CA1205411A - Track member and track for conveyor trolleys - Google Patents
Track member and track for conveyor trolleysInfo
- Publication number
- CA1205411A CA1205411A CA000419797A CA419797A CA1205411A CA 1205411 A CA1205411 A CA 1205411A CA 000419797 A CA000419797 A CA 000419797A CA 419797 A CA419797 A CA 419797A CA 1205411 A CA1205411 A CA 1205411A
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- CA
- Canada
- Prior art keywords
- track
- trackways
- trackway
- transversely
- vertical
- 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.)
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Abstract
TRACK MEMBER AND TRACK FOR
CONVEYOR TROLLEYS
ABSTRACT
A track member for supporting the wheels of con-veyor trolleys connected to a chain comprises first and second trackways arranged in vertically spaced, opposite-ly facing relation, each trackway having a pair of track surfaces spaced apart by a vertical web. The web of one trackway is longer than the other so that the first track-way is adapted to support trolley wheels of one diameter and the second trackway trolley wheels of another dia-meter. Various track constructions for overhead and floor type conveyors are obtainable by mounting pairs of the track members in transversely spaced parallel rela-tion with either the first or second trackway of one mem-ber aligned with and facing the corresponding trackway of the other. In each of these track constructions the ver-tical webs of the non-facing trackways form parallel sur-faces of a channel which laterally encloses and contains the chain.
CONVEYOR TROLLEYS
ABSTRACT
A track member for supporting the wheels of con-veyor trolleys connected to a chain comprises first and second trackways arranged in vertically spaced, opposite-ly facing relation, each trackway having a pair of track surfaces spaced apart by a vertical web. The web of one trackway is longer than the other so that the first track-way is adapted to support trolley wheels of one diameter and the second trackway trolley wheels of another dia-meter. Various track constructions for overhead and floor type conveyors are obtainable by mounting pairs of the track members in transversely spaced parallel rela-tion with either the first or second trackway of one mem-ber aligned with and facing the corresponding trackway of the other. In each of these track constructions the ver-tical webs of the non-facing trackways form parallel sur-faces of a channel which laterally encloses and contains the chain.
Description
This invention relates to an improved track member adapted to support the wheels of conveyor trol-leys; and to an improved track consisting of a pair of the track members mounted in transversely spaced rela-tion and adapted to support the wheels of con~eyor trol-leys connected to a longitudinally ex~ending conveyor chain.
The invention provides a standardized versatile track member with a configuration which is usable in sev-eral ways to support conveyor trolleys having wheels ofone diameter or conveyor trolleys having wheels of another diameter. Various track constructions are obtainable by employing a paîr of the track rnembers mounted in trans-versely spaced relation. These track constructions are usable with trolleys having wheels of one diameter or with trolleys having wheels of a different diame~er and in conveyor systems having a conveyor chain connected to the trolleys either above or below their wheels. A paîr of the track rnembers is supportable either from above, as in an overhead type of conveyor systern, or ~rom below, as in a floor type of conveyor system.
A track member of the invention, adapted to ver-tically support the wheels of conveyor trolleys, comprises a first longitudinally extending trackway having a first vertical web and a first pair o longitudinal track sur-faces extending transversely from the first ~ertical w~b in opposed vertically spaced relation; a second longitud-inally extending trackway joined to the firs~ trackway in . ''~
3~
vertically spaced oppositely facing relation, the second trac~ay including a second ~ertical web offset vertical-ly and transversely wit'n respect to the first vertical web, and a second pair of track surfaces extending trans-versely from the second vertical web in opposed vertical-ly spaced relation; the lengths of the first and second webs being such that the track surfaces of the first trackway are adapted to be engaged by a trolley wheel of one diameter and the track surfaces of the second track-way are adapted to be engaged by a trolley wheel of an-other diameter.
Preferably, the track member is of integrally formed unitary construction and includes a transversely extending rib which connects the first and second verti-cal webs and which forms one of the track surfaces of the first and the second pairs of track surfaces; the verti-cal extremities of a track member are defined by first and second flanges which respectively extend transversely oppositely from the first and second vertical webs and which respectively form the other track surface of the first and second pairs of track surfaces; and, the first flange, the second flange and the transversely extending rib are contoured to provide work-hardened track surfaces.
The track of the invention is adapted ~o verti-cally support the wheels of conveyor trolleys connected to a longitudinally extending conveyor chain and comprises a pair of the track members described above together with mounting means which supports the pair of track members in longitudinally parallel relation with one of the track-3~ ways of one track member facing the corresponding track-way of the other track member in transversely spaced and aligned relation~ and with the vertical webs of the other trackways of the track members in transversely spaced facing relation, the transversely spaced facing ~ebs form-ing a channel w'nich is adapted to laterally enclose and contain the con~eyor chain.
Z~54~L1 A pair of the track members is supportable with either their first or second trackways in facing trans-verse alignment and the mounting means, which preferably comprises a plurality of longitudinally spaced yokes, can be a~ranged either a~ove or below the pair of track mem-bers.
Ot~er features and advantages will appear from the description to follow of the presently preferred em-bodiments of the invention shown in the accompanying draw-ings, in which:
Fig. 1 is a transverse elevation of a track ~em~ber of the invention and illustrates the vertical support of the wheels of conveyor trolleys by the track member in one orientation thereof;
Fig. 2 is a transverse elevation similar to Fig. 1 illustrating the vertical support of conveyor trol-ley wheels in an alternative orientation of the track mem-ber;
Fig. 3 is a side elevatîon of a representative track construction of the invention; and Figo 4 is a transverse elevation of the track construction of Fig, 3, and showing the relationship be-tween the track and a conveyor trolley connected ~o a con-veyor chain.
Figs. 1 and 2 illustrate the transverse config-uration of a track member 10 of the invention and the var-ious orientations in which this track member can be used to vertically support ~heels 12 or 14 of conveyor trolleys, which orientations will be further explained after de-scribing the track member 10 and the representati~e trackconstruction of Figs~ 3 and 4~
The track member 10 comprises a first longitud-inally extending trackway 16 having a first vertical web 13 and a first pair of track surfaces 19 and 20 which extend transversely from the web 18 în opposed! vertically spaced relation. A second longitudinally extending trackway 22 ~ .~
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~.
is joined to the first trackway 16 in vertically spaced, oppositely facing reIation, and includes a second ~erti-cal web 24 offset vertically and transversely with re spect to the first web 18. A second pair of track sur-faces 25 and 26 extend transversely from the second ~eb 24 in opposed vertically spaced relation. The length of the first vertical web 1~ is such that the track surfaces 19 and 20 of the first trackway 16 are adapted to be engaged by the trolley wheel 12 of one diameter, while the length of the second vertical web 24 is such that the track sur-faces 25 and 26 of the second trackway 22 are engageable by the trolley wheel 14 of another, larger diameter.
A transversely extending rib 28, located medial-ly between the vertical extremities 2~ and 30 of the track member 10, connects the flrst vertical web 18 with the second vertical web 24 and forms one track surface 20 of the first pair of track surfaces and one track surface 25 of the second pair. The other track surface 19 of the first pair and the other track surface 26 of the second pair is formed respectively by a first flange 32 and by a second flange 34. These first and second flanges 32 and 34 extend transversely and oppositely from the respective first and second vertical webs 18 and 24 and define the vertical extremities 29 and 30 of the track member.
The track member 10 having the foregoing con-figuration is preferably of integrally forrned unitary construction, as shown, and is adapted to be economically fabricated by roll forming, or other technique, which en-ables the first flange 32, the second flange 34 and the transversely extending medial rib 28 to be contoured to provide work-hardened track surfaces which substantially conform to the peripheral contours of the trolley wheels they are adapted to engage.
Each of the first and second flanges 32 and 34 includes a terrninal portion 36 which is disposed in sub-stantially perpendicular relation to the respective first 5~iL3L
and second vertical web 18 and 24. The track surface 19 of the first flange 32 and th~ track surface 26 of the second flange 3~ are each located between the terminal port;on 36 and the respective one of the webs 1~ and 24.
Each of these track surfaces 19 and 2~ is formed in obtuse angular relation to the terminal portion and the respective web to enhance the work-hardening of these track surfaces.
Figs. 3 and 4 illustrate one of the various track constructio~s obtainable by employing a pair o~ the track members 10 for vertically supporting the wheels of conveyor trolleys connected to a longitudinally extending conveyor chain. This particular track construction employs a pair of the track members lOA and lOB and mounting means 38, in the form of a plurality of longitudinall-y spaced yokes 40, for supporting the track members lOA and lOB in a long-itudinally parallel relation in which:
(a) the first trackway 16 of the track me~ber lOA faces the corresponding first trackway 16 of the other track member lOB in transversely spaced and aligned relation; and (b) the vertical webs 24 of the second trackways 22 of the track members lOA and lOB are positioned in trans-versely spaced facin~ relation and form a channel which laterally encloses and contains a conveyor chain 42 con-nected to conveyor trolleys 44.
As shown in Fig. 4, each yoke 40 is connected to the corresponding first flanges 32 and to a portion of the corresponding first vertical webs 18 of the track members lOA and lOB; and, the track members lOA and lOB are sup-ported ~ith their transversely spaced facing second webs 24 disposed vertically above the trànsversely aligned first trackways 16. This track cons~ruction is particularly suited for the trolleys and chain of a floor type of con-veyor system and the yokes 40 are each provided with a horizontal lower flange 46 which can be attached to a floor or other structure.
It can be seen that in the track of Figs. 3 and ~OS4~L
4, the left hand track ~e~ber lOA corresponds to the track member 10 of Fig. 2 and the trolley 44 is provided with the smaller diameter wheels 12. A similar track for trol-leys having the larger diameter wheels 14 consists of a left hand track mem~er corresponding in orien~ation to the track member 10 of Fig. l, and a rignt hand track mem-ber reversed end-for~end and mounted sy~metrically to the vertical track cen~erline 47. Fig~ 1 also illustra~es the orientation of the right hand track member of a second type of track for trolleys 44 having the wheels 12 of smaller diameter. The left hand track member of this se~
cond track is an end-for-end reversal of the track member 10 of Fig. 1 and the mounting means of the second track supports the track members thereo~ with their transversely spaced second vertical webs 24 disposed vertically below their transversely aligned first trackways 16 and in sym-metrical relation to the vertical track centerline 48.
Such a second track is suitable for overhead types of con-veyor systems in which the supporting yokes are mounted above the track members, as illustrated by inverting Fig.
4. A similar second type of track for trolleys having the larger diameter wheels 14 is illustrated by Fig. 2 wherein the track member 10 forms the right hand track member.
In each of the various track constructions for overhead and floor type conveyor sys~ems obtainable by employing the standardized track members 10, the convey-or chain 42 is enclosed within a channel defined either by a pair of vertical webs 18 or by a pair of vertical webs 24 (as in Fig. 4~ of the track members. '~his chain channel protects the conveyor chain from contamination and damage and also contains the chain laterally so that relative movement between the chain components is sub-stantially limited to the longitudinal direction. In some conveyor systems the chain channel provided by the invention can eliminate the need for a chain tensioning J ~
5~1~
device ~r take-up. Any slack in the chain due to t~e a'osence of a take-up will be contained by the chain channeI to relative longitudinal movement between the chain components.
Preferably, the track member 1~ is fabricated from sheet metal by roll-forming operations which enable the pairs of ~rack surfaces J 19, 20 and 25, 26 to be ac-curately shaped and work hardened. The resulting track member has strength and surface ~inIsh characteristics superior to those of a comparable size beam of I or chan-nel section such as commonly used for conveyor trolley tracks. These superior characteristics can also be ob-tained in a modified track ~ember I0, roll formed with one of the first and second trackways 16 and 22 and with at least a por~ion of the vertical web 24 or 18 of the other of the trackways.
For e~ample, this modified track member for the wheels 12 is formed with the longitudinally extending trackway 16 including the first vertical web 18 and the pair of track surfaces 13 and 20 which extend transverse-ly from the vertical web 18 in opposed vertically spaced relation. Each of the track surfaces 19 and 20 is roll formed in obtuse angular relation to the first vertical web 18 to provide a smooth, work-hardened track surface adapted to be engaged by the trolley wheel 12 and to sub-stantially conform to the contour thereof. A portion of the second vertical web 24 extends from the track surface 20, as a continuation of the rib 28, in vertically and transversely offset relation with the first vertical web 1~ for any distance desired, thereby adding rigidity to the track surface 2a and forming a guide surface engage-able by guide rollers of trolleys or by a conveyor chain as previously described.
:,:
The invention provides a standardized versatile track member with a configuration which is usable in sev-eral ways to support conveyor trolleys having wheels ofone diameter or conveyor trolleys having wheels of another diameter. Various track constructions are obtainable by employing a paîr of the track rnembers mounted in trans-versely spaced relation. These track constructions are usable with trolleys having wheels of one diameter or with trolleys having wheels of a different diame~er and in conveyor systems having a conveyor chain connected to the trolleys either above or below their wheels. A paîr of the track rnembers is supportable either from above, as in an overhead type of conveyor systern, or ~rom below, as in a floor type of conveyor system.
A track member of the invention, adapted to ver-tically support the wheels of conveyor trolleys, comprises a first longitudinally extending trackway having a first vertical web and a first pair o longitudinal track sur-faces extending transversely from the first ~ertical w~b in opposed vertically spaced relation; a second longitud-inally extending trackway joined to the firs~ trackway in . ''~
3~
vertically spaced oppositely facing relation, the second trac~ay including a second ~ertical web offset vertical-ly and transversely wit'n respect to the first vertical web, and a second pair of track surfaces extending trans-versely from the second vertical web in opposed vertical-ly spaced relation; the lengths of the first and second webs being such that the track surfaces of the first trackway are adapted to be engaged by a trolley wheel of one diameter and the track surfaces of the second track-way are adapted to be engaged by a trolley wheel of an-other diameter.
Preferably, the track member is of integrally formed unitary construction and includes a transversely extending rib which connects the first and second verti-cal webs and which forms one of the track surfaces of the first and the second pairs of track surfaces; the verti-cal extremities of a track member are defined by first and second flanges which respectively extend transversely oppositely from the first and second vertical webs and which respectively form the other track surface of the first and second pairs of track surfaces; and, the first flange, the second flange and the transversely extending rib are contoured to provide work-hardened track surfaces.
The track of the invention is adapted ~o verti-cally support the wheels of conveyor trolleys connected to a longitudinally extending conveyor chain and comprises a pair of the track members described above together with mounting means which supports the pair of track members in longitudinally parallel relation with one of the track-3~ ways of one track member facing the corresponding track-way of the other track member in transversely spaced and aligned relation~ and with the vertical webs of the other trackways of the track members in transversely spaced facing relation, the transversely spaced facing ~ebs form-ing a channel w'nich is adapted to laterally enclose and contain the con~eyor chain.
Z~54~L1 A pair of the track members is supportable with either their first or second trackways in facing trans-verse alignment and the mounting means, which preferably comprises a plurality of longitudinally spaced yokes, can be a~ranged either a~ove or below the pair of track mem-bers.
Ot~er features and advantages will appear from the description to follow of the presently preferred em-bodiments of the invention shown in the accompanying draw-ings, in which:
Fig. 1 is a transverse elevation of a track ~em~ber of the invention and illustrates the vertical support of the wheels of conveyor trolleys by the track member in one orientation thereof;
Fig. 2 is a transverse elevation similar to Fig. 1 illustrating the vertical support of conveyor trol-ley wheels in an alternative orientation of the track mem-ber;
Fig. 3 is a side elevatîon of a representative track construction of the invention; and Figo 4 is a transverse elevation of the track construction of Fig, 3, and showing the relationship be-tween the track and a conveyor trolley connected ~o a con-veyor chain.
Figs. 1 and 2 illustrate the transverse config-uration of a track member 10 of the invention and the var-ious orientations in which this track member can be used to vertically support ~heels 12 or 14 of conveyor trolleys, which orientations will be further explained after de-scribing the track member 10 and the representati~e trackconstruction of Figs~ 3 and 4~
The track member 10 comprises a first longitud-inally extending trackway 16 having a first vertical web 13 and a first pair of track surfaces 19 and 20 which extend transversely from the web 18 în opposed! vertically spaced relation. A second longitudinally extending trackway 22 ~ .~
lZO~;4~
~.
is joined to the first trackway 16 in vertically spaced, oppositely facing reIation, and includes a second ~erti-cal web 24 offset vertically and transversely with re spect to the first web 18. A second pair of track sur-faces 25 and 26 extend transversely from the second ~eb 24 in opposed vertically spaced relation. The length of the first vertical web 1~ is such that the track surfaces 19 and 20 of the first trackway 16 are adapted to be engaged by the trolley wheel 12 of one diameter, while the length of the second vertical web 24 is such that the track sur-faces 25 and 26 of the second trackway 22 are engageable by the trolley wheel 14 of another, larger diameter.
A transversely extending rib 28, located medial-ly between the vertical extremities 2~ and 30 of the track member 10, connects the flrst vertical web 18 with the second vertical web 24 and forms one track surface 20 of the first pair of track surfaces and one track surface 25 of the second pair. The other track surface 19 of the first pair and the other track surface 26 of the second pair is formed respectively by a first flange 32 and by a second flange 34. These first and second flanges 32 and 34 extend transversely and oppositely from the respective first and second vertical webs 18 and 24 and define the vertical extremities 29 and 30 of the track member.
The track member 10 having the foregoing con-figuration is preferably of integrally forrned unitary construction, as shown, and is adapted to be economically fabricated by roll forming, or other technique, which en-ables the first flange 32, the second flange 34 and the transversely extending medial rib 28 to be contoured to provide work-hardened track surfaces which substantially conform to the peripheral contours of the trolley wheels they are adapted to engage.
Each of the first and second flanges 32 and 34 includes a terrninal portion 36 which is disposed in sub-stantially perpendicular relation to the respective first 5~iL3L
and second vertical web 18 and 24. The track surface 19 of the first flange 32 and th~ track surface 26 of the second flange 3~ are each located between the terminal port;on 36 and the respective one of the webs 1~ and 24.
Each of these track surfaces 19 and 2~ is formed in obtuse angular relation to the terminal portion and the respective web to enhance the work-hardening of these track surfaces.
Figs. 3 and 4 illustrate one of the various track constructio~s obtainable by employing a pair o~ the track members 10 for vertically supporting the wheels of conveyor trolleys connected to a longitudinally extending conveyor chain. This particular track construction employs a pair of the track members lOA and lOB and mounting means 38, in the form of a plurality of longitudinall-y spaced yokes 40, for supporting the track members lOA and lOB in a long-itudinally parallel relation in which:
(a) the first trackway 16 of the track me~ber lOA faces the corresponding first trackway 16 of the other track member lOB in transversely spaced and aligned relation; and (b) the vertical webs 24 of the second trackways 22 of the track members lOA and lOB are positioned in trans-versely spaced facin~ relation and form a channel which laterally encloses and contains a conveyor chain 42 con-nected to conveyor trolleys 44.
As shown in Fig. 4, each yoke 40 is connected to the corresponding first flanges 32 and to a portion of the corresponding first vertical webs 18 of the track members lOA and lOB; and, the track members lOA and lOB are sup-ported ~ith their transversely spaced facing second webs 24 disposed vertically above the trànsversely aligned first trackways 16. This track cons~ruction is particularly suited for the trolleys and chain of a floor type of con-veyor system and the yokes 40 are each provided with a horizontal lower flange 46 which can be attached to a floor or other structure.
It can be seen that in the track of Figs. 3 and ~OS4~L
4, the left hand track ~e~ber lOA corresponds to the track member 10 of Fig. 2 and the trolley 44 is provided with the smaller diameter wheels 12. A similar track for trol-leys having the larger diameter wheels 14 consists of a left hand track mem~er corresponding in orien~ation to the track member 10 of Fig. l, and a rignt hand track mem-ber reversed end-for~end and mounted sy~metrically to the vertical track cen~erline 47. Fig~ 1 also illustra~es the orientation of the right hand track member of a second type of track for trolleys 44 having the wheels 12 of smaller diameter. The left hand track member of this se~
cond track is an end-for-end reversal of the track member 10 of Fig. 1 and the mounting means of the second track supports the track members thereo~ with their transversely spaced second vertical webs 24 disposed vertically below their transversely aligned first trackways 16 and in sym-metrical relation to the vertical track centerline 48.
Such a second track is suitable for overhead types of con-veyor systems in which the supporting yokes are mounted above the track members, as illustrated by inverting Fig.
4. A similar second type of track for trolleys having the larger diameter wheels 14 is illustrated by Fig. 2 wherein the track member 10 forms the right hand track member.
In each of the various track constructions for overhead and floor type conveyor sys~ems obtainable by employing the standardized track members 10, the convey-or chain 42 is enclosed within a channel defined either by a pair of vertical webs 18 or by a pair of vertical webs 24 (as in Fig. 4~ of the track members. '~his chain channel protects the conveyor chain from contamination and damage and also contains the chain laterally so that relative movement between the chain components is sub-stantially limited to the longitudinal direction. In some conveyor systems the chain channel provided by the invention can eliminate the need for a chain tensioning J ~
5~1~
device ~r take-up. Any slack in the chain due to t~e a'osence of a take-up will be contained by the chain channeI to relative longitudinal movement between the chain components.
Preferably, the track member 1~ is fabricated from sheet metal by roll-forming operations which enable the pairs of ~rack surfaces J 19, 20 and 25, 26 to be ac-curately shaped and work hardened. The resulting track member has strength and surface ~inIsh characteristics superior to those of a comparable size beam of I or chan-nel section such as commonly used for conveyor trolley tracks. These superior characteristics can also be ob-tained in a modified track ~ember I0, roll formed with one of the first and second trackways 16 and 22 and with at least a por~ion of the vertical web 24 or 18 of the other of the trackways.
For e~ample, this modified track member for the wheels 12 is formed with the longitudinally extending trackway 16 including the first vertical web 18 and the pair of track surfaces 13 and 20 which extend transverse-ly from the vertical web 18 in opposed vertically spaced relation. Each of the track surfaces 19 and 20 is roll formed in obtuse angular relation to the first vertical web 18 to provide a smooth, work-hardened track surface adapted to be engaged by the trolley wheel 12 and to sub-stantially conform to the contour thereof. A portion of the second vertical web 24 extends from the track surface 20, as a continuation of the rib 28, in vertically and transversely offset relation with the first vertical web 1~ for any distance desired, thereby adding rigidity to the track surface 2a and forming a guide surface engage-able by guide rollers of trolleys or by a conveyor chain as previously described.
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Claims (13)
PROPERTY OR PRIVILEGE IS CLAIMED IS DEFINED AS FOLLOWS:
1. A reversible and invertable track member, adapted to form one-half of a track for vertically sup-porting the wheels of conveyor trolleys-and comprising:
a first longitudinally extending trackway having a first vertical web and a first pair of longitudinal track surfaces extending transversely from the first vertical web in opposed vertically spaced relation; a second longitudinally extending trackway joined directly to the first trackway in vertically superimposed oppositely facing relation, the second trackway including a second vertical web offset vertically and transversely with respect to the first vertical web, and a second pair of.
track surfaces extending transversely from the second vertical web in opposed vertically spaced relation;
the lengths of the first and second webs being such that the track surfaces of said first trackway are adapted to vertically support first conveyor trolleys having wheels of one diameter and the track surfaces of said second trackway are adapted to vertically support second conveyor trolleys having wheels of another diameter.
a first longitudinally extending trackway having a first vertical web and a first pair of longitudinal track surfaces extending transversely from the first vertical web in opposed vertically spaced relation; a second longitudinally extending trackway joined directly to the first trackway in vertically superimposed oppositely facing relation, the second trackway including a second vertical web offset vertically and transversely with respect to the first vertical web, and a second pair of.
track surfaces extending transversely from the second vertical web in opposed vertically spaced relation;
the lengths of the first and second webs being such that the track surfaces of said first trackway are adapted to vertically support first conveyor trolleys having wheels of one diameter and the track surfaces of said second trackway are adapted to vertically support second conveyor trolleys having wheels of another diameter.
2. A track member according claim 1 wherein one of the track surfaces of the first and second pairs of track surfaces is formed by a transversely extending rib connecting the first and second vertical webs.
3. A track member according to claim 2 wherein the other track surface of the first and second pairs of track surfaces is formed, respectively, by a first flange and a second flange, the first and second flanges extend-ing transversely oppositely from the respective first and second vertical webs and defining the vertical extremi-ties of the track member.
4. A track member according to claim 3 of intergrally formed unitary construction.
5. A track member according to claim 3 or 4 wherein each of the first and second flanges includes a terminal portion disposed in substantially perpendicular relation to the respective vertical web, the track sur-face of the flange being located between the terminal portion and the respective vertical web and being formed in obtuse angular relation therewith to provide a work-hardened track surface adapted to be engaged by a trol-ley wheel and substantially conforming to the peripheral contour thereof.
6. A track member according to claim 3 or 4 wherein the first flange, the second flange and the transversely extending rib are contoured to provide work-hardened track surfaces.
7. In a track including a pair of transversely spaced track members adapted to vertically support the wheels of conveyor trolleys connected to a longitudinally extending conveyor chain, the improvement wherein; each of the track members includes a first longitudinally extending trackway having a first vertical web and a first pair of longitudinal track surfaces extending transversely from the first vertical web in opposed vertically spaced relation; a second longitudinally extending trackway is joined directly to the first trackway in vertically super-imposed oppositely facing relation, the second trackway including a second vertical web offset vertically and transversely with respect to the first vertical web, and a second pair of track surfaces extending transversely from the second vertical web in opposed vertically spaced relation; the lengths of the first and second webs being such that the track surfaces of said first trackway are usable with first conveyor trolleys having wheels of one diameter and he second track surfaces of said second track-way are usable with second conveyor trolleys having wheels of another diameter; and mounting means for supporting said pair of track members in longitudinally parallel relation with one of said first and second trackways of one track member facing the corresponding one of said first and second trackways of the other track member in transversely spaced and aligned relation, and with the vertical webs of the other of said first and second trackways of the track members in transversely spaced facing relation, whereby said track for one of said first and second conveyor trolleys is formed by said facing trackways and said transversely spaced facing webs form a channel adapted to laterally enclose and contain said conveyor chain.
8. A track according to claim 7 wherein the mounting means supports the pair of track members with the transversely spaced facing webs disposed vertically above the transversely aligned trackways.
9. A track according to claim 7 wherein the mounting means supports the pair of track members with the transversely spaced facing webs disposed vertically below the transversely aligned trackways.
10. A track according to claim 7, 8 or 9 wherein the vertical extremities of each of the track members are defined by first and second flanges which respectively extend transversely oppositely from the first and second vertical webs, and wherein the mounting means comprises a plurality of longitudinally spaced yokes each connected to corresponding flanges of the pair of track members and to at least a portion of the corre-sponding vertical webs from which said corresponding flanges extend.
11. A track member according to claim 1 or 2 of integrally formed unitary construction.
12. In a track including a pair of trans-versely spaced track members adapted to vertically support the wheels of conveyor trolleys connected to a longitudinally extending conveyor chain, the improve-ment wherein each of the track members includes a first longitudinally extending trackway having a first vertical web and a first pair of longitudinal track surfaces extending transversely from the first ver-tical web in opposed vertically spaced relation;
a second longitudinally extending trackway is joined directly to the first trackway in vertically super-imposed oppositely facing relation, the second track-way including a second vertical web offset vertically and transversely with respect to the first vertical web, and a second pair of track surfaces extending transversely from the second vertical web in opposed vertically spaced relation; the lengths of the first and second webs being such that the track surfaces of said first trackway are usable with first conveyor trolleys having wheels of one diameter and the second track surfaces of said second trackway are usable with second conveyor trolleys having wheels of another diameter; and mounting means for supporting said pair of track members in a longitudinally parallel, transversely spaced relationship in which one of said first and second trackways of one of said track mem-bers faces the corresponding one of said first and second trackways of the other of said track members and in which the vertical webs of the other of said first and second trackways of said track members face each other, whereby said facing trackways form said track adapted to vertically support one of said first and second conveyor trolleys and said facing webs form a channel adapted to laterally enclose and contain said conveyor chain; said longitudinally parallel, transversely spaced relationship including any one of the following relationships:
a) said track is formed by said first trackways for said first conveyor trolleys, said channel is formed by the vertical webs of said second trackways, and said channel is disposed vertically below said track;
b) said track is formed by said second trackways for said second conveyor trolleys, said channel is formed by the vertical webs of said first trackways, and said channel is disposed vertically below said track;
c) said track is formed by said first trackways for said first conveyors trolleys, said channel is formed by the vertical webs of said second trackways, and said channel is disposed vertically above said track; and d) said track is formed by said second trackways for said second conveyor trolleys, said channel is formed by the vertical webs of said first trackways, and said channel is disposed vertically above said track.
a second longitudinally extending trackway is joined directly to the first trackway in vertically super-imposed oppositely facing relation, the second track-way including a second vertical web offset vertically and transversely with respect to the first vertical web, and a second pair of track surfaces extending transversely from the second vertical web in opposed vertically spaced relation; the lengths of the first and second webs being such that the track surfaces of said first trackway are usable with first conveyor trolleys having wheels of one diameter and the second track surfaces of said second trackway are usable with second conveyor trolleys having wheels of another diameter; and mounting means for supporting said pair of track members in a longitudinally parallel, transversely spaced relationship in which one of said first and second trackways of one of said track mem-bers faces the corresponding one of said first and second trackways of the other of said track members and in which the vertical webs of the other of said first and second trackways of said track members face each other, whereby said facing trackways form said track adapted to vertically support one of said first and second conveyor trolleys and said facing webs form a channel adapted to laterally enclose and contain said conveyor chain; said longitudinally parallel, transversely spaced relationship including any one of the following relationships:
a) said track is formed by said first trackways for said first conveyor trolleys, said channel is formed by the vertical webs of said second trackways, and said channel is disposed vertically below said track;
b) said track is formed by said second trackways for said second conveyor trolleys, said channel is formed by the vertical webs of said first trackways, and said channel is disposed vertically below said track;
c) said track is formed by said first trackways for said first conveyors trolleys, said channel is formed by the vertical webs of said second trackways, and said channel is disposed vertically above said track; and d) said track is formed by said second trackways for said second conveyor trolleys, said channel is formed by the vertical webs of said first trackways, and said channel is disposed vertically above said track.
13. In a track including a pair of trans-versely spaced track members adapted to vertically support the wheels of conveyer trolleys, the improve-ment wherein; each of the track members includes a first longitudinally extending trackway having a first vertical web and a first pair of longitudinal track surfaces extending transversely from the first vertical web in opposed vertically spaced relation; a second longitudinally extending trackway is joined directly to the first trackway in vertically super-imposed oppositely facing relation, the second track-way including a second vertical web offset vertically and transversely with respect to the first vertical web, and a second pair of track surfaces extending transversely from the second vertical web in opposed vertically spaced relation; the lengths of the first and second webs being such that the track surfaces of said first trackway are usable with first conveyor trolleys having wheels of one diameter and the second track surfaces of said second trackway are usable with second conveyor trolleys having wheels of another diameter; and mounting means for supporting said pair of track members in a longitudinally parallel, trans-versely spaced relationship in which one of said first and second trackways of one of said track members faces the corresponding one of said first and second trackways of the other of said track members and in which the vertical webs of the other of said first and second trackways of said track members face each other, whereby said facing trackways form said track adapted to vertically support one of said first and second conveyor trolleys; said longitudinally paral-lel, transversely spaced relationship including any one of the following relationships:
a) said track is formed by said first trackways for said first conveyor trolleys, and the vertical webs of said second trackways face each other and are disposed vertically below said track;
b) said track is formed by said second trackways for said second conveyor trolleys, and the vertical webs of said first trackways face each other and are disposed vertically below said track;
c) said track is formed by said first trackways for said first conveyor trolleys, and the vertical webs of said second trackways face each other and are disposed vertically above said track;
and d) said track is formed by said second trackways for said second conveyor trolleys, and the vertical webs of said first trackways face each other and are disposed vertically above said track.
a) said track is formed by said first trackways for said first conveyor trolleys, and the vertical webs of said second trackways face each other and are disposed vertically below said track;
b) said track is formed by said second trackways for said second conveyor trolleys, and the vertical webs of said first trackways face each other and are disposed vertically below said track;
c) said track is formed by said first trackways for said first conveyor trolleys, and the vertical webs of said second trackways face each other and are disposed vertically above said track;
and d) said track is formed by said second trackways for said second conveyor trolleys, and the vertical webs of said first trackways face each other and are disposed vertically above said track.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US34339282A | 1982-01-28 | 1982-01-28 | |
| US343,392 | 1982-01-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1205411A true CA1205411A (en) | 1986-06-03 |
Family
ID=23345939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000419797A Expired CA1205411A (en) | 1982-01-28 | 1983-01-19 | Track member and track for conveyor trolleys |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1205411A (en) |
-
1983
- 1983-01-19 CA CA000419797A patent/CA1205411A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |