TWI684425B - Multi-axial pot holder - Google Patents
Multi-axial pot holder Download PDFInfo
- Publication number
- TWI684425B TWI684425B TW108102156A TW108102156A TWI684425B TW I684425 B TWI684425 B TW I684425B TW 108102156 A TW108102156 A TW 108102156A TW 108102156 A TW108102156 A TW 108102156A TW I684425 B TWI684425 B TW I684425B
- Authority
- TW
- Taiwan
- Prior art keywords
- rod
- joint
- axial
- pot holder
- pivotally connected
- Prior art date
Links
Images
Landscapes
- Rehabilitation Tools (AREA)
- Handcart (AREA)
Abstract
一種多軸向鍋具夾持器,包括有一握持組件與一夾持組件,該握持組件具有一呈水平向的握桿、一固接於該握桿下方呈垂直向的主桿、一固接於該主桿下方的第一關節以及一對分別與該第一關節相樞接的懸拉臂,該夾持組件係具有一對分別與各該懸拉臂相樞接的滑塊、一與各該滑塊一併套接的限位塊、一對分別與各該滑塊相樞接的第二關節以及一對分別與各該第二關節相樞接的夾持臂,且各該第二關節的轉動軸向與該第一關節不同,利用不同軸向的配置,讓該夾持器產生多軸向的逆動性,進而讓受夾持的鍋具可維持在平衡狀態。A multi-axial pot holder includes a gripping component and a gripping component, the gripping component has a horizontal gripping rod, a vertical main rod fixed below the gripping rod, a A first joint fixed below the main rod and a pair of cantilever arms pivotally connected to the first joint respectively, the clamping assembly has a pair of sliders pivotally connected to the cantilever arms, A limit block sleeved together with each of the sliders, a pair of second joints respectively pivotally connected with the sliders, and a pair of clamping arms respectively pivotally connected with the second joints, and each The rotation axis of the second joint is different from that of the first joint, and the arrangement of different axes allows the gripper to produce multi-axial reaction, so that the clamped pot can be maintained in a balanced state.
Description
本發明是有關一種多軸向鍋具夾持器,係一用於夾取高溫鍋具、容器的輔佐工具,尤其利用多個不同軸向的關節作為連接,達到夾持穩定效果。The invention relates to a multi-axial cookware holder, which is an auxiliary tool for gripping high-temperature cookware and containers, in particular, a plurality of joints with different axial directions are used as a connection to achieve a stable clamping effect.
目前市面上的隔熱夾大多是以單手操作,透過手部施力來夾持鍋具,但這樣的結構操作相當仰賴手部施力的控制,一方面要維持平衡,來避免夾取的過程中熱湯撒出的情事發生,一方面要施力穩定夾取的力道,使得使用上的穩定度不高,無論是在一般住家或是餐廳使用,都易有意外發生。At present, most of the heat insulation clips on the market are operated by one hand, and the pot is clamped by the force applied by the hand, but such a structural operation relies on the control of the force applied by the hand. On the one hand, it is necessary to maintain balance to avoid clamping In the process of the hot soup sprinkling, on the one hand, it is necessary to apply force to stably grip the force, which makes the use of the stability is not high, whether it is used in ordinary homes or restaurants, it is prone to accidents.
而在餐廳,許多店家會利用推車來承放鍋具,在送到預定地點利用隔熱夾來將鍋具放置到預定位置,但推車運送過程會受到地形影響,使得熱湯撒出,不僅影響到餐點本身的品質,撒出的熱湯更有可能燙傷顧客及員工。In restaurants, many stores will use carts to hold pots, and use insulated clips to place pots at predetermined locations when they are sent to predetermined locations. However, the transportation process of carts will be affected by the terrain, making hot soup spill out. Affecting the quality of the meal itself, the hot soup sprinkled is more likely to scald customers and employees.
