2
WRENCH
ABSTRACT OF THE DISCLOSURE:
The vehicle-carrying purpose wrench mainly comprises a housing assembly and a tool assembly whrerin the housing assembly furher includes a motor casing, a tool casing, a cover and a handle. The tool assembly disposed in the tool casing cooperates with a reversible motor received in the motor casing.
by controlling the trigger assembly mounted in the handle, the rotation force can be transmitted to the tool assembly and hence to achieve the purpose of tightening or loosening the screws used for fixing a tire to a vehicle.
Cont''d/2
Description
~2g~S~
BAClCGROUND OF THE INVENTION:
This inventlon relates to a wrench and in particular to one which is easily carried and can take the vehicle electric power as its power source thexeby it facilita-tes the replacement of the wasted tire of a vehicle in any event.
T}~e prior w r ~ rlc ~e s f o ~ r e p l ac i rlg t l~e~ vva s t e d t i r e generally can ~e classified into two categories, namely manual type and pneumatic type. The former has to use the man power to loosen the w~sted tire form the vehicle or to tighten the new tire to the ~ehicle.
Therefore it is unpractical ~or useJ especially ~or female driver. The latterS usually being seen in the vehicle maintenance station, utili~es a compressor as t~e power source to drive a pneumatic wrench ~or tightening or loosening the screws. However, such equipment is too cumbersome to be carried along with the vehicle thereby it still can not meet the practical requirement for the drivers.
It is, therefore, an object of the present i~vention to obviate and mitigate the above-mentioned dra~backs.
SUMMARY OF THE INVENTION:
I-t is the primary object of the present invention to provide vehicle-carrying purpose wrench which has a compact form and hence can be carried along with a vehicle for replacing the wasted tire at all even-ts.
Cont'd/3 ,; '~ `~
~ ~45~
It is another obJect of th,e present invention to provide a vehicle-carrying purpose wrench which can take the cigarette ligter socket in a vehicle as its electrical power source without tloe necessity of other power generators.
It is a further objeot of the present invention to provide a vehicle-carrying purpose wrench is economical to use, BRIEF DE~CRI PT I ON OF THE DRAWIN~S:
Fig.1 is a partial cross-s~ctional view of a pre~erred embodiment of the present invention;
Fig.2 is a fragmental perspective vi~w of a tool assembly of the present invention;
Fig.3 is a cross-sectional view takon along t~e line 3-3 of the Fig.1;
Fig.g is a partial cross-sectional view thero~
showing the present invention being in a operation status;
Fig.5 is a cross-sectional view taken along the line 5-5 of t~e Fig.4;
Fig.6 is a local perspective view illustrating the relative position between a drive member and a transmission member when an elastic menber being in a pressed situation;and Cont''d/4 Fig.~ is a local perspective view illustration the relative posi-tion between a drive member and a transmission member when the elastic member being in an unpressed situation.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT:
~e~rr~ng to t~ drawi~s a~d more particularly t~
Fig.1, a preferred embodiment of the present inven$ion mainly comprises a housing assembly ~1>, a tool assesm~ly <~> and a trigger assembly~3>. The housing assembly~1~ consists of a a motor casing~10>, a tool casing<11>, a cover<12~ and a ~andle~13>. In the interior o~ the motor casing~10~ is disposed a reversible motor~M~ which can be driven to rotate both in forward and reverse direotio~s by the electric power supplied from the cigarette lighter socket o~ a vehicle A tool casing~11> connected with the motor casingC10~
comprises in its interior a tool assemhly~2> which is used to replace the wasted tire of a vehicle. The cover <12~ is fixed to one side o~ the tool casing~ by means o~ screws. The handle<13~ is disposed below the motor casing<10~ and the tool casing~ for easily grasping the present invention. ~urther, the handle is formed at its upper portion with a space to receive the trigger assembly<3>.
Referring to Fig.2, the tool assembly<2~ mainly com-prises a ~ain body<20>, a drive memberC21~, a transmis-sion member<22>, an elastic member<23>~ a drive shaft <2~ ~ follower sha~tC25> and a follo~er me~berC26>.
Cont d/5 i4~
The main bodyC20~ has two parallel side walls~201>
and C202> and a recess ~203~ formed therebetween. The first side wall ~201~ is provided at the center with an aperture ~201a~ t~rough which the shaft of the motor can engage with the drive shaft~2~>~ Around the oentral axis of the apertu~eC201a~ a~e ~urnis~ed w~t~ t~r~e equ~lly spaced pin ~oles~20lb~ in which three pinsC20~> can be respectively located At the apper portions of the sido walls(201> and C202> are properly provided two pin holes <201c> and <202c> in alignment, the inner diameters of which are somewhat larger than the outer di~meter of a fixing pin~205>. The drive member~21> is rotatably mounted in the recess ~203> of the main bodY
~20> by passing the fixing pin ~2~5> through the aperture~210> of the drive member~21> and pin ~oles ~201c~ and C202c~ of the side walls ~201~ and ~202~.
The drive mem~er~21> further comprises two wings~
211> extending dawnward and an extensionC212>.
RePerring to Fig.3 or ~ the inner sur~aces of t~e wings<211> form an arcuate surface of which the radi~s of curvature is arranged to correspond to that of the first circumferential section~220> of the transmission member~22>. In other vords, when the transmission member~22> has been located in tlle recess~203> of the main body~20>, the first circumferential section~220>
ther~of can slightly contact the inner arcuate surface of the wi~gs~211> of -the drive member~21~. The Con~'-~6 ~4~
transmission member<22~ further is provided witll a second circumferent~al section<221> in which a notched slot<222> is formed to correspond to the extention~212>
of the drive member <as shown in Fig.6 or 7>. The trans~ission ~ember<22~ is furn-ished with a central h~leC223> ~La~ing a rectangular key~Z2~ formed t~Lereon so that after the drive shaft<2~> having~ passed through the central ~ole<223> of the transmission member<22~
with the rectangular key slot~2~0~ engaging with the rectangular rey C22~> t~e drive shaft~2~> together with the transmission me~ber~22> can rotate ~ynchronously.
One end of the drive shaft~2~> passes through the elastic member<23>, the transmission member<22~ and the side walls<201~ and <202~ of the main body~20~ to ~oin with the shaft of the ~otor~M3 so as to be capable of heing driven to rotate thereby. The other end of the drive shaft<2~ having a stop ring~2~1> to prevent the elastic member~23~ from being dropped out thereof can receive the connection end~25~> of the follower shaft<25~. A follower member <26~ w~ich is fixed to the follower shafts<25> is a ring-shaped hody having teeth on the circumferenoe thereof to correspond to the wings~211> of the drive member<21>. The other end of the follower shaft~25> is a rectangular-shaped body<251> to cooperate Wit}L a sleeve for tightening or loosening the sc-re~vs as replacing wasted tires.
As the elements described hereinbefore are received witllin the main body~20~ by inserting the cover~27 Cont d/~
~s~
sealilgly into the aperture<202a> of the side wall ~2023 therevf.
Referring tv Fig.l, ~fter those a~ove-mentioned elements have been assembled, a Y-shaped press plate C303 of the trigger assembly~3> is arranged to lean a~ain~t ~ stop~31> w~ic~ in ~rl~ ti~tly ~ontact wit~
the first side wall~201> of the main body~20> to m~ke the pins~2~> project inwardly so that the flrst circ~mferen-tial sectionC220> of the transmlssion member<22~ can slightly contact with the inner arcuate sur~ace of the drive memberC21> <Fig.6> to compress the elastic ~emberC23> as well as to prevent the wings<2113 of t~e ~rive member~21> from engaging wit~ the teeth ~2~0> of the follower ~emberC2~> as showr: in Fi~.3 Under such circumstance. even the drive member<21~ can be driven to rotate by the motor<M>, *he Pollower member~263 still will not be rotated accordingly.
However, as shown in Fig.~, when the trigger~32>
of the trigger assembly~3> is pressed along the arrow F, the upper portion<320> of the triggerC32> will push the lower end~30~> of the Y-shape~ press ~late<303 from its original position shown in Fig.l, Therefore, the compressed elastic member~23> will push the trarlsmission member{22> toward the first side wall~201>
of the main oodyC20> so that, as showh in Fig.7, the first circumferential sectionC2203 will disengage from the illrler arcuate surface of the drive memberC21> to Cont d/8 54~
make the drive member~21~ rotatable about the fixing pin~205~ to some extent.
Referring to Fig.5, when the motor<M~ drives the drive shaft~2~> together with the transmission member ~2~> and the main body~20~ to rotate synchronouslY
the drive member<21>, o~ving to the disengagement from the iirst circumferential sec-tion~220> of the transmission member{22~ as well as the effect of the centrifugal force, will rotate in such a manner that one of the two wings~211> of the drive mamberC21> oan ongage with one of the teeth<260> of the ~ollowerC2~> to drive the follower s~aft~25> to rotate accordingly. Then, a sleeve ~not shown> connectsd with the rectangular-shaped body~251~ of the ~ollower shaft C25> can be rotated therby to asse~le~disasse~ble the scrcws which are used to fix the tire to a vehicle.
Conclusively, the present inven~ion utili~es t~e vehicle cigarette lighter socket as an electric power source to make a reversible motor combined with a tool assembly in such a manner that the transmission of the rotation force produced by the motor can be controlled by a trigger assembly whlch can adjust the engagement/disengagement relationship between the wings of the drive member and the teeth of the follower member. Therefore, it indeed has not only the novelty and inventiveness but also the practicability.
Cont d/9
BAClCGROUND OF THE INVENTION:
This inventlon relates to a wrench and in particular to one which is easily carried and can take the vehicle electric power as its power source thexeby it facilita-tes the replacement of the wasted tire of a vehicle in any event.
T}~e prior w r ~ rlc ~e s f o ~ r e p l ac i rlg t l~e~ vva s t e d t i r e generally can ~e classified into two categories, namely manual type and pneumatic type. The former has to use the man power to loosen the w~sted tire form the vehicle or to tighten the new tire to the ~ehicle.
Therefore it is unpractical ~or useJ especially ~or female driver. The latterS usually being seen in the vehicle maintenance station, utili~es a compressor as t~e power source to drive a pneumatic wrench ~or tightening or loosening the screws. However, such equipment is too cumbersome to be carried along with the vehicle thereby it still can not meet the practical requirement for the drivers.
It is, therefore, an object of the present i~vention to obviate and mitigate the above-mentioned dra~backs.
SUMMARY OF THE INVENTION:
I-t is the primary object of the present invention to provide vehicle-carrying purpose wrench which has a compact form and hence can be carried along with a vehicle for replacing the wasted tire at all even-ts.
Cont'd/3 ,; '~ `~
~ ~45~
It is another obJect of th,e present invention to provide a vehicle-carrying purpose wrench which can take the cigarette ligter socket in a vehicle as its electrical power source without tloe necessity of other power generators.
It is a further objeot of the present invention to provide a vehicle-carrying purpose wrench is economical to use, BRIEF DE~CRI PT I ON OF THE DRAWIN~S:
Fig.1 is a partial cross-s~ctional view of a pre~erred embodiment of the present invention;
Fig.2 is a fragmental perspective vi~w of a tool assembly of the present invention;
Fig.3 is a cross-sectional view takon along t~e line 3-3 of the Fig.1;
Fig.g is a partial cross-sectional view thero~
showing the present invention being in a operation status;
Fig.5 is a cross-sectional view taken along the line 5-5 of t~e Fig.4;
Fig.6 is a local perspective view illustrating the relative position between a drive member and a transmission member when an elastic menber being in a pressed situation;and Cont''d/4 Fig.~ is a local perspective view illustration the relative posi-tion between a drive member and a transmission member when the elastic member being in an unpressed situation.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT:
~e~rr~ng to t~ drawi~s a~d more particularly t~
Fig.1, a preferred embodiment of the present inven$ion mainly comprises a housing assembly ~1>, a tool assesm~ly <~> and a trigger assembly~3>. The housing assembly~1~ consists of a a motor casing~10>, a tool casing<11>, a cover<12~ and a ~andle~13>. In the interior o~ the motor casing~10~ is disposed a reversible motor~M~ which can be driven to rotate both in forward and reverse direotio~s by the electric power supplied from the cigarette lighter socket o~ a vehicle A tool casing~11> connected with the motor casingC10~
comprises in its interior a tool assemhly~2> which is used to replace the wasted tire of a vehicle. The cover <12~ is fixed to one side o~ the tool casing~ by means o~ screws. The handle<13~ is disposed below the motor casing<10~ and the tool casing~ for easily grasping the present invention. ~urther, the handle is formed at its upper portion with a space to receive the trigger assembly<3>.
Referring to Fig.2, the tool assembly<2~ mainly com-prises a ~ain body<20>, a drive memberC21~, a transmis-sion member<22>, an elastic member<23>~ a drive shaft <2~ ~ follower sha~tC25> and a follo~er me~berC26>.
Cont d/5 i4~
The main bodyC20~ has two parallel side walls~201>
and C202> and a recess ~203~ formed therebetween. The first side wall ~201~ is provided at the center with an aperture ~201a~ t~rough which the shaft of the motor can engage with the drive shaft~2~>~ Around the oentral axis of the apertu~eC201a~ a~e ~urnis~ed w~t~ t~r~e equ~lly spaced pin ~oles~20lb~ in which three pinsC20~> can be respectively located At the apper portions of the sido walls(201> and C202> are properly provided two pin holes <201c> and <202c> in alignment, the inner diameters of which are somewhat larger than the outer di~meter of a fixing pin~205>. The drive member~21> is rotatably mounted in the recess ~203> of the main bodY
~20> by passing the fixing pin ~2~5> through the aperture~210> of the drive member~21> and pin ~oles ~201c~ and C202c~ of the side walls ~201~ and ~202~.
The drive mem~er~21> further comprises two wings~
211> extending dawnward and an extensionC212>.
RePerring to Fig.3 or ~ the inner sur~aces of t~e wings<211> form an arcuate surface of which the radi~s of curvature is arranged to correspond to that of the first circumferential section~220> of the transmission member~22>. In other vords, when the transmission member~22> has been located in tlle recess~203> of the main body~20>, the first circumferential section~220>
ther~of can slightly contact the inner arcuate surface of the wi~gs~211> of -the drive member~21~. The Con~'-~6 ~4~
transmission member<22~ further is provided witll a second circumferent~al section<221> in which a notched slot<222> is formed to correspond to the extention~212>
of the drive member <as shown in Fig.6 or 7>. The trans~ission ~ember<22~ is furn-ished with a central h~leC223> ~La~ing a rectangular key~Z2~ formed t~Lereon so that after the drive shaft<2~> having~ passed through the central ~ole<223> of the transmission member<22~
with the rectangular key slot~2~0~ engaging with the rectangular rey C22~> t~e drive shaft~2~> together with the transmission me~ber~22> can rotate ~ynchronously.
One end of the drive shaft~2~> passes through the elastic member<23>, the transmission member<22~ and the side walls<201~ and <202~ of the main body~20~ to ~oin with the shaft of the ~otor~M3 so as to be capable of heing driven to rotate thereby. The other end of the drive shaft<2~ having a stop ring~2~1> to prevent the elastic member~23~ from being dropped out thereof can receive the connection end~25~> of the follower shaft<25~. A follower member <26~ w~ich is fixed to the follower shafts<25> is a ring-shaped hody having teeth on the circumferenoe thereof to correspond to the wings~211> of the drive member<21>. The other end of the follower shaft~25> is a rectangular-shaped body<251> to cooperate Wit}L a sleeve for tightening or loosening the sc-re~vs as replacing wasted tires.
As the elements described hereinbefore are received witllin the main body~20~ by inserting the cover~27 Cont d/~
~s~
sealilgly into the aperture<202a> of the side wall ~2023 therevf.
Referring tv Fig.l, ~fter those a~ove-mentioned elements have been assembled, a Y-shaped press plate C303 of the trigger assembly~3> is arranged to lean a~ain~t ~ stop~31> w~ic~ in ~rl~ ti~tly ~ontact wit~
the first side wall~201> of the main body~20> to m~ke the pins~2~> project inwardly so that the flrst circ~mferen-tial sectionC220> of the transmlssion member<22~ can slightly contact with the inner arcuate sur~ace of the drive memberC21> <Fig.6> to compress the elastic ~emberC23> as well as to prevent the wings<2113 of t~e ~rive member~21> from engaging wit~ the teeth ~2~0> of the follower ~emberC2~> as showr: in Fi~.3 Under such circumstance. even the drive member<21~ can be driven to rotate by the motor<M>, *he Pollower member~263 still will not be rotated accordingly.
However, as shown in Fig.~, when the trigger~32>
of the trigger assembly~3> is pressed along the arrow F, the upper portion<320> of the triggerC32> will push the lower end~30~> of the Y-shape~ press ~late<303 from its original position shown in Fig.l, Therefore, the compressed elastic member~23> will push the trarlsmission member{22> toward the first side wall~201>
of the main oodyC20> so that, as showh in Fig.7, the first circumferential sectionC2203 will disengage from the illrler arcuate surface of the drive memberC21> to Cont d/8 54~
make the drive member~21~ rotatable about the fixing pin~205~ to some extent.
Referring to Fig.5, when the motor<M~ drives the drive shaft~2~> together with the transmission member ~2~> and the main body~20~ to rotate synchronouslY
the drive member<21>, o~ving to the disengagement from the iirst circumferential sec-tion~220> of the transmission member{22~ as well as the effect of the centrifugal force, will rotate in such a manner that one of the two wings~211> of the drive mamberC21> oan ongage with one of the teeth<260> of the ~ollowerC2~> to drive the follower s~aft~25> to rotate accordingly. Then, a sleeve ~not shown> connectsd with the rectangular-shaped body~251~ of the ~ollower shaft C25> can be rotated therby to asse~le~disasse~ble the scrcws which are used to fix the tire to a vehicle.
Conclusively, the present inven~ion utili~es t~e vehicle cigarette lighter socket as an electric power source to make a reversible motor combined with a tool assembly in such a manner that the transmission of the rotation force produced by the motor can be controlled by a trigger assembly whlch can adjust the engagement/disengagement relationship between the wings of the drive member and the teeth of the follower member. Therefore, it indeed has not only the novelty and inventiveness but also the practicability.
Cont d/9
Claims
WHAT I NOW CLAIM IS:
A wrench comprising:
a housing assembly further comprising:
a motor casing;
a tool casing being integrally formed with the motor casing and being located at one side of the motor casing;
a cover being disposed and fixed to one side of the motor casing;
a handle being disposed below the motor casing and the tool casing and being secured thereto, the upper portion of the handle being formed with a trigger assembly;
a reversible motor being mounted in the motor casing, said motor being capable of taking the vehicle electrical power as its power source; characterized by the tool casing comprising a tool assembly;
the tool assembly further comprising:
a main body having a first side wall, a second side wall and a recess formed therebetween, the first side wall being provided at the center with an aperture, around the central axis of the aperture being furnished with a plurality of holes in which a plurality of pins are respectively located, the length of each pin being longer than the thickness of the first side wall, the first side wall having at its upper portion a pin hole, the second side Cont'd/10 wall having at its upper portion a pin hole which aligns with the pin hole of the first side wall, the second side wall further having a central hole;
a drive member being provided at its center with a hole, the dirve member being located in the recess of the main body by passing a fixing pin through the hole of the drive member and the pin holes of the first and second side walls of the main body, the drive member further having two wings extending downward and an extension;
a transmission member being a hollow ring body, said transmission member having a first and a second circumferential sections, the radius of curvature of the first circumferential section being arranged to correspond to that of the inner arcuate surface of the wings of the drive member, the circumferential section being formed with a notched slot to engage with the extension of the drive member, the transmission body being furnished at its center with a rectangular key;
a drive shaft being a hollow cylinder, one end of the drive shaft being connected with the shaft of the motor and the and the other end thereof being connected with the connection end of a follower shaft, said other end of the drive shaft further being provided with a stop ring and rectangular key slot which corresponds to the rectangular key of the transmission member;
Cont''d/11 an elastic member being disposed in the drive shaft and located behind the transmission member, said elastic member being arranged to lean against the ring stop of the drive shaft to avoid being dropped out of the drive shaft, a follower shaft passing at one end through the drive shaft and the other end thereof being forced with a rectangular body to correspond to a sleeve which is used to tighten and loosen the screws for fixing a tire to a vehicle;
a follow member being fixed to the follower shaft, the circumference of the follow member being provided with teeth to correspond to the wings of the drive member;
a cover being received within the central hole of the second side wall of the main body;
a trigger assembly comprising:
a trigger being pivotally conneccted to the lower portion of the space of the handle;
a stop being disposed at the outer wall of the first side wall of the main body;and a Y-shaped press plate the lower portion of which being arranged to contact with the upper portion of the trigger while the upper portion thereof contacts with the stop, when pressing the trigger in a predetermind manner, the upper portion of the trigger being capable of pushing the lower portion of the Y-shaped press plate to make the Y-shaped press plate displced from its orginal position.
Cont''d/12
A wrench comprising:
a housing assembly further comprising:
a motor casing;
a tool casing being integrally formed with the motor casing and being located at one side of the motor casing;
a cover being disposed and fixed to one side of the motor casing;
a handle being disposed below the motor casing and the tool casing and being secured thereto, the upper portion of the handle being formed with a trigger assembly;
a reversible motor being mounted in the motor casing, said motor being capable of taking the vehicle electrical power as its power source; characterized by the tool casing comprising a tool assembly;
the tool assembly further comprising:
a main body having a first side wall, a second side wall and a recess formed therebetween, the first side wall being provided at the center with an aperture, around the central axis of the aperture being furnished with a plurality of holes in which a plurality of pins are respectively located, the length of each pin being longer than the thickness of the first side wall, the first side wall having at its upper portion a pin hole, the second side Cont'd/10 wall having at its upper portion a pin hole which aligns with the pin hole of the first side wall, the second side wall further having a central hole;
a drive member being provided at its center with a hole, the dirve member being located in the recess of the main body by passing a fixing pin through the hole of the drive member and the pin holes of the first and second side walls of the main body, the drive member further having two wings extending downward and an extension;
a transmission member being a hollow ring body, said transmission member having a first and a second circumferential sections, the radius of curvature of the first circumferential section being arranged to correspond to that of the inner arcuate surface of the wings of the drive member, the circumferential section being formed with a notched slot to engage with the extension of the drive member, the transmission body being furnished at its center with a rectangular key;
a drive shaft being a hollow cylinder, one end of the drive shaft being connected with the shaft of the motor and the and the other end thereof being connected with the connection end of a follower shaft, said other end of the drive shaft further being provided with a stop ring and rectangular key slot which corresponds to the rectangular key of the transmission member;
Cont''d/11 an elastic member being disposed in the drive shaft and located behind the transmission member, said elastic member being arranged to lean against the ring stop of the drive shaft to avoid being dropped out of the drive shaft, a follower shaft passing at one end through the drive shaft and the other end thereof being forced with a rectangular body to correspond to a sleeve which is used to tighten and loosen the screws for fixing a tire to a vehicle;
a follow member being fixed to the follower shaft, the circumference of the follow member being provided with teeth to correspond to the wings of the drive member;
a cover being received within the central hole of the second side wall of the main body;
a trigger assembly comprising:
a trigger being pivotally conneccted to the lower portion of the space of the handle;
a stop being disposed at the outer wall of the first side wall of the main body;and a Y-shaped press plate the lower portion of which being arranged to contact with the upper portion of the trigger while the upper portion thereof contacts with the stop, when pressing the trigger in a predetermind manner, the upper portion of the trigger being capable of pushing the lower portion of the Y-shaped press plate to make the Y-shaped press plate displced from its orginal position.
Cont''d/12
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/900,176 US4727780A (en) | 1986-08-25 | 1986-08-25 | Vehicle-carrying purpose wrench |
| CA000552764A CA1245482A (en) | 1986-08-25 | 1987-11-25 | Vehicle-carrying purpose wrench |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/900,176 US4727780A (en) | 1986-08-25 | 1986-08-25 | Vehicle-carrying purpose wrench |
| CA000552764A CA1245482A (en) | 1986-08-25 | 1987-11-25 | Vehicle-carrying purpose wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1245482A true CA1245482A (en) | 1988-11-29 |
Family
ID=25671607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000552764A Expired CA1245482A (en) | 1986-08-25 | 1987-11-25 | Vehicle-carrying purpose wrench |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1245482A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5771516A (en) * | 1996-08-26 | 1998-06-30 | Huang; Chen Shu-Hsia | Exchangeable power hand tool |
-
1987
- 1987-11-25 CA CA000552764A patent/CA1245482A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5771516A (en) * | 1996-08-26 | 1998-06-30 | Huang; Chen Shu-Hsia | Exchangeable power hand tool |
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