因此,設了具有多軸向關節的夾持器,可在夾取過程中維持鍋具的平衡,進一步減少在夾取過程中的晃動所導致熱湯撒出,因外,該夾持器更可與推車結合使用,如此一來,以推車的方式送餐,會比一般手持的方式更加安全也更加便利,如此為本發明之解決方案。Therefore, a holder with multi-axial joints is provided, which can maintain the balance of the pot during the gripping process, and further reduce the spread of hot soup caused by the shaking during the gripping process. It is used in combination with a cart. In this way, it is safer and more convenient to deliver meals in the way of a cart than the general hand-held mode. This is the solution of the present invention.
本發明之多軸向鍋具夾持器,包括有一握持組件與一夾持組件,該握持組件具有一呈水平向的握桿、一固接於該握桿下方呈垂直向的主桿、一固接於該主桿下方的第一關節以及一對分別與該第一關節相樞接的懸拉臂;該夾持組件係具有一對分別與各該懸拉臂相樞接的滑塊、一與各該滑塊一併套接的限位塊、一對分別與各該滑塊相樞接的第二關節以及一對分別與各該第二關節相樞接的夾持臂,且各該第二關節的轉動軸向與該第一關節不同。The multi-axial pot holder of the present invention includes a gripping component and a gripping component, the gripping component has a horizontal gripping rod and a vertical main rod fixed below the
藉之,該第二關節的轉動軸向與該第一關節設置為不同,利用不同軸向的配置,讓該夾持器產生多軸向的逆動性,進而讓受夾持的鍋具可維持在平衡狀態,且夾持器是利用向上提拉與鍋物重力的方式達成讓該夾持臂內縮夾取的動作,如物體越重夾持力會因重力而越夾越緊,顧及使用者安全,因此使用者不須再施加夾取的力道,使用上更為省力安全。By this, the rotation axis of the second joint is set to be different from that of the first joint, and the arrangement of different axes is used to allow the holder to produce multi-axial reaction, thereby allowing the clamped pot to be It is maintained in a balanced state, and the gripper uses the upward pull and the gravity of the pot to achieve the action of retracting the gripping arm. If the object is heavier, the gripping force will be tighter and tighter due to gravity. The user is safe, so the user does not need to apply clamping force, which is more labor-saving and safe to use.
更具體的說,該第一關節使用萬向接頭。More specifically, the first joint uses a universal joint.
更具體的說,該滑塊開設有一長槽以及在該限位塊內側設置有一行程控制塊,該行程控制塊係容置在該長槽內,進而可限制各該滑塊於該限位塊內滑動的行程距離。More specifically, the slider is provided with a long slot and a stroke control block is provided inside the limit block. The stroke control block is accommodated in the long slot, thereby restricting each slider to the limit block The travel distance of sliding inside.
更具體的說,該第二關節的轉動軸向係與該第一關節相互垂直。More specifically, the axis of rotation of the second joint is perpendicular to the first joint.
更具體的說,該握桿可固定於一承載車體上使用,該承載車體具有複數個相互組接的架桿,各該架桿之間並分別形成有一鏤空部,並在該架桿的最底部裝設有複數個車輪,而該握桿與該架桿上分別設置可相固定的一第一固定部與一第二固定部,該夾持器配合在承載車體上使用,利用懸掛的方式,可同時運載複數個已夾取鍋具的夾持器,在運送過程夾持器都是呈現夾取鍋具的狀態,移動至預定地點後,直接提取夾持器將鍋具置放到預定位置在鬆放即可,使用者不須再重複進行夾取的動作,因此,使用者可同時運送複數個鍋具,且省去重複夾取的動作,運用在餐廳服務上可大幅提升服務效率。More specifically, the grip bar can be fixed on a carrying vehicle body, and the carrying vehicle body has a plurality of rack bars connected to each other, and a hollow part is formed between each of the rack bars, and A plurality of wheels are installed at the bottom of the vehicle, and a first fixing portion and a second fixing portion that can be fixed are respectively arranged on the grip rod and the frame rod. The hanging method can carry a plurality of grippers that have gripped the pot at the same time. During the transportation process, the grippers are in the state of gripping the pot. After moving to the predetermined location, the gripper is directly extracted and the pot is placed. Just put it in a predetermined position and loosen it. The user does not need to repeat the gripping operation. Therefore, the user can transport multiple pots at the same time, and save the repeated gripping operation. Improve service efficiency.
更具體的說,該架桿向該鏤空部延伸有至少一支撐桿,而該第二固定部係形成在該支撐桿末端,藉此,該支撐桿用於固定長度較短的該握桿。More specifically, the support rod extends at least one support rod toward the hollow portion, and the second fixing portion is formed at the end of the support rod, whereby the support rod is used to fix the grip rod with a shorter length.
更具體的說,該限位塊側邊裝設有一輔助握把。More specifically, an auxiliary grip is installed on the side of the limit block.
有關於本發明其他技術內容、特點與功效,在以下配合參考圖式之較佳實施例的詳細說明中,將可清楚的呈現。Regarding other technical contents, features and effects of the present invention, it will be clearly presented in the following detailed description of the preferred embodiments with reference to the drawings.
請參閱第1圖,分別為本發明之多軸向鍋具夾持器的立體示意圖以及內部結構剖面示意圖,如圖中所示,至少包含一握持組件1與一夾持組件2;Please refer to FIG. 1, which is a three-dimensional schematic diagram and a cross-sectional schematic diagram of an internal structure of the multi-axial pot holder of the present invention, as shown in the figure, at least includes a
其中,該握持組件1具有一呈水平向的握桿11、一固接於該握桿11下方呈垂直向的主桿12、一固接於該主桿12下方的第一關節13以及一對分別與該第一關節13相樞接的懸拉臂14;The
其中,該夾持組件2具有一對分別與各該懸拉臂14相樞接的滑塊21、一與各該滑塊21一併套接的限位塊22、一對分別與各該滑塊21相樞接的第二關節23以及一對分別與各該第二關節23相樞接的夾持臂24,且各該第二關節23的轉動軸向與該第一關節13不同,在本實施例中,該第二關節23的轉動軸向係與該第一關節13相互垂直。Wherein, the
本發明之多軸向鍋具夾持器,請參閱第2~3圖,以下為該夾持器的操作說明,夾取時,預先將該夾持臂24置於一鍋具4的鍋緣41下側,當使用者在拿起該握桿11讓該主桿12上拉時,重心在下方可使得二個該懸拉臂14末端隨著各該滑塊21同時向縮,讓各該滑塊21慢慢地密合兼帶動各該第二關節23,進而使得各該夾持臂24內縮以達到將該鍋具4夾緊之作用,反之,鬆放時,當使用者在將該鍋具4放置與一預定位置(桌上或瓦斯爐)上時,因該握桿11與該主桿12的下降,便使得使各該滑塊21兼帶動各該第二關節23向外滑動,進而使得各該夾持臂24向外滑動以達到將該鍋具4鬆放之作用。For the multi-axial pot holder of the present invention, please refer to Figures 2~3. The following is the operation instruction of the holder. When clamping, the
請參閱第4圖,該滑塊21更進一步開設有一長槽211以及在該限位塊22內側設置有一行程控制塊221,該行程控制塊221係容置在該長槽211內,進而可限制各該滑塊21於該限位塊22內滑動的行程距離,避免滑出該限位塊22內。Please refer to FIG. 4, the
請參閱第5圖,本發明之多軸向鍋具夾持器,係可配合一承載車體3使用,在此實施例中,而所述之承載車體3具有複數個相互組接的架桿31,各該架桿31之間並分別形成有一鏤空部32,並在該架桿31的最底部裝設有複數個車輪33,而該握桿11與該架桿31上分別更進一步的設置可相固定的一第一固定部111與一第二固定部311,在本實施例中,該第一固定部111與該第二固定部311係設計為凹凸結構,藉此,使用者可夾持該鍋具4並透過該固定部111可將該握持組件1固定在該承載車體3上,並讓該夾持組件2與該鍋具4下放懸空於該鏤空部32中,進而讓該夾持組件2維持在夾取該鍋具4之狀態,而該架桿31上可同時架設複數個該握持組件1,因此,可透過該承載車體3推送該鍋具4,提升輸送的效率。Please refer to FIG. 5, the multi-axial pot holder of the present invention can be used in conjunction with a
本發明所提供之多軸向鍋具夾持器,請參閱第6圖,為另一實施例,該第一關節13可使用萬向接頭。For the multi-axial pot holder provided by the present invention, please refer to FIG. 6, which is another embodiment. The
本發明所提供之多軸向鍋具夾持器,請參閱第7圖,在該限位塊22側邊可另裝設一輔助握把5,該輔助握把5用於輔助將夾取的鍋具進行鬆放,請參閱第7~9圖,主要係在鬆放時,當使用者在將該鍋具4放置與一預定位置(桌上或瓦斯爐)上時,將該握桿11與該主桿12透過該第二關節23轉向側邊,令該輔助握把5得以轉至上方,使用者一手可接握該輔助握把5,另一手由側邊操作該握桿11與該主桿12向內壓,使得使各該滑塊21兼帶動各該第二關節23向外滑動,進而使得各該夾持臂24向外滑動以達到將該鍋具4鬆放之作用,此一輔助握把5可讓使用者操作更為順手。For the multi-axial pot holder provided by the present invention, please refer to FIG. 7, an
所提供之多軸向鍋具夾持器,請參閱第10圖,在本實施例中,該握桿11長度較短,因此,在所搭配的該承載車體3上(圖示僅顯示局部的車體),各該架桿31向該鏤空部32延伸有至少一支撐桿312,而該第二固定部311係可形成在該支撐桿312末端,藉此,較短的該握桿11可固定在該支撐桿312上。For the provided multi-axial pot holder, please refer to FIG. 10, in this embodiment, the length of the
本發明所提供之多軸向鍋具夾持器,與其他習用技術相互比較時,其優點在於: 1、該第二關節的轉動軸向與該第一關節設置為不同,利用不同軸向的配置,讓該夾持器產生多軸向的逆動性,進而讓受夾持的鍋具可在90∘以下的傾斜地形維持在平衡狀態; 2、夾持器是利用向上提拉與鍋物重力的方式達成讓該夾持臂內縮夾取的動作,如物體越重夾持力會因重力而越夾越緊,相當顧及使用者安全,因此,使用者不須再施加夾取的力道,使用上更為省力安全; 3、該夾持器,可配合在承載車體上使用,利用懸掛的方式,可同時運載複數個已夾取鍋具的夾持器,在運送過程夾持器都是呈現夾取鍋具的狀態,移動至預定地點後,直接提取夾持器將鍋具置放到預定位置在鬆放即可,使用者不須再重複進行夾取的動作,因此,使用者可同時運送複數個鍋具,且省去重複夾取的動作,運用在餐廳服務上可大幅提升服務效率。When compared with other conventional technologies, the multi-axial pot holder provided by the present invention has the following advantages: 1. The rotation axis of the second joint is different from that of the first joint, using different axial Configuration, so that the holder can produce multi-axial reaction, so that the clamped pot can be maintained in a balanced state under the inclined terrain of 90∘; 2. The holder uses the upward pull and the gravity of the pot The way to achieve the action of making the clamping arm retract, such as the heavier the object, the clamping force will be clamped and tightened due to gravity, taking into account the safety of the user, so the user does not need to apply the clamping force, It is more labor-saving and safe to use; 3. The gripper can be used in conjunction with the carrying body. By means of suspension, it can simultaneously carry a plurality of grippers that have taken the pot. During the transportation process, the grippers are all It is showing the state of gripping the pot. After moving to the predetermined location, directly extract the gripper and place the pot to the predetermined position and release it. The user does not need to repeat the gripping action. Therefore, the user Multiple pans can be transported at the same time, and the action of repeated clamping is eliminated, which can greatly improve the service efficiency when used in restaurant services.
本發明已透過上述之實施例揭露如上,僅是本發明部分較佳的實施例選擇,然其並非用以限定本發明,任何熟悉此一技術領域具有通常知識者,在瞭解本發明前述的技術特徵及實施例,並在不脫離本發明之精神和範圍內所做的均等變化或潤飾,仍屬本發明涵蓋之範圍,而本發明之專利保護範圍須視本說明書所附之請求項所界定者為準。The present invention has been disclosed through the above-mentioned embodiments as above, and is only a selection of some preferred embodiments of the present invention, but it is not intended to limit the present invention. Anyone who is familiar with this technical field and has ordinary knowledge in the field understands the aforementioned technology of the present invention Features and embodiments, and equivalent changes or modifications made without departing from the spirit and scope of the present invention, still fall within the scope of the present invention, and the scope of patent protection of the present invention shall be defined by the claims attached to this specification Whichever prevails.
14‧‧‧懸拉臂 14‧‧‧Cantilever
2‧‧‧夾持組件 2‧‧‧Clamping components
21‧‧‧滑塊 21‧‧‧slider
211‧‧‧長槽 211‧‧‧Long slot
22‧‧‧限位塊 22‧‧‧Limit block
221‧‧‧行程控制塊 221‧‧‧Stroke control block
23‧‧‧第二關節 23‧‧‧Second Joint
24‧‧‧夾持臂 24‧‧‧Clamping arm
3‧‧‧承載車體 3‧‧‧Carrying body
31‧‧‧架桿 31‧‧‧ pole
311‧‧‧第二固定部 311‧‧‧Second fixed part
312‧‧‧支撐桿 312‧‧‧support rod
32‧‧‧鏤空部 32‧‧‧ Hollow Department
33‧‧‧車輪 33‧‧‧wheel
4‧‧‧鍋具 4‧‧‧pot
41‧‧‧鍋緣 41‧‧‧Guoyuan
5‧‧‧輔助握把 5‧‧‧ auxiliary grip
[第1圖]係本發明夾持器之立體示意圖。 [第2圖]係本發明夾持器之實施夾取平面示意圖。 [第3圖]係本發明夾持器之實施鬆放平面示意圖。 [第4圖]係本發明夾持器之局部剖面示意圖。 [第5圖]係本發明夾持器搭配承載車體之結構平面示意圖。 [第6圖]係本發明夾持器之另一立體示意圖。 [第7圖]係本發明夾持器之增設輔助握桿立體示意圖。 [第8圖]係本發明夾持器之增設輔助握桿操作使用示意圖。 [第9圖]係本發明夾持器之增設輔助握桿操作使用示意圖。 [第10圖]係本發明夾持器搭配承載車體之另一局部立體示意圖。[Figure 1] is a perspective schematic view of the holder of the present invention. [Figure 2] This is a schematic plan view of the gripper of the present invention. [Figure 3] It is a schematic plan view of the loosening of the holder of the present invention. [Fig. 4] It is a partial cross-sectional schematic view of the holder of the present invention. [Figure 5] This is a schematic plan view of the structure of the holder of the present invention with a carrying vehicle body. [Figure 6] is another schematic perspective view of the holder of the present invention. [Figure 7] It is a perspective schematic view of the auxiliary grip added by the holder of the present invention. [Figure 8] This is a schematic diagram of the operation of the auxiliary gripping lever of the present invention. [Figure 9] This is a schematic view of the operation of the additional auxiliary grip of the gripper of the present invention. [Fig. 10] It is another partial schematic perspective view of the holder of the present invention with a carrying vehicle body.
1‧‧‧握持組件 1‧‧‧ Grip assembly
11‧‧‧握把 11‧‧‧grip
12‧‧‧主桿 12‧‧‧Main pole
13‧‧‧第一關節 13‧‧‧The first joint
14‧‧‧懸拉臂 14‧‧‧Cantilever
2‧‧‧夾持組件 2‧‧‧Clamping components
21‧‧‧滑塊 21‧‧‧slider
22‧‧‧限位塊 22‧‧‧Limit block
23‧‧‧第二關節 23‧‧‧Second Joint
24‧‧‧夾持臂 24‧‧‧Clamping arm
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW108102156A TWI684425B (en) | 2019-01-19 | 2019-01-19 | Multi-axial pot holder |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW108102156A TWI684425B (en) | 2019-01-19 | 2019-01-19 | Multi-axial pot holder |
Publications (2)
Publication Number | Publication Date |
---|---|
TWI684425B true TWI684425B (en) | 2020-02-11 |
TW202027667A TW202027667A (en) | 2020-08-01 |
Family
ID=70413438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW108102156A TWI684425B (en) | 2019-01-19 | 2019-01-19 | Multi-axial pot holder |
Country Status (1)
Country | Link |
---|---|
TW (1) | TWI684425B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI731808B (en) * | 2020-10-19 | 2021-06-21 | 宏國學校財團法人宏國德霖科技大學 | Grip-type anti-scalding clip |
CN114985170A (en) * | 2022-08-04 | 2022-09-02 | 诸城市迪瑞汽车科技有限公司 | Auxiliary clamping device for manufacturing car lamp reflector |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWM447194U (en) * | 2012-09-21 | 2013-02-21 | Univ Far East | Pot-clip for preventing soup spill out |
JP3184638U (en) * | 2013-02-15 | 2013-07-11 | 薫 小野寺 | Pot for the oven with X-type handle |
TWI522075B (en) * | 2012-01-19 | 2016-02-21 | Xinyu Liu | Gripping and dumping mechanism and cooking material delivery system and delivery method |
TWM579948U (en) * | 2019-01-19 | 2019-07-01 | 張祐榮 | Multi-axial pot holder |
-
2019
- 2019-01-19 TW TW108102156A patent/TWI684425B/en not_active IP Right Cessation
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI522075B (en) * | 2012-01-19 | 2016-02-21 | Xinyu Liu | Gripping and dumping mechanism and cooking material delivery system and delivery method |
TWM447194U (en) * | 2012-09-21 | 2013-02-21 | Univ Far East | Pot-clip for preventing soup spill out |
JP3184638U (en) * | 2013-02-15 | 2013-07-11 | 薫 小野寺 | Pot for the oven with X-type handle |
TWM579948U (en) * | 2019-01-19 | 2019-07-01 | 張祐榮 | Multi-axial pot holder |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI731808B (en) * | 2020-10-19 | 2021-06-21 | 宏國學校財團法人宏國德霖科技大學 | Grip-type anti-scalding clip |
CN114985170A (en) * | 2022-08-04 | 2022-09-02 | 诸城市迪瑞汽车科技有限公司 | Auxiliary clamping device for manufacturing car lamp reflector |
CN114985170B (en) * | 2022-08-04 | 2022-11-15 | 诸城市迪瑞汽车科技有限公司 | Auxiliary clamping device for manufacturing car lamp reflector |
Also Published As
Publication number | Publication date |
---|---|
TW202027667A (en) | 2020-08-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TWI684425B (en) | Multi-axial pot holder | |
SE456667B (en) | WAGON BEFORE HANDLING OF WASHING GOODS | |
US10507499B2 (en) | System for facilitating the transportation of hangers | |
TWM579948U (en) | Multi-axial pot holder | |
US20190174964A1 (en) | Pot gripper and cooking system comprising the pot gripper and a pot | |
CN104586339A (en) | Dish-washing machine shelf and dish-washing machine | |
CN105058260B (en) | Crucible clamping device with supporting frame | |
TWI274696B (en) | Hanging manufacture method for bicycle frame made of composite material and its tool | |
CN107472303B (en) | A kind of transport operating method of ox head vehicle | |
CN109968308A (en) | A kind of terminal-collecting machine placement bracket | |
CN214107553U (en) | Hanging tool beneficial to powder spraying | |
KR20140128644A (en) | Lifting jig | |
CN204519544U (en) | A kind of upper of a shoe heating station | |
US3023043A (en) | Pie and casserole lifter | |
US2425146A (en) | Collapsible clothing hanger | |
CN215016072U (en) | Oil filtering type pan with adjustable handle | |
CN207209376U (en) | A kind of rectangle section of jurisdiction Horizontal clamp | |
CN212150779U (en) | Cavity glass processing is with carrying rack | |
US2547844A (en) | Dish holder and stand | |
CN215992580U (en) | Dual-purpose hanging rack for baking and boiling poultry | |
CN216634443U (en) | Manipulator with clamping structure | |
CN207209768U (en) | A kind of vertical suspender in rectangle section of jurisdiction | |
CN209235826U (en) | Combined-type portable picnic hanger and picnic component | |
TWI775660B (en) | Anti-scald and anti-vapour container clamping device | |
CN218711613U (en) | H-shaped clothes hanger |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